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Next step in Monachacantiana (Montagu, 1803) phylogeography: northern French and Dutch populations (Eupulmonata, Stylommatophora, Hygromiidae). Zookeys 2024; 1198:55-86. [PMID: 38693970 PMCID: PMC11061557 DOI: 10.3897/zookeys.1198.119738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Accepted: 03/18/2024] [Indexed: 05/03/2024] Open
Abstract
Features of shell and genitalia as well as nucleotide sequences of selected mitochondrial and nuclear genes of specimens of Monachacantiana from ten northern French and two Dutch populations were compared with the same features of British and Italian populations. They were found to be very similar to populations previously identified as belonging to the CAN-1 lineage of M.cantiana. This confirms previous suggestions that M.cantiana was introduced to western Europe (England, France and the Netherlands) in historical times.
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Sox21b underlies the rapid diversification of a novel male genital structure between Drosophila species. Curr Biol 2024; 34:1114-1121.e7. [PMID: 38309269 DOI: 10.1016/j.cub.2024.01.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 12/02/2023] [Accepted: 01/08/2024] [Indexed: 02/05/2024]
Abstract
The emergence and diversification of morphological novelties is a major feature of animal evolution.1,2,3,4,5,6,7,8,9 However, relatively little is known about the genetic basis of the evolution of novel structures and the mechanisms underlying their diversification. The epandrial posterior lobes of male genitalia are a novelty of particular Drosophila species.10,11,12,13 The lobes grasp the female ovipositor and insert between her abdominal tergites and, therefore, are important for copulation and species recognition.10,11,12,14,15,16,17 The posterior lobes likely evolved from co-option of a Hox-regulated gene network from the posterior spiracles10 and have since diversified in morphology in the D. simulans clade, in particular, over the last 240,000 years, driven by sexual selection.18,19,20,21 The genetic basis of this diversification is polygenic but, to the best of our knowledge, none of the causative genes have been identified.22,23,24,25,26,27,28,29,30 Identifying the genes underlying the diversification of these secondary sexual structures is essential to understanding the evolutionary impact on copulation and species recognition. Here, we show that Sox21b negatively regulates posterior lobe size. This is consistent with expanded Sox21b expression in D. mauritiana, which develops smaller posterior lobes than D. simulans. We tested this by generating reciprocal hemizygotes and confirmed that changes in Sox21b underlie posterior lobe evolution between these species. Furthermore, we found that posterior lobe size differences caused by the species-specific allele of Sox21b significantly affect copulation duration. Taken together, our study reveals the genetic basis for the sexual-selection-driven diversification of a novel morphological structure and its functional impact on copulatory behavior.
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The Global Issue of Female Genital Mutilation. J Pediatr 2024; 266:113906. [PMID: 38211724 DOI: 10.1016/j.jpeds.2024.113906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Accepted: 01/05/2024] [Indexed: 01/13/2024]
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Two new species of the hyperdiverse geometrid moth genus Eois (Lepidoptera, Geometridae, Larentiinae) from Ecuador, with descriptions of early stages. Zookeys 2024; 1192:111-140. [PMID: 38425443 PMCID: PMC10902787 DOI: 10.3897/zookeys.1192.111275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 01/04/2024] [Indexed: 03/02/2024] Open
Abstract
The hyperdiverse geometrid genus Eois Hübner, estimated to encompass more than 1,000 species, is among the most species-rich genera in all of Lepidoptera. While the genus has attracted considerable attention from ecologists and evolutionary biologists in recent decades, limited progress has been made on its alpha taxonomy. This contribution focuses on the Olivacea clade, whose monophyly has been recognized previously through molecular analyses. We attempt to define the clade from a morphological perspective and recognize the following species based on morphology and genomic data: E.olivacea (Felder & Rogenhofer); E.pseudolivacea Doan, sp. nov.; E.auruda (Dognin), stat. rev.; E.beebei (Fletcher, 1952), stat. rev.; E.boliviensis (Dognin), stat. rev.; and E.parumsimii Doan, sp. nov. Descriptions and illustrations of the immature stages of E.pseudolivacea reared from Piper (Piperaceae) in Ecuador are provided.
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Penile melanoma diagnosis aided by in vivo confocal microscopy. JAAD Case Rep 2024; 44:30-33. [PMID: 38292567 PMCID: PMC10824698 DOI: 10.1016/j.jdcr.2023.07.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2024] Open
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Rapid divergent evolution of internal female genitalia and the coevolution of male genital morphology revealed by micro-computed tomography. Proc Biol Sci 2024; 291:20232883. [PMID: 38290544 PMCID: PMC10827428 DOI: 10.1098/rspb.2023.2883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 01/08/2024] [Indexed: 02/01/2024] Open
Abstract
Animal genitalia are thought to evolve rapidly and divergently in response to sexual selection. Studies of genital evolution have focused largely on male genitalia. The paucity of work on female genital morphology is probably due to problems faced in quantifying shape variation, due to their composition and accessibility. Here we use a combination of micro-computed tomography, landmark free shape quantification and phylogenetic analysis to quantify the rate of female genital shape evolution among 29 species of Antichiropus millipedes, and their coevolution with male genitalia. We found significant variation in female and male genital shape among species. Male genital shape showed a stronger phylogenetic signal than female genital shape, although the phylogenetic signal effect sizes did not differ significantly. Male genital shape was found to be evolving 1.2 times faster than female genital shape. Female and male genital shape exhibited strong correlated evolution, indicating that genital shape changes in one sex are associated with corresponding changes in the genital shape of the other sex. This study adds novel insight into our growing understanding of how female genitalia can evolve rapidly and divergently, and highlights the advantages of three-dimensional techniques and multivariate analyses in studies of female genital evolution.
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Isolation and investigation of external reproduction tract mycoflora in healthy male cats. Vet Med Sci 2024; 10:e31351. [PMID: 38227711 PMCID: PMC10790507 DOI: 10.1002/vms3.1351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 10/13/2023] [Accepted: 12/10/2023] [Indexed: 01/18/2024] Open
Abstract
BACKGROUND Various infectious agents can infect the male reproductive system. OBJECTIVES The aims of this study were to provide current data on fungal and yeast flora of the external organs of reproductive system of male short hair cats including penis and prepuce. METHODS In total 28 samples were taken from external genital system of male stray cats using sterilised cotton swabs. Samples were taken based on the absence of any reproductive complications using physical examinations. The samples were transferred to sterilised Stuart transport media and were then incubated in the Sabouraud dextrose agar with chloramphenicol at 32°C for 48 h. The identification of fungi and yeasts was confirmed by germ tube formation test, CHROM agar, urease testing and Corn meal agar medium with Tween 80. RESULTS Fungal agents were isolated from 7 (25%) out of 28 male stray cats. Fungal isolates were obtained from the penis and prepuce of 4 (36%) and 7 (100%) male cats, respectively. The most commonly recovered species samples were Candida krusei (3.75%) and Penicillum spp. (6.86%) from the penis and prepuce of the cats, respectively. The external organs of male reproduction of cats were infected with 2-4 different fungal agents. Only 5 (45%) cats were infected with one fungus; however, in 6 (55%) cats, mixed fungal infections were isolated. Cats 3-4 years old had the highest fungal contamination in the prepuce region (4/7), while the penis at this age had the least contamination (1/4). CONCLUSIONS It is concluded that the external reproduction organs of male cats could be infected by different fungal agents.
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Nonsexual Acute Genital Ulcerations as a Rare Presentation of Disseminated Lyme Disease in a Pediatric Patient. J Pediatr Adolesc Gynecol 2023:S1083-3188(23)00454-0. [PMID: 38113972 DOI: 10.1016/j.jpag.2023.12.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 12/01/2023] [Accepted: 12/12/2023] [Indexed: 12/21/2023]
Abstract
Nonsexual acute genital ulcerations (NAGU), also known as Lipschütz ulcers, are vulvar ulcers occurring predominantly in adolescent females. While the pathogenesis is unknown, NAGU are commonly associated with systemic infections. Here we present a female child with NAGU along with disseminated Lyme disease. We believe this is the first reported pediatric case of this phenomenon.
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Graphidessajinfoensis, a new species of longhorned beetle (Coleoptera, Cerambycidae, Lamiinae, Desmiphorini) from China. Zookeys 2023; 1186:15-24. [PMID: 38107660 PMCID: PMC10724863 DOI: 10.3897/zookeys.1186.112377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 11/14/2023] [Indexed: 12/19/2023] Open
Abstract
Graphidessajinfoensissp. nov. is described from Chongqing and Guizhou in Southwest China. The diagnostic morphological characters of the new species are described and illustrated in color plates. The distribution of all species of the genus Graphidessa Bates, 1884 is mapped and the key to all species of this genus is updated. The COI gene sequence of the new species is also provided.
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Sitafloxacin- Versus Moxifloxacin-Based Sequential Treatment for Mycoplasma Genitalium Infections: Protocol for a Multicenter, Open-Label Randomized Controlled Trial. JMIR Res Protoc 2023; 12:e52565. [PMID: 37962941 PMCID: PMC10685287 DOI: 10.2196/52565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 10/16/2023] [Accepted: 10/24/2023] [Indexed: 11/15/2023] Open
Abstract
BACKGROUND Mycoplasma genitalium is an emerging sexually transmitted pathogen associated with increasing antibiotic resistance. The current treatment guidelines recommend moxifloxacin-sequential therapy for macrolide-resistant Mgenitalium or strains with unknown resistance profiles. However, it is unclear whether sitafloxacin, a 4th-generation fluoroquinolone antibiotic, is effective against resistant strains. OBJECTIVE This study aims to assess and compare the efficacy and safety of sitafloxacin- and moxifloxacin-based treatment regimens for managing Mgenitalium infections. METHODS We will conduct this randomized controlled trial at multiple centers in Japan. Eligible participants include adults aged 18 years or older with a confirmed Mgenitalium infection, as determined through the nucleic acid amplification test. Patients will be randomly assigned using a stratified approach based on the treatment facility and infection site. The interventions comprise oral sitafloxacin (200 mg) daily for 7 days (with optional pretreatment of oral doxycycline, 200 mg, daily for up to 7 days), with a control group receiving oral doxycycline (200 mg) daily for 7 days followed by moxifloxacin (400 mg) daily for another 7 days. The primary outcome is the treatment success rate with a superiority margin of 10%, as confirmed through the nucleic acid amplification test. Secondary outcomes encompass changes in the bacterial load at the urogenital or rectal sites and the emergence of posttreatment-resistant mutant strains. RESULTS Enrollment commenced in June 2023 and will conclude in December 2024, with findings anticipated by 2025. The expected success rates fall within the range of 80% for sitafloxacin and 42% for moxifloxacin against Mgenitalium carrying the G248T (S83I) mutation, based on previous studies. Accordingly, with a 5% significance level (2-sided) and 80% statistical power, we aim to recruit 50 participants per group, factoring in a 10% expected dropout rate. CONCLUSIONS This study will provide valuable insights into the efficacy and safety of sitafloxacin- versus moxifloxacin-based sequential therapy in treating Mgenitalium infections. These findings have the potential to influence clinical guidelines, favoring more effective therapeutic choices. The multicenter approach enhances the robustness of this study. However, a limitation is the potential insufficiency of statistical power to detect posttreatment-resistant mutant strains in each group, rendering posttreatment-resistance mutations a notable concern. In the future, we may need to increase the sample size to enhance power. TRIAL REGISTRATION Japan Registry of Clinical Trials (jRCTs031230111); https://jrct.niph.go.jp/en-latest-detail/jRCTs031230111. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID) DERR1-10.2196/52565.
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Ultrasonographic appearance and histopathological findings of the genital tract in healthy nulliparous female rabbits (Oryctolagus cuniculus). Vet Radiol Ultrasound 2023; 64:1071-1080. [PMID: 37667999 DOI: 10.1111/vru.13296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 08/11/2023] [Accepted: 08/13/2023] [Indexed: 09/06/2023] Open
Abstract
Female rabbits often exhibit reproductive tract disorders and accurate sonographic descriptions of the normal genital tract are lacking. The aims of our prospective, analytical, and reference interval study were to describe the ultrasonographic appearance of the genital tract of healthy female rabbits, provide reference values, and compare ultrasonographic findings with histopathological samples. Twenty-eight intact female rabbits presented for elective ovariohysterectomy were included. Ovaries, oviducts, uterine horns, cervixes, and vagina were imaged by ultrasound to assess their size, shape, location, margination, echogenicity, and echotexture. The genital tract of 12 rabbits was sent for histopathology. Genitals were visible in all rabbits using the linear probe. The ovaries were oval-shaped and hypoechoic with a variable pattern. The oviducts, uterine horns, and vagina appeared as tubular structures with a consistent distinct layering, and the cervix as two contiguous hypoechoic tubular structures with a variable layering. Incidental findings, including paraovarian cysts, mineralization foci, and luminal fluid were observed. The median values of the height of the left and right ovaries, oviducts, uterine horns, cervixes, and vagina were, respectively, equal to 3.52 3.37, 1.39, 1.39, 4.34, 4.36, 5.57, 5.15, and 2.40 mm. Significant correlations were observed among age, body condition score, and some of the measurements. Abnormalities of the reproductive tract were reported in 4 of 28 rabbits. This study supports the use of ultrasonography in the evaluation of the reproductive tract of healthy female rabbits and provides reference values for use in rabbits with genital disorders.
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Copulatory mechanics of ghost spiders reveals a new self-bracing mechanism in entelegyne spiders. Ecol Evol 2023; 13:e10582. [PMID: 37799446 PMCID: PMC10547672 DOI: 10.1002/ece3.10582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 09/07/2023] [Accepted: 09/21/2023] [Indexed: 10/07/2023] Open
Abstract
Spiders evolved a distinctive sperm transfer system, with the male copulatory organs located on the tarsus of the pedipalps. In entelegyne spiders, these organs are usually very complex and consist of various sclerites that not only allow the transfer of the sperm themselves but also provide a mechanical interlock between the male and female genitalia. This interlocking can also involve elements that are not part of the copulatory organ such as the retrolateral tibial apophysis (RTA)-a characteristic of the most diverse group of spiders (RTA clade). The RTA is frequently used for primary locking i.e., the first mechanical engagement between male and female genitalia. Despite its functional importance, some diverse spider lineages have lost the RTA, but evolved an apophysis on the femur instead. It can be hypothesized that this femoral apophysis is a functional surrogate of the RTA during primary locking or possibly serves another function, such as self-bracing, which involves mechanical interaction between male genital structures themselves to stabilize the inserted pedipalp. We tested these hypotheses using ghost spiders of the genus Josa (Anyphaenidae). Our micro-computed tomography data of cryofixed mating pairs show that the primary locking occurs through elements of the copulatory organ itself and that the femoral apophysis does not contact the female genitalia, but hooks to a projection of the copulatory bulb, representing a newly documented self-bracing mechanism for entelegyne spiders. Additionally, we show that the femoral self-bracing apophysis is rather uniform within the genus Josa. This is in contrast to the male genital structures that interact with the female, indicating that the male genital structures of Josa are subject to different selective regimes.
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Comparative effectiveness of biologics for patients with moderate-to-severe psoriasis and special area involvement: week 12 results from the observational Psoriasis Study of Health Outcomes (PSoHO). Front Med (Lausanne) 2023; 10:1185523. [PMID: 37457564 PMCID: PMC10339811 DOI: 10.3389/fmed.2023.1185523] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 05/31/2023] [Indexed: 07/18/2023] Open
Abstract
Introduction Psoriasis localized at the scalp, face, nails, genitalia, palms, and soles can exacerbate the disease burden. Real-world studies comparing the effectiveness of treatments for these special areas are limited. Methods Psoriasis Study of Health Outcomes (PSoHO) is an international, prospective, non-interventional, study comparing the effectiveness of anti-interleukin (IL)-17A biologics (ixekizumab and secukinumab) compared to other approved biologics and the pairwise comparative effectiveness of ixekizumab relative to five other individual biologics for patients with moderate-to-severe psoriasis. To determine special area involvement, physicians answered binary questions at baseline and week 12. The proportion of patients who achieved special area clearance at week 12 was assessed. Missing outcome data were imputed as non-response. Comparative treatment analyses were conducted using frequentist model averaging. Results Of the 1,978 patients included, 83.4% had at least one special area involved at baseline with the scalp (66.7%) as the most frequently affected part, followed by nails (37.9%), face/neck (36.9%), genitalia (25.6%), and palms and/or soles (22.2%). Patients with scalp, nail, or genital, but not palmoplantar or face/neck psoriasis, had significantly higher odds of achieving clearance at week 12 in the anti-IL-17A cohort compared to the other biologics cohort. Patients with scalp psoriasis had a 10-20% higher response rate and significantly greater odds (1.8-2.3) of achieving clearance at week 12 with ixekizumab compared to included biologics. Conclusion Biologics demonstrate a high level of clearance of special areas at week 12 in a real-world setting. Patients with scalp, nail, or genital involvement have significantly higher odds of clearance at week 12 with anti-IL-17A biologics compared to other biologics.
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Review of Kissing Bugs (Hemiptera: Reduviidae: Triatominae) from China with Descriptions of Two New Species. INSECTS 2023; 14:insects14050450. [PMID: 37233078 DOI: 10.3390/insects14050450] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 05/05/2023] [Accepted: 05/07/2023] [Indexed: 05/27/2023]
Abstract
Triatominae, the only blood-sucking subfamily in Reduviidae, are the vectors of Chagas disease. The majority of them are distributed in the Americas, while the diversity in China has been underestimated, as only two species have been recorded. Here, we describe two new species from China, Triatoma picta Zhao & Cai sp. nov. and T. atrata Zhao & Cai sp. nov., and provide a redescription of T. sinica Hsiao, 1965, along with remarks on T. rubrofasciata (De Geer, 1773). To facilitate the identification, we include photos, especially of genitalia, as well as a distribution map and a key to Chinese triatomines. We calculated the pairwise genetic distances between 23 Triatoma species, which further supported the validity of these new species. We anticipate that our taxonomic review will be useful for identifying Chinese Triatominae.
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Revision of the genus Atholus Thomson, 1859 (Coleoptera, Histeridae, Histerinae) from the Philippines with additional records. Zookeys 2023; 1158:1-26. [PMID: 37215697 PMCID: PMC10193451 DOI: 10.3897/zookeys.1158.100518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 03/12/2023] [Indexed: 05/24/2023] Open
Abstract
The Philippine species of the genus Atholus Thomson, 1859 are revised and re-examined based on museum as well as freshly collected specimens. Atholustorquatus (Marseul, 1854) is re-described, and SEM micrographs and illustrations of both male and female genitalia are provided. Atholusbakeri (Bickhardt, 1914) and Atholusnitidissimus Desbordes, 1925 are also re-described based on images of syntypes. Atholuspirithous (Marseul, 1873) and A.torquatus (Marseul, 1854) are new to the Philippine archipelago. Atholuscoelestis (Marseul, 1857) and A.philippinensis (Marseul, 1854) are provided with diagnostic descriptions and images. A key to the Philippine species is provided.
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DNA Barcoding of the Palaearctic Elfin Butterflies (Lepidoptera, Lycaenidae) with a Description of Four New Species from Vietnam. INSECTS 2023; 14:352. [PMID: 37103167 PMCID: PMC10141035 DOI: 10.3390/insects14040352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/29/2023] [Accepted: 03/31/2023] [Indexed: 06/19/2023]
Abstract
Phylogenetic analysis is provided for the first time for 12 species of Palaearctic elfin butterflies, members of the previously recognized genera Ahlbergia Bryk, 1947, Cissatsuma Johnson, 1992, and Novosatsuma Johnson, 1992, based on the barcoding region of the mitochondrial cytochrome C oxidase subunit I gene (COI). Comparison of the COI barcodes revealed very low levels of genetic divergence between the species of the Palaearctic elfin butterflies and Callophrys Billberg, 1820 sensu stricto. COI-based phylogeny revealed that Palaearctic Callophrys and the Palaearctic elfin butterflies, except Cissatsuma, are polyphyletic. Four new sympatric species, namely, Callophrys (Ahlbergia) hmong sp. n., C. (A.) tay sp. n., Callophrys (Cissatsuma) devyatkini sp. n. and C. (A.) dao sp. n. are described from Ha Giang Province, North Vietnam, based on wing colouration, the morphologies of the male and female genitalia, and differences in COI sequences. Discovery of the new species expands the distribution range of the group towards the southeast, beyond the Palaearctic region.
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Baculum shape complexity correlates to metrics of post-copulatory sexual selection in Musteloidea. J Morphol 2023; 284:e21572. [PMID: 36806148 PMCID: PMC10952176 DOI: 10.1002/jmor.21572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 02/14/2023] [Accepted: 02/18/2023] [Indexed: 02/22/2023]
Abstract
The penis bone, or baculum, is present in many orders of mammals, although its function is still relatively unknown, mainly due to the challenges with studying the baculum in vivo. Suggested functions include increasing vaginal friction, prolonging intromission and inducing ovulation. Since it is difficult to study baculum function directly, functional morphology can give important insights. Shape complexity techniques, in particular, are likely to offer a useful metric of baculum morphology, especially since finding homologous landmarks on such a structure is challenging. This study focuses on measuring baculum shape complexity in the Musteloidea-a large superfamily spanning a range of body sizes with well-developed, qualitatively diverse bacula. We compared two shape complexity metrics-alpha shapes and ariaDNE and conducted analyses over a range of six different coefficients, or bandwidths, in 32 species of Musteloidea. Overall, we found that shape complexity, especially at the baculum distal tip, is associated with intromission duration using both metrics. These complexities can include hooks, bifurcations and other additional projections. In addition, alpha shapes complexity was also associated with relative testes mass. These results suggest that post-copulatory mechanisms of sexual selection are probably driving the evolution of more complex-shaped bacula tips in Musteloidea and are likely to be especially involved in increasing intromission duration during copulation.
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A Contemporary Analysis of Combat-Related Urological Injuries: Data From the Department of Defense Joint Trauma System Data Registry. J Urol 2023; 209:1159-1166. [PMID: 36883857 DOI: 10.1097/ju.0000000000003392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
Abstract
PURPOSE There has been little to no literature published on combat-related genitourinary injuries beyond 2013. With the goal of enhancing medical readiness prior to deployment and making recommendations to improve the long-term rehabilitation of service members as they become civilians, we sought to describe the incidence of combat-related genitourinary injuries and interventions from January 01, 2007, to March 17, 2020. MATERIALS AND METHODS We conducted a retrospective analysis of the Department of Defense Trauma Registry, which is a prospectively maintained database, for the time between 2007 and 2020. We used predefined search criteria to primarily identify any casualties that arrived at a military treatment facility with urological-based injuries. RESULTS The registry contained 25,897 adult casualties, of which 7.2% sustained urological injuries. The median age was 25. Explosive injuries (64%) and firearms (27%) predominated. The median injury severity score was 18 (IQR 10-29). Most patients survived until hospital discharge (94%). The most frequently injured organs were the scrotum (60%), testes (53%), penis (30%), and kidneys (30%). Massive transfusion protocols were activated in 35% of all patients who sustained a urological injury and accounted for 28% of all protocols between 2007 and 2020. CONCLUSIONS The incidence of genitourinary trauma persistently increased for both military and civilian personnel as the U.S. remained actively engaged in major military conflicts during this period. Patients with genitourinary trauma in this data set were often associated with high injury severity scores and required an increased number of immediate and long-term resources for survival and rehabilitation.
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Resolving between novelty and homology in the rapidly evolving phallus of Drosophila. JOURNAL OF EXPERIMENTAL ZOOLOGY. PART B, MOLECULAR AND DEVELOPMENTAL EVOLUTION 2023; 340:182-196. [PMID: 34958528 PMCID: PMC10155935 DOI: 10.1002/jez.b.23113] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 08/24/2021] [Accepted: 10/10/2021] [Indexed: 11/11/2022]
Abstract
The genitalia present some of the most rapidly evolving anatomical structures in the animal kingdom, possessing a variety of parts that can distinguish recently diverged species. In the Drosophila melanogaster group, the phallus is adorned with several processes, pointed outgrowths, that are similar in size and shape between species. However, the complex three-dimensional nature of the phallus can obscure the exact connection points of each process. Previous descriptions based upon adult morphology have primarily assigned phallic processes by their approximate positions in the phallus and have remained largely agnostic regarding their homology relationships. In the absence of clearly identified homology, it can be challenging to model when each structure first evolved. Here, we employ a comparative developmental analysis of these processes in eight members of the melanogaster species group to precisely identify the tissue from which each process forms. Our results indicate that adult phallic processes arise from three pupal primordia in all species. We found that in some cases the same primordia generate homologous structures whereas in other cases, different primordia produce phenotypically similar but remarkably non-homologous structures. This suggests that the same gene regulatory network may have been redeployed to different primordia to induce phenotypically similar traits. Our results highlight how traits diversify and can be redeployed, even at short evolutionary scales.
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Myofilaments promote wing expansion and maintain genitalia morphology in the American cockroach, Periplaneta americana. INSECT MOLECULAR BIOLOGY 2023; 32:46-55. [PMID: 36214335 DOI: 10.1111/imb.12812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 10/02/2022] [Indexed: 06/16/2023]
Abstract
Insects are the most widely distributed and successful animals on the planet. A large number of insects are capable of flight with functional wings. Wing expansion is an important process for insects to achieve functional wings after eclosion and healthy genital morphology is crucial for adult reproduction. Myofilaments are functional units that constitute sarcomeres and trigger muscle contraction. Here, we identified four myofilament proteins, including Myosin, Paramyosin, Tropomyosin and Troponin T, from the wing pads of nymphs in the American cockroach, Periplaneta americana. RNAi-mediated knockdown of Myosin, Paramyosin, Tropomyosin and Troponin T in the early stage of final instar nymphs caused a severely curly wing phenotype in the imaginal moult, especially in the Paramyosin and Troponin T knockdown groups, indicating that these myofilament proteins are involved in controlling wing expansion behaviours during the nymph-adult transition. In addition, the knockdown resulted in abnormal external genitalia, caused ovulation failure, and affected male accessory gland development. Interestingly, the expression of myofilament genes was induced by methoprene, a juvenile hormone (JH) analogue, and decreased by the depletion of the JH receptor gene Met. Altogether, we have determined that myofilament genes play an important role in promoting wing expansion and maintaining adult genitalia morphology, and their expression is induced by JH signalling. Our data reveal a novel mechanism by which wing expansion is regulated by myofilaments and the functions of myofilaments are involved in maintaining genitalia morphology.
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Studies on the sensory sensilla on the tarsi and external genitalia of the Asian tiger mosquito, Aedes albopictus (Skuse). Microsc Res Tech 2023; 86:242-251. [PMID: 36398839 DOI: 10.1002/jemt.24264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 10/31/2022] [Accepted: 11/09/2022] [Indexed: 11/19/2022]
Abstract
Dengue fever is a worldwide health problem transmitted mainly by Aedes albopictus. The ability of female mosquitoes to transmit disease depends on their behavioral responses to locate their host. The presence of different types of sensory sensilla with different morphological characteristics is the most distinctive feature of Ae. albopictus, in addition to the main sensory organs. The sensory sensilla are chemosensory contacts that Ae. albopictus uses to locate long-distance hosts and oviposition sites by receiving well-defined cues such as changes in temperature and humidity, mechanical impact, and odors. As a result, it is crucial to study the sensory sensilla of Ae. albopictus. Although the sensory sensilla of Ae. aegypti have been extensively studied, but there is still a lack of knowledge about the sensory sensilla of the Asian tiger mosquito, Ae. albopictus. This study aimed to investigate the different types of sensory sensilla on the tarsi and external genitalia of both sexes of Ae. albopictus and their morphological features using a scanning electron microscope. The results demonstrated that the tarsi have five types of sensory sensilla: sensilla chaetica, grooved pegs, sensilla campaniform, sensilla basiconica, and sensilla coeloconica. There are two thick, grooved sensilla on the tarsal joints. Sensilla coeloconica on the tarsus are hidden under scales in a raised pit and have a diameter of 13.69 ± 0.071 μm, which is significantly larger than those on the external genitalia of males, which have a diameter of 7.65 ± 0.065 μm. Sensilla coeloconica is absent from the external genitalia of females. Two types of senillae chaetica are found on the tarsomeres, near the claws, and on the joints, which differ significantly in morphology and morphometric parameters. The ovulation-supporting cerci are provided with three pairs of long sensilla chaetica at the apex, measuring 111.36 ± 0.020 μm in length. Two groups of four apical sensilla and short spiny subapical sensilla are randomly distributed on the ovipositor. The female external genitalia have two types of sensilla chaetica, which are arranged in rows and are significantly smaller than those of the male external genitalia. RESEARCH HIGHLIGHTS: Aedes albopictus showed various sensory structures distributed on the tarsi and genitalia of both sexes. Adequate information is available in this study to understand chemoreception and odor detection by different kinds of sensilla that help to evaluate the ability of female mosquitoes to transmit diseases.
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Reproductive isolation via divergent genital morphology due to cascade reinforcement in Ohomopterus ground beetles. J Evol Biol 2023; 36:169-182. [PMID: 36357996 DOI: 10.1111/jeb.14116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 08/29/2022] [Accepted: 09/26/2022] [Indexed: 11/12/2022]
Abstract
Secondary contact between incipient species and selection against maladaptive hybridization can drive reinforcement between populations in contact and result in reproductive character displacement (RCD). Resultant divergence in mating traits within a species may generate downstream reproductive isolation between populations with displaced and non-displaced traits, referred to as the cascade reinforcement hypothesis. We examined this hypothesis using three allopatric populations of the ground beetle Carabus maiyasanus with a genital lock-and-key system. This species shows RCD in male and female genital morphologies in populations in contact with the sister species C. iwawakianus. In a reciprocal mating experiment using three allopatric populations with differences in male and female genital sizes, insemination failure increased as the difference in genital size increased. Based on the reproductive isolation index, insemination failure was the major postmating-prezygotic isolation barrier, at least in one population pair with comparable total isolation to those of other species pairs. By contrast, there was only incomplete premating isolation among populations. These results suggest that RCD in genital morphologies drives incipient allopatric speciation, supporting the cascade reinforcement hypothesis. These findings provide insight into the roles of interspecific interactions and subsequent trait diversification in speciation processes.
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Key to the Chinese species of the subgenus Sphodromimus Casale, 1984 (Carabidae, Chlaeniini, Chlaenius) with descriptions of two new species. Zookeys 2022; 1135:61-91. [PMID: 36761797 PMCID: PMC9836729 DOI: 10.3897/zookeys.1135.93843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 11/18/2022] [Indexed: 12/14/2022] Open
Abstract
The subgenus Sphodromimus Casale, 1984 in China has been studied, revealing two new species: Chlaenius (Sphodromimus) caperatussp. nov. from Hunan Province and Chlaenius (Sphodromimus) yinggelingensissp. nov. from Hainan Province. A new replacement name is proposed for C. (Sphodromimus) wrasei (Kirschenhofer, 2003) [nec Chlaenius (Lithochlaenius) wrasei Kirschenhofer, 1997]: Chlaenius (Sphodromimus) davidinom. nov.. The status of Chlaenius (Sphodromimus) enleensis Mandl, 1992 is upgraded from subspecies to full species, and Chlaenius (Sphodromimus) tamdaoensis Kirschenhofer, 2003 is proposed as its new synonym. Chlaenius (Sphodromimus) pilosus (Casale, 1984) is reported as a new record from China. A key to all known species of the subgenus Sphodromimus from China is provided.
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Unilateral vulval edema as the presenting cutaneous manifestation of Crohn's disease. Int J Gynaecol Obstet 2022; 159:983-984. [PMID: 35844044 DOI: 10.1002/ijgo.14352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 06/27/2022] [Accepted: 07/08/2022] [Indexed: 11/12/2022]
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Dirofilaria repens Testicular Infection in Child, Italy. Emerg Infect Dis 2022; 28:2569-2572. [PMID: 36418007 PMCID: PMC9707574 DOI: 10.3201/eid2812.220424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Testicular Dirofilaria repens infection was identified and confirmed by sequence analysis in a child in northeastern Italy. Because human dirofilariasis is emerging in southern and eastern Europe, this parasitic infection should be considered in the differential diagnosis of scrotal swelling in disease-endemic countries to avoid unnecessary interventions, such as orchiectomy.
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Genital Edema in a Patient on Continuous Ambulatory Peritoneal Dialysis. KIDNEY360 2022; 3:1994-1995. [PMID: 36514395 PMCID: PMC9717626 DOI: 10.34067/kid.0003152022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 05/12/2022] [Indexed: 12/05/2022]
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The intraspecific variation of morphology and coloration of field crickets: a taxonomic revision of Chinese Gymnogryllus Saussure, 1877 and Phonarellus Gorochov, 1983 (Orthoptera, Gryllidae, Gryllini). Zookeys 2022; 1129:85-107. [PMID: 36761843 PMCID: PMC9836715 DOI: 10.3897/zookeys.1129.87706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 09/01/2022] [Indexed: 11/16/2022] Open
Abstract
After extensive sampling of specimens from species found in China, we examined the intraspecific morphological variation of several characters used for species delimitation in two closely related cricket genera, Gymnogryllus Saussure, 1877 and Phonarellus Gorochov, 1983. We found that the characters (male genitalia in Gymnogryllusodonopetalus Xie & Zheng, 2003 and Phonarellusritsemae (Saussure, 1877), and coloration of the hind leg in Phonarellusminor (Chopard, 1959)) exhibit considerable amounts of variation within species, and are thus not reliable characters for species differentiation. Therefore, we revised the taxonomy of these two genera. Five synonyms are proposed: G.yunnanensis (= G.odonopetalus) syn. nov., G.striatus (= G.odonopetalus) syn. nov., G.longus (= G.odonopetalus) syn. nov., G.tumidulus (= G.odonopetalus) syn. nov., and P.flavipes (= P.minor) syn. nov. All species mentioned above are described and illustrated. Keys and a distribution map are provided.
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Morphological description of Laevicaulisstuhlmanni (Simroth, 1895) (Pulmonata, Veronicellidae) from Egypt. Biodivers Data J 2022; 10:e85495. [PMID: 36761557 PMCID: PMC9836597 DOI: 10.3897/bdj.10.e85495] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 09/09/2022] [Indexed: 11/12/2022] Open
Abstract
Background Terrestrial slugs and snails are increasingly becoming serious pests of agricultural, horticultural and ornamental plants in Egypt, resulting in major economic losses. New information This paper provides a detailed morphological and anatomical description of the veronicellid slug Laevicaulisstuhlmanni (Simroth, 1895) that has been recently recorded from Egypt. This population from Egypt is compared with Laevicaulis populations recently reported and described from Libya as L.striatus (Simroth, 1896) and with available data in literature. Some notes and a distribution map of the veronicellids introduced in north-eastern Africa are provided.
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A review of the sinica species group within the genus Lilioceris (Coleoptera, Chrysomelidae, Criocerinae). Zookeys 2022; 1119:153-179. [PMID: 36762353 PMCID: PMC9848619 DOI: 10.3897/zookeys.1119.87082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Accepted: 08/09/2022] [Indexed: 11/12/2022] Open
Abstract
A new species group of the genus Lilioceris Reitter, 1913 is proposed and reviewed, the sinica group. It includes six species: L.gressitti Medvedev, 1958; L.rugata (Baly, 1865); L.sieversi (Heyden, 1887); L.sinica (Heyden, 1887); L.theana (Reitter, 1898) stat. nov.; and L.thibetana (Pic, 1916). Among them, L.theana is resurrected as a valid species from synonymy with L.rugata, and is newly reported from China. Redescriptions, an identification key, figures of habitus and male and female genitalia, geographic distributions, host plants, and habitats (if known) are provided for these species.
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Revision of the carnivorous land snail family Streptaxidae (Stylommatophora, Achatinina) in Myanmar, with description of four new species. Zookeys 2022; 1110:39-102. [PMID: 36761454 PMCID: PMC9848723 DOI: 10.3897/zookeys.1110.85399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Accepted: 05/29/2022] [Indexed: 11/12/2022] Open
Abstract
The carnivorous terrestrial snail family Streptaxidae, recognized by having a regular to eccentric shell with complex apertural dentition, remains little-known and largely unexplored in Myanmar. This article presents historically recorded species and provides new data on this family. A total of eighteen species in five genera, namely Carinartemis, Discartemon, Haploptychius, Oophana, and Perrottetia from the southeastern and eastern parts of Myanmar, is examined herein. Among these, Haploptychius is the most diverse with eight species, while the remaining genera are comprised of fewer than five species each. Streptaxisbirmanica and Streptaxisblanfordianus are herein synonymized with Haploptychiusblanfordi, while Streptaxishanleyanus is synonymized with Carinartemissankeyi. Furthermore, the first genitalia and radula descriptions for three previously known species, D.tonywhitteni, C.exacutus, and C.sankeyi, are provided. Using comparative morphological and anatomical approaches, four new species are described: D.paurodeviatus sp. nov., H.heliakosus sp. nov., H.tenasserimicus sp. nov., and H.karenorum sp. nov. This present study enhances the understanding of the land snail fauna in Myanmar, specifically the streptaxids, and highlights that limestone areas are important for biodiversity conservation.
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A new giant keelback slug of the genus Limax from the Balkans, described by citizen scientists. Biodivers Data J 2022; 10:e69685. [PMID: 36761626 PMCID: PMC9848616 DOI: 10.3897/bdj.10.e69685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 06/02/2022] [Indexed: 11/12/2022] Open
Abstract
Background Despite their large size, striking colouration and genital extravagance, the taxonomy of the European giant keelback slugs of the genus Limax is still poorly understood. Preliminary morphological and molecular data suggest that many unnamed or unrecognised species exist, especially in the Alps, the Mediterranean and the Balkans. New information We organised a citizen science expedition to Durmitor National Park in Montenegro and discovered a new species, genetically distinct, but morphologically similar to the sympatric L.cinereoniger Wolf 1803 and describe it as L.pseudocinereoniger.
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Panstrongylusnoireaui, a remarkable new species of Triatominae (Hemiptera, Reduviidae) from Bolivia. Zookeys 2022; 1104:203-225. [PMID: 36761929 PMCID: PMC9848746 DOI: 10.3897/zookeys.1104.81879] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 03/24/2022] [Indexed: 11/12/2022] Open
Abstract
Panstrongylusnoireaui sp. nov. from Bolivia is described based on male and female specimens. Although morphologically almost indistinguishable from Panstrongylusrufotuberculatus (Champion, 1899), the new species shows remarkable chromosome and molecular features, which are very distinctive among all others Panstrongylus species. The new species is also separated by some characteristics of the processes of the endosoma of the male genitalia. An updated key for species of Panstrongylus is provided.
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Incidence of genitourinary injuries in pelvic fractures: A 12-year single-center retrospective study. Neurourol Urodyn 2022; 41:1025-1030. [PMID: 35325489 DOI: 10.1002/nau.24919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 03/07/2022] [Accepted: 03/11/2022] [Indexed: 11/10/2022]
Abstract
OBJECTIVE This study aimed to determine the epidemiology of genitourinary injuries in pelvic fractures and elucidate the clinical outcomes of patients with pelvic fractures with and without genitourinary injuries at a tertiary trauma center in Japan. METHODS Patients with pelvic fractures in our tertiary trauma center between May 2009 and April 2021 were retrospectively assessed. The patients' demographics, mechanism of injury, and hospital course details were collected. The outcomes of patients with pelvic fractures with and without genitourinary injuries were compared. RESULTS Of 402 patients with pelvic fractures, 18 (4.5%) had genitourinary injuries. Falls were the most common mechanisms of injury for all pelvic fractures The incidence of bladder, kidney, urethral, and testis injuries were 2.0%, 1.2%, 1.2%, and 0.5%, respectively. Patients with genitourinary injuries were significantly younger (median age, 26 vs. 51 years; p < 0.001), had a higher rate of intensive care unit admission (94% vs. 58%; p = 0.002), remained hospitalized longer (median duration, 82 vs. 45 days; p < 0.001), and had a longer intensive care unit stay (median duration, 6 vs. 2 days; p < 0.001) when compared to patients without genitourinary injuries. Genitourinary injuries were not associated with in-hospital mortality. CONCLUSIONS The incidence of genitourinary injuries with pelvic fractures was 4.5%. The presence of genitourinary injuries was associated with a higher rate of intensive care unit admission, longer hospital stay, and longer intensive care unit stay, but it was not associated with in-hospital mortality.
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Abstract
Self-mutilation is defined as a "deliberate destruction or alteration of body tissue without conscious suicidal intent". The prevalence of self-mutilation is about 1%, however the voluntary cutting of the genital organs remains extremely rare with fewer than 100 cases of genital self-mutilation reported in both sexes in the English literature to date. Genital self-mutilation is most often associated with psychiatric disorders, but it has also been reported in nonpsychotic individuals owing to various reasons. Here, we present the case of a 45-year-old man who was found deceased in his home in a pool of blood with a knife and a pair of scissors lying next to him. In addition to this, parts of the intestine were found next to the body. The patient was diagnosed with hydrocoele and had a known history of tomophobia which caused him to take matters into his own hands by incising his scrotum which led to his demise. Self-orchidectomy is an extremely rare phenomenon and is most often associated with psychiatric illness.
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The South American moth Rheumapteramochica (Dognin, 1904) (Lepidoptera, Geometridae, Larentiinae) rediscovered after more than a century of anonymity. Zookeys 2022; 1085:129-143. [PMID: 35210907 PMCID: PMC8843940 DOI: 10.3897/zookeys.1085.76868] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 01/14/2022] [Indexed: 11/23/2022] Open
Abstract
Rheumapteramochica (Dognin, 1904) (Lepidoptera, Geometridae, Larentiinae) is reported from Chile for the first time. It was described from the western slopes of the Andes of southern Peru more than 100 years ago, and was recently rediscovered in Chile after larvae were collected and reared on the shrub Sennabirostrisvar.arequipensis (Meyen ex Vogel) H.S. Irwin & Barneby (Fabaceae). This discovery expands the known distribution of this moth and provides its first host plant record. The genitalia of R.mochica are described and illustrated for the first time and compared to those of R.affirmata (Guenée, [1858]). A maximum likelihood analysis based on mitochondrial DNA sequences clustered R.mochica as sister to R.affirmata with 3.6–3.8% divergence (K2P). A lectotype is designated for Calocalpemochica Dognin, 1904.
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A systematic review on the role of melatonin and its mechanisms on diabetes-related reproductive impairment in non-clinical studies. Front Endocrinol (Lausanne) 2022; 13:1022989. [PMID: 36303864 PMCID: PMC9592976 DOI: 10.3389/fendo.2022.1022989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 09/23/2022] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Diabetes-induced reproductive complications can lead to subfertility and infertility, raising the need to protect reproductive organs. There are limited medications used to improve reproductive health in diabetic patients. Melatonin, mainly produced by the pineal gland, may improve diabetes-associated reproductive complications through various mechanisms and may be a preferred candidate to protect the reproductive system. The present review aims to elucidate the underlying mechanisms of melatonin's effect on the reproductive system adversely affected by diabetes mellitus (DM). METHODS A comprehensive systematic literature electronic search was done using the PRISMA guidelines. Web of Science, PubMed, Embase, and Scopus were searched for publications up to June 2022. Search terms were selected based on the study purpose and were explored in titles and abstracts. After screening, out of a total of 169 articles, 14 pertinent articles were included based on our inclusion and exclusion criteria. RESULTS The results of studies using rats and mice suggest that DM adversely affects reproductive tissues, including testes and epididymis, prostate, corpus cavernosum, and ovary leading to alterations in histological and biochemical parameters compared to the normal groups. Treatment with melatonin improves oxidative stress, blocks apoptosis induced by endoplasmic reticulum stress and caspase activation, reduces pro-inflammation cytokines, and enhances steroidogenesis. CONCLUSION Melatonin exerted a protective action on the impaired reproductive system in in-vivo and in-vitro models of DM. The topic has to be followed up in human pregnancy cases that will need more time to be collected and approved.
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Society for Endocrinology UK Guidance on the initial evaluation of a suspected difference or disorder of sex development (Revised 2021). Clin Endocrinol (Oxf) 2021; 95:818-840. [PMID: 34031907 DOI: 10.1111/cen.14528] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 04/30/2021] [Accepted: 05/13/2021] [Indexed: 11/26/2022]
Abstract
It is paramount that any child or adolescent with a suspected difference or disorder of sex development (DSD) is assessed by an experienced clinician with adequate knowledge about the range of conditions associated with DSD and is discussed with the regional DSD service. In most cases, the paediatric endocrinologist within this service acts as the first point of contact but involvement of the regional multidisciplinary service will also ensure prompt access to specialist psychology and nursing care. The underlying pathophysiology of DSD and the process of delineating this should be discussed with the parents and affected young person with all diagnostic tests undertaken in a timely fashion. Finally, for rare conditions such as these, it is imperative that clinical experience is shared through national and international clinical and research collaborations.
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Empty pelvis syndrome: is there an easy way? Int J Gynecol Cancer 2021; 32:114. [PMID: 34725204 DOI: 10.1136/ijgc-2021-003196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Accepted: 10/22/2021] [Indexed: 11/03/2022] Open
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Revision of the Chinese species of subgenus Koreonialoe (Coleoptera: Carabidae: Pterostichus), with descriptions of two new species. Zookeys 2021; 1063:1-21. [PMID: 34720622 PMCID: PMC8545786 DOI: 10.3897/zookeys.1063.69942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 09/09/2021] [Indexed: 11/23/2022] Open
Abstract
The Chinese species of subgenus Koreonialoe Park & Kwon, 1996 of the genus Pterostichus are revised, including four species from the eastern part of Jilin and Liaoning provinces. Two new species are described: Pterostichus (Koreonialoe) micropoidessp. nov. (type locality: Jilin, Changbai county), and Pterostichus (Koreonialoe) tetralobatussp. nov. (type locality: Liaoning, Xiuyan county). Pterostichus (Koreonialoe) bellatrix (Tschitschérine) is newly recorded from China (Jilin). The subgenus Koreonialoe is classified into two groups on account of their differences on the endophallus, and all Chinese species accord with the microps group defined herein. A key to all six species in the microps group is provided.
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Ultrasonographic diagnosis in rare primary cervical cancer. Int J Gynecol Cancer 2021; 31:1535-1540. [PMID: 34711665 PMCID: PMC8666808 DOI: 10.1136/ijgc-2021-002860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 10/05/2021] [Indexed: 11/12/2022] Open
Abstract
Introduction Although ultrasonography has been reported to have similar diagnostic accuracy to magnetic resonance imaging, it is not a standard imaging modality for cervical cancer. We aimed to summarize the ultrasonographic features of rare primary cervical cancer. Methods This was a retrospective study of patients with cervical cancer who were diagnosed between June 2014 and October 2019. They were divided into common-type cervical cancer (ie, cervical squamous cell carcinoma) and rare-type cervical cancer groups including adenocarcinoma, adenosquamous carcinoma, and small cell carcinoma. All patients were staged according to the tumor, nodes, and metastases criteria. Results Of the 64 patients, the diagnosis was suspected on ultrasonography in 61 (95.3%) patients and missed on ultrasonography in three patients. The tumor size was smaller in the rare-type cervical cancer group (p<0.05). Hypoechoic lesions in common-type cervical cancer and isoechoic lesions accounted for 74.4% (32/43) and 61.9% (13/21) of patients in the rare-type cervical cancer group, respectively (p<0.001). Meanwhile, 67.4% (29/43) of tumors in common-type cervical cancer were exophytic, while 66.7% (14/21) in rare-type cervical cancer were endophytic (p=0.01). Color Doppler blood signals, as compared with normal cervical tissue, were found in all patients. There was good consistency between ultrasonographic and pathologic diagnosis of rare-type cervical cancer (weighted kappa=0.87). Conclusions Most patients with rare-type cervical cancer present with isoechoic lesions. The coincidence rate between ultrasonographic and pathologic diagnosis of rare-type cervical cancer is 87%.
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Tackling the Taxonomic Challenges in the Family Scoliidae (Insecta, Hymenoptera) Using an Integrative Approach: A Case Study from Southern China. INSECTS 2021; 12:insects12100892. [PMID: 34680660 PMCID: PMC8539399 DOI: 10.3390/insects12100892] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 09/23/2021] [Accepted: 09/23/2021] [Indexed: 12/15/2022]
Abstract
Species of the family Scoliidae are larval parasitoids of scarabaeoid beetles and pollinators of various plants. Despite their great importance in pest biological control and plant pollination, the taxonomy and systematics of these parasitoids are far from clear. Some species of the family are extremely morphologically similar and difficult to identify, especially in males. In this study, an integrative taxonomic approach, combining morphology and molecular data, was used to discriminate the species of Scoliidae from southern China. In total, 52 COI sequences belonging to 22 morphospecies of 9 genera in two tribes were obtained. The COI sequences worked well for the identification of all the studied species, with intraspecific genetic distances generally less than 2%, while interspecific distances ranged between 5.3% and 20.8%. The delimitations of the problematic species and subspecies of Scolia and Megacampsomeris are well solved by COI sequences, suggesting that DNA barcoding could be a useful identification tool for Scoliidae. Based on both morphological and molecular evidence, we discovered one undescribed cryptic species of the polytypic species Solia (Discolia) superciliaris Saussure, 1864, five newly recorded species, i.e., Scolia (Discolia) sikkimensis Bingham, 1896, Sericocampsomeris flavomaculata Gupta and Jonathan, 1989, Megacampsomeris asiatica (Saussure, 1858), Megacampsomeris pulchrivestita (Cameron, 1902) and Megacampsomeris shillongensis (Betrem, 1928) and one pending subspecies of Scolia (Discolia) watanabei (Matsumura, 1912) from China. Our study indicates that such an integrative approach, combing both molecular and morphological evidence, is a potent tool to tackle the taxonomic challenges in the family Scoliidae, or even, in other diverse groups of Aculeata, of which sexual dimorphism and cryptic species are common.
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Penetrating penile injury due to the splintering of the floorboards in the gymnasium. IJU Case Rep 2021; 4:221-223. [PMID: 34258532 PMCID: PMC8255285 DOI: 10.1002/iju5.12290] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/13/2021] [Accepted: 03/30/2021] [Indexed: 11/30/2022] Open
Abstract
INTRODUCTION We present the case of a patient with penetrating penile injury caused by splintering floorboards in a gymnasium. CASE PRESENTATION A 24-year-old man was brought to the emergency department of our hospital because of an unintentional penetrating penile injury sustained while playing volleyball at a gymnasium. He dove into the wooden floor to fly-receive the ball. When sliding with his abdomen on the floor, a wooden splinter from the floorboard stuck from the base of his penis to near the glans penis. The splinter was gently removed without bleeding under local anesthesia. CONCLUSIONS Splintering floorboards in gymnasiums can cause serious trauma, including penile injuries. Health-care workers and users of public facilities, such as gymnasiums, should be aware of the accident risk associated with wooden floors.
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Gunshot wounds to the penis and scrotum: a narrative review of management in civilian and military settings. Transl Androl Urol 2021; 10:2596-2608. [PMID: 34295746 PMCID: PMC8261456 DOI: 10.21037/tau-20-1175] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 09/08/2020] [Indexed: 11/29/2022] Open
Abstract
Gunshot wounds (GSW) to the penis and scrotum are present in two thirds of all genitourinary (GU) trauma, with a growing proportion of blast injuries in the military setting. Depending on the energy of the projectile, the injury patterns present differently for military and civilian GSWs. In this review, we sought to provide a detailed overview of GSWs to the external genitalia, from mechanisms to management. We examine how ballistic injury impacts tissues, as well as the types of injuries that occur, and how to assess these injuries to the external genitalia. If there is concern for injury to the deep structures of the penis or scrotum, operative exploration and repair is warranted. Relevant history and physical examination, role of imaging, and choice of conservative or surgical treatment options in the civilian and military setting are discussed, as well as guidelines for management set forth by the American Urological Association (AUA) and European Association of Urology (EAU).
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A morphological trait involved in reproductive isolation between Drosophila sister species is sensitive to temperature. Ecol Evol 2021; 11:7492-7506. [PMID: 34188829 PMCID: PMC8216934 DOI: 10.1002/ece3.7580] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 03/24/2021] [Accepted: 03/30/2021] [Indexed: 11/18/2022] Open
Abstract
Male genitalia are usually extremely divergent between closely related species, but relatively constant within one species. Here we examine the effect of temperature on the shape of the ventral branches, a male genital structure involved in reproductive isolation, in the sister species Drosophila santomea and Drosophila yakuba. We designed a semi-automatic measurement machine learning pipeline that can reliably identify curvatures and landmarks based on manually digitized contours of the ventral branches. With this method, we observed that temperature does not affect ventral branches in D. yakuba but that in D. santomea ventral branches tend to morph into a D. yakuba-like shape at lower temperature. We found that male genitalia structures involved in reproductive isolation can be relatively variable within one species and can resemble the shape of closely related species' genitalia through plasticity to temperature. Our results suggest that reproductive isolation mechanisms can be dependent on the environmental context.
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A new species of the genus Arria Stål, 1877 (Mantodea, Haaniidae) from China with notes on the tribe Arriini Giglio-Tos, 1919. Zookeys 2021; 1025:1-19. [PMID: 33814943 PMCID: PMC7994290 DOI: 10.3897/zookeys.1025.56780] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 02/12/2021] [Indexed: 11/12/2022] Open
Abstract
A new species of the praying mantis genus Arria Stål, Arria pura sp. nov. from southwest China is described and illustrated. An overview, comparison, and distribution data of this tribe are given. A new synonym is created: Sinomiopteryx yunnanensis Xu, 2007 is a junior synonym of Arria pallida (Zhang, 1987). One new combination Arria brevifrons (Wang, 1991) comb. nov. (from Sinomiopteryx Tinkham), is proposed.
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Two New Species of the Genus Eucorydia (Blattodea: Corydiidae) from the Nansei Islands in Southwest Japan. Zoolog Sci 2021; 38:90-102. [PMID: 33639723 DOI: 10.2108/zs200048] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Accepted: 09/09/2020] [Indexed: 11/17/2022]
Abstract
Two new species of the cockroach genus Eucorydia Hebard, 1929 from the Nansei Islands in Southwest Japan were compared to two closely related congeners, Eucorydia yasumatsui Asahina, 1971 and Eucorydia dasytoides (Walker, 1868). Eucorydia donanensis Yanagisawa, Sakamaki, and Shimano sp. nov. from Yonaguni-jima Island was characterized by an overall length of 12.5-14.5 mm in males. The dorsal side of the male abdomen was entirely dark purple and there was an obscure orange band running down the middle of the tegmen. Eucorydia tokaraensis Yanagisawa, Sakamaki, and Shimano sp. nov. was characterized by an overall length of 12.0-13.0 mm in males and a distinct orange band running down the middle of the tegmen. Eucorydia yasumatsui, E. donanensis, E. tokaraensis and the zonata population of E. dasytoides were divided into four lineages in a maximum-likelihood tree generated from a dataset concatenated from five (two nuclear, 28S rRNA, histone H3, and three mitochondrial, COII, 12S rRNA, 16S rRNA) genes. We recognized the three Japanese lineages E. yasumatsui, E. donanensis, and E. tokaraensis as distinct species, which were also supported by the pairwise genetic distances (5.4-7.8%, K2P) of the COI sequences. Morphometric analysis was performed on the genitalia. A principal component analysis plot revealed that the sizes of the genitalia in the three Japanese species were similar to each other and smaller than that of the zonata population of E. dasytoides. The analysis also revealed that the three Japanese species were distinguished from each other by combinations of the sizes of L3 and L7 sclerites and the shape of R2 sclerite, with some overlapping exceptions.
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DNA barcoding and morphology reveal a new cryptic species of Nagiella (Lepidoptera, Crambidae, Spilomelinae) from Japan. Zookeys 2021; 1023:171-192. [PMID: 33776519 PMCID: PMC7973066 DOI: 10.3897/zookeys.1023.60934] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 01/29/2021] [Indexed: 11/16/2022] Open
Abstract
Nagiellatristalis Matsui & Naka, sp. nov. is described from Japan, based on DNA barcoding and morphological evidence. The two species previously known from Japan, N.quadrimaculalis and N.inferior, are diagnosed. Photographs of adults, including male and female genitalia of the three species, are provided.
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Successful surgical resection and reconstruction of scrotal elephantiasis. IJU Case Rep 2021; 4:79-81. [PMID: 33718810 PMCID: PMC7924082 DOI: 10.1002/iju5.12245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 10/27/2020] [Accepted: 11/14/2020] [Indexed: 11/25/2022] Open
Abstract
INTRODUCTION An enlarged scrotum due to scrotal elephantiasis results in a poor quality of life. This condition is uncommon and challenging to manage for most urologists. We report a case of scrotal elephantiasis treated with resection and scrotal reconstruction. CASE PRESENTATION A 57-year-old man was referred to our hospital with a 6-year history of scrotal swelling. The scrotum was 20 cm in diameter, stiff, and thick. He was diagnosed with chronic scrotal lymphedema and underwent scrotal resection. The skin and subcutaneous tissues of the scrotum were excised, and the suprapubic skin, which was stretched by the enlarged scrotum, was used for the scrotal reconstruction. The penis was pulled out from this hole in the skin. CONCLUSION Utilizing suprapubic skin flap for scrotal reconstruction is an effective treatment for scrotal elephantiasis that can result in functionally and cosmetically successful outcomes.
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Rhodnius micki, a new species of Triatominae (Hemiptera, Reduviidae) from Bolivia. Zookeys 2021; 1012:71-93. [PMID: 33584109 PMCID: PMC7854562 DOI: 10.3897/zookeys.1012.54779] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 12/02/2020] [Indexed: 11/20/2022] Open
Abstract
Rhodnius Stål, 1859 is the second largest genus of Triatominae after Triatoma Laporte, 1832, and includes several important Chagas vectors. Genitalia in Reduviidae are frequently used for species identification, but the current use of terminology for it is inconsistent in Triatominae. Here, Rhodniusmickisp. nov., is described from Bolivia and considered as belonging to the pictipes group based on its morphological characters and distribution. Detailed documentation of the genitalia of Rhodniusmickisp. nov. is provided with emphasis on its everted phallus, especially the endosomal sclerites, which are potentially useful as species-level diagnostic features in Rhodnius. To further verify the validity of this species, the head shapes and wing venation patterns of five species in Rhodnius are compared with morphometric analysis. After reviewing taxonomic and comparative morphology papers of assassin bugs, a vocabulary with a terminology of morphological characters, especially of external male genitalic characters, is assembled with the preferred terms and the synonyms listed. Establishing a consistent terminological framework will greatly facilitate future research on the homology of these structures across Triatominae and will ultimately contribute to our understanding of the evolution of these groups.
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The pudendum and the perversion of anatomical terminology. Clin Anat 2021; 34:721-725. [PMID: 33259639 DOI: 10.1002/ca.23706] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 11/25/2020] [Indexed: 11/07/2022]
Abstract
The definition of pudendum is external genitalia. The term pudendum is used to describe external genitalia regardless of sex. The labia majora, labia minora, clitoris, penis, scrotum, testes, and so on are all parts of the human pudenda. The female pudendum is also called the vulva. Also, nonhuman species have pudenda. Pudendum is a term that has been part of the formal anatomical nomenclature for a millennium. Recently, the meaning of pudendum has been perverted and misinterpreted as synonymous with only the vulva and to come from an etymological root term with the narrowly defined meaning "to be ashamed." The misunderstanding of pudendum is twofold. First, pudendum describes the external genitalia indiscriminate of sex; however, terms such as pudendum muliebre/pudendum femininum and pudendum virile/pudendum masculinum have been used throughout history to identify pudenda with respect to sex. Second, the meaning of the root term pudere has been taken out of context. The meaning of the root term is inclusive of respect, modesty, honesty, honor, virtue, awe, veneration, and so on and has a positive connotation rather than a negative connotation, akin to sacrum, for example. Indeed, pudendum shares its etymological root with the names of goddesses and saints (e.g., Pudicitia, Saint Pudens, Saint Pudentiana). This manuscript provides details regarding anatomical etymology and both the historical and modern use of anatomical terminology related to pudendum. Furthermore, this manuscript remedies the perversion of pudendum and, in doing so, improves the anatomical lexicon.
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MESH Headings
- Anatomy/history
- Female
- Genitalia, Female
- Genitalia, Male
- History, 15th Century
- History, 16th Century
- History, 17th Century
- History, 18th Century
- History, 19th Century
- History, 20th Century
- History, 21st Century
- History, Medieval
- Humans
- Male
- Terminology as Topic
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