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Conga DF, Araújo CY, Souza NF, Corrêa JT, Santos JB, Figueiredo EC, Bernal MK, Andrade SL, Silva NW, Pereira WL, Gardner SL, Notarnicola J. Cerebral filariasis infection with Litomosoides in Molossus barnesi (Chiroptera: Molossidae) in the Brazilian eastern Amazon, with comments on Molossinema wimsatti Georgi, Georgi, Jiang and Fronguillo, 1987. Parasitol Res 2024; 123:125. [PMID: 38326631 DOI: 10.1007/s00436-024-08139-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 01/23/2024] [Indexed: 02/09/2024]
Abstract
During bacterial and viral pathogen investigation of 30 specimens of bats captured in periurban forest areas in the city of Belém, Pará, Brazil, a case of cerebral filariasis was observed. In the course of histopathological examination, adult filariae were found in pseudocystic cavities brain of Molossus barnesi (Molossidae) and classified morphologically as Litomosoides by the shape of the spicules-left spicule with a handle longer than the blade; right spicule curved, with a sclerotized heel supporting a dorsal notch; the area rugosa constituted by a ventral band of small longitudinal crests; tail rounded in males; long esophagus with a slightly glandular distal portion; and a muscular bent vagina. All the specimens lack a stoma (buccal capsule). We compared our filarioids with the description of specimens of Molossinema wimsatti. Morphological characteristics of M. wimsatti resemble the genus Litomosoides. Thus, we believe that M. wimsatti is a synonym of L. molossi Esslinger, 1973, and filarioid specimens from material reported by Lichtenfels et al. (Trans Am Micros Soc 100:216-219, 1981) and from de Souto et al. (J. Helminthol 1195:e65, 2021) most probably correspond to Litomosoides. We suggest that the reduction of the buccal capsule may be attributable to the ectopic location. No evidence of tissue responses by the host was observed. This is the first record of Litomosoides infecting brain tissue of Molossus barnesi from Brazil, representing a record of a new host species. More specimens of bats should be examined in order to find filarioids in the brain and verify its taxonomic position using molecular techniques.
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Affiliation(s)
- David F Conga
- Grupo de Medicina da Conservação e Saúde Única, Instituto de Desenvolvimento Sustentável Mamirauá (IDSM), Estrada Do Bexiga, Tefé, Amazonas, 2584, 69553-225, Brazil.
| | - Camille Y Araújo
- Laboratório de Patologia Animal, Instituto de Saúde E Produção Animal, Universidade Federal Rural da Amazônia, Av. Presidente Tancredo Neves 2501, Terra Firme, Belém, Pará, 66077-830, Brazil
| | - Natália F Souza
- Programa de Pós-Graduação Em Medicina Veterinária, Faculdade de Medicina Veterinária E Zootecnia, Universidade Estadual Paulista (UNESP), Rua Prof. Doutor Walter Mauricio Correa S/N, Botucatu, São Paulo, 18618-681, Brazil
| | - Jean T Corrêa
- Laboratório de Patologia Animal, Instituto de Saúde E Produção Animal, Universidade Federal Rural da Amazônia, Av. Presidente Tancredo Neves 2501, Terra Firme, Belém, Pará, 66077-830, Brazil
| | - Josye B Santos
- Laboratório de Patologia Animal, Instituto de Saúde E Produção Animal, Universidade Federal Rural da Amazônia, Av. Presidente Tancredo Neves 2501, Terra Firme, Belém, Pará, 66077-830, Brazil
| | - Edigleise C Figueiredo
- Laboratório de Patologia Animal, Instituto de Saúde E Produção Animal, Universidade Federal Rural da Amazônia, Av. Presidente Tancredo Neves 2501, Terra Firme, Belém, Pará, 66077-830, Brazil
| | - Marcella K Bernal
- Laboratório de Patologia Animal, Instituto de Saúde E Produção Animal, Universidade Federal Rural da Amazônia, Av. Presidente Tancredo Neves 2501, Terra Firme, Belém, Pará, 66077-830, Brazil
| | - Sara L Andrade
- Laboratório de Patologia Animal, Instituto de Saúde E Produção Animal, Universidade Federal Rural da Amazônia, Av. Presidente Tancredo Neves 2501, Terra Firme, Belém, Pará, 66077-830, Brazil
| | - Neuder W Silva
- Programa de Pós-Graduação Em Ciências Ambientais (PPGCA), Universidade Do Estado Do Pará. Tv. Enéas Pinheiro, 2626, Marco, Belém-PA, Belém, Pará, 66.095-100, Brazil
| | - Washington L Pereira
- Laboratório de Patologia Animal, Instituto de Saúde E Produção Animal, Universidade Federal Rural da Amazônia, Av. Presidente Tancredo Neves 2501, Terra Firme, Belém, Pará, 66077-830, Brazil
| | - Scott Lyell Gardner
- The Harold W. Manter Laboratory of Parasitology, W 529 Nebraska Hall, University of NE-Lincoln, Lincoln, NE, 68588-0514, USA
| | - Juliana Notarnicola
- Instituto de Biología Subtropical (IBS) CONICET- UNaM, Av. Tres Fronteras 183, 3380, Puerto Iguazú, Misiones, Argentina
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Natalini MB, Notarnicola J, Monje LD, Vallejos AB, Gavier FS, Kowalewski MM. A new dracunculus species (Nematoda: Dracunculoidea) in neotropical otters ( Lontra longicaudis) from Argentina: morphological and molecular characterization. Int J Parasitol Parasites Wildl 2023; 22:234-242. [PMID: 38045874 PMCID: PMC10689777 DOI: 10.1016/j.ijppaw.2023.11.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 11/14/2023] [Accepted: 11/14/2023] [Indexed: 12/05/2023]
Abstract
A new species of Dracunculus is described in wild neotropical otters, Lontra longicaudis, occurring in Corrientes, Argentina, based on morphological and molecular characteristics. Worms were located in the subcutaneous tissue from two of five investigated otters. Dracunculus jaguape n. sp. is differentiated from the 14 species of Dracunculus described from mammals and reptiles by the prominent dorsal and ventral papillae on the head; deirids posterior to nerve ring; male with long needlelike spicules and presence of gubernaculum; and long first stage larva. Phylogenetic analysis using the 18S rRNA positioned Dracunculus jaguape n. sp. in an anterior position to the rest of Dracunculus sequences available and COI positioned it in a separated clade sister to Dracunculus lutrae sequences. This is the first report on the presence of this nematode in Lontra longicaudis in Argentina.
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Affiliation(s)
- María Belén Natalini
- Estación Biológica Corrientes (EBCo), CECOAL - CONICET - UNNE, Nuestra Señora de Lourdes 1200, San Cayetano, 3401, Corrientes, Argentina
| | - Juliana Notarnicola
- Instituto de Biología Subtropical (IBS), CONICET - UNaM, Av. Tres Fronteras 183, Puerto Iguazú, 3370, Misiones, Argentina
| | - Lucas Daniel Monje
- Laboratorio de Ecología de Enfermedades, Instituto de Ciencias Veterinarias Del Litoral (UNL-CONICET), R.P. Kreder 2805, 3080, Esperanza, Santa Fe, Argentina
| | - Adriana Belén Vallejos
- Estación Biológica Corrientes (EBCo), CECOAL - CONICET - UNNE, Nuestra Señora de Lourdes 1200, San Cayetano, 3401, Corrientes, Argentina
- Instituto de Biología Subtropical (IBS), CONICET - UNaM, Av. Tres Fronteras 183, Puerto Iguazú, 3370, Misiones, Argentina
- Laboratorio de Ecología de Enfermedades, Instituto de Ciencias Veterinarias Del Litoral (UNL-CONICET), R.P. Kreder 2805, 3080, Esperanza, Santa Fe, Argentina
- Dirección de Parques y Reservas, Ministerio de Turismo, 9 de Julio 929, Corrientes, 3400, Argentina
| | - Francisco Sanchez Gavier
- Estación Biológica Corrientes (EBCo), CECOAL - CONICET - UNNE, Nuestra Señora de Lourdes 1200, San Cayetano, 3401, Corrientes, Argentina
| | - Martín Miguel Kowalewski
- Estación Biológica Corrientes (EBCo), CECOAL - CONICET - UNNE, Nuestra Señora de Lourdes 1200, San Cayetano, 3401, Corrientes, Argentina
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Serrano PC, Digiani MC, Gómez-Muñoz MDLA, Notarnicola J, Robles MDR, Navone GT. Hassalstrongylus dollfusi (Nematoda, Heligmonellidae): rediscovery in native South American rodents, six decades after its description. Parasite 2021; 28:80. [PMID: 34889736 PMCID: PMC8663770 DOI: 10.1051/parasite/2021077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 11/16/2021] [Indexed: 12/05/2022] Open
Abstract
Hassalstrongylus dollfusi (Díaz-Ungría, 1963) Durette-Desset, 1971 was described in a wild house mouse, Mus musculus, from Venezuela and, since then, has never been reported again in the type host or in any other host. In this work, specimens assignable to H. dollfusi were found at 10 localities in Northeast Argentina, in five species of sigmodontine rodents. The nematodes were attributed to H. dollfusi based on diagnostic characters such as: synlophe with 22-31 subequal ridges; in males, hypertrophy of right ray 4 of the male bursa, thickening of the dorsal ray and bases of rays 8, distal tip of the spicules bent and spoon shaped; and, in females, presence of subventral postvulvar alae supported by hypertrophied struts. The new host recorded are: Oligoryzomys fornesi, O. flavescens, O. nigripes, Holochilus chacarius and Akodon azarae. The parasite showed a strong preference for host species of Oligoryzomys, which appear to act as primary hosts. The parasite could be present, parasitizing different species of Oligoryzomys, in a geographic area from the type locality in Venezuela southward to north Corrientes in Argentina. It has not been reported from populations of Oligoryzomys spp. of the Argentinean and Brazilian Atlantic Forest, nor south of 28° S, which may be explained by constraints in the environmental conditions required by the free-living stages of the parasite. This study provides the first identification and redescription of H. dollfusi in southern South America, from autochthonous hosts, six decades after its description.
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Affiliation(s)
- Paula Carolina Serrano
- CONICET-Consejo Nacional de Investigaciones Científicas y Técnicas Argentina
- División Zoología Invertebrados, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata Paseo del Bosque s/n 1900 La Plata Argentina
| | - María Celina Digiani
- CONICET-Consejo Nacional de Investigaciones Científicas y Técnicas Argentina
- División Zoología Invertebrados, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata Paseo del Bosque s/n 1900 La Plata Argentina
| | - María de los Angeles Gómez-Muñoz
- Laboratorio Biología de los Parásitos, Facultad de Ciencias Exactas y Naturales y Agrimensura, Universidad Nacional del Nordeste Av. Libertad 5460 3400 Corrientes Argentina
| | - Juliana Notarnicola
- Instituto de Biología Subtropical (CONICET - Universidad Nacional de Misiones) Bertoni 85 3370 Puerto Iguazú Argentina
| | - María del Rosario Robles
- Centro de Estudios Parasitológicos y de Vectores (CCT La Plata-CONICET-UNLP), 120 e/61 y 62 B1900FWA La Plata Argentina
| | - Graciela Teresa Navone
- Centro de Estudios Parasitológicos y de Vectores (CCT La Plata-CONICET-UNLP), 120 e/61 y 62 B1900FWA La Plata Argentina
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Jiménez FA, Notarnicola J, Gardner SL. HOST-SWITCHING EVENTS IN LITOMOSOIDES CHANDLER, 1931 (FILARIOIDEA: ONCHOCERCIDAE) ARE NOT RAMPANT BUT CLADE DEPENDENT. J Parasitol 2021; 107:320-335. [PMID: 33902110 DOI: 10.1645/20-35] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
The genus Litomosoides Chandler, 1931, includes species that as adults occur in the thoracic and abdominal cavity of mammalian hosts and are presumably vectored by mites. The vertebrate hosts include a variety of Neotropical mammals such as phyllostomid and mormoopid bats; cricetid, sciurid, and hystricognath rodents; and didelphid marsupials. It has been suggested that Litomosoides is not a monophyletic group and that rampant horizontal transfer explains their presence in disparate groups of mammals. Herein we present a phylogenetic reconstruction including mitochondrial genes of 13 vouchered species. This phylogeny is used to reconstruct the evolutionary history of these parasites and the ancestral states of key characters used in species classification, namely, the configuration of the spicules. The historical association of these filarioids with 6 groups of mammals, as well as their ancestral geographic distributions, were reconstructed using Bayesian statistical approaches comparing alternative models of biogeography and evolution and fossil states in selected nodes of the phylogeny. The optimal reconstruction suggests a model of dispersal, extinction, and cladogenesis (DEC) driving the evolution of Litomosoides; the results suggest an origin of Litomosoides in South America and association of ancestors with phyllostomids, and strong evidence of at least 2 host-switching events: 1 of these involving cricetid rodents and the other mormoopid bats. The latter event included a simultaneous geographic expansion of the parasite lineage across South and North America. The host-switching event from phyllostomid bats into cricetid rodents occurred once these rodents diversified across South America; subsequent diversification of the latter clade resulted in 2 branches, each showing expansion of the parasites back into North America. This result suggests that both parasites and cricetid rodents established an association in South America, underwent diversification, and then dispersed into North America. Further, this clade of cricetid-dwelling species includes parasites featuring the "sigmodontis" spicule type. The identification of a single host-switching event involving the disparate lineages of Chiroptera and Rodentia offers a framework to reconstruct the gene evolution and diversification of this lineage after the host-switching event. This will help in predicting the ability of these parasites to infect sympatric mammals.
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Affiliation(s)
- F Agustín Jiménez
- School of Biological Sciences, Southern Illinois University, Carbondale, Illinois 62901-6501
| | - Juliana Notarnicola
- Instituto de Biología Subtropical (IBS)-CONICET-CCT Nordeste, Bertoni 85 (3370) Puerto Iguazú, Misiones, Argentina
| | - Scott L Gardner
- The Harold W. Manter Laboratory of Parasitology, W 529 Nebraska Hall, University of Nebraska-Lincoln, Lincoln, Nebraska 68588-0514
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Natalini MB, Notarnicola J, Sanchez Gavier F, Kowalewski MM. Helminth infracommunity in a maned wolf, Chrysocyon brachyurus, from the humid Chaco, Argentina. Parasitol Int 2021; 82:102303. [PMID: 33601021 DOI: 10.1016/j.parint.2021.102303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/23/2021] [Accepted: 02/04/2021] [Indexed: 10/22/2022]
Abstract
Parasitism is an important factor in conservation worldwide, especially for endangered species, as it can affect host populations by reducing growth rates, fecundity and affecting nutritional status. The maned wolf Chrysocyon brachyurus, a near-threatened species, is distributed across different habitats from the south Amazonian forest in Brazil to northern Argentina, Paraguay and eastern Bolivia. Most studies on gastrointestinal parasites in wild maned wolves are based on coprological findings, and there is little information about adult parasites and parasite species richness. Therefore, this study aims to expand the knowledge about the helminth infracommunity of a maned wolf, describe adult parasites, and explore parasitic coinfections. We performed a necropsy of an adult individual found road killed in Chaco province, Argentina. We collected adult worms from subcutaneous tissues, from the right ventricle, kidneys, and intestine. The parasites were morphologically identified as Dirofilaria immitis, Dioctophyma renale and Spirometra sp. respectively. To our knowledge, this is the first record for adults of Dirofilaria immitis in maned wolves. Filarioids were located within the heart as well as in subcutaneous tissues with mature females containing uterine microfilariae; this study also adds C. brachyurus as a new host for Spirometra sp. in Argentina. Considering that the three helminths found herein are zoonotic and that the maned wolf is an endangered canid, it is essential provide baseline information to determine the risk factors involved in the transmission and extend the studies to sympatric wild and domestic canids in the area.
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Affiliation(s)
- M B Natalini
- Estación Biológica Corrientes (EBCo), CCT Nordeste CONICET, Nuestra Señora de Lourdes 1200, 3401 San Cayetano, Corrientes, Argentina.
| | - J Notarnicola
- Instituto de Biología Subtropical (IBS), CCT Nordeste CONICET - UNaM, Bertoni 85, 3370 Puerto Iguazú, Misiones, Argentina
| | - F Sanchez Gavier
- Estación Biológica Corrientes (EBCo), CCT Nordeste CONICET, Nuestra Señora de Lourdes 1200, 3401 San Cayetano, Corrientes, Argentina
| | - M M Kowalewski
- Estación Biológica Corrientes (EBCo), CCT Nordeste CONICET, Nuestra Señora de Lourdes 1200, 3401 San Cayetano, Corrientes, Argentina
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Ciocco RB, Carpinetti BN, Rojas P, Castresana G, Notarnicola J. Endoparásitos de una población de cerdos silvestres (Sus scrofa) en Bahía Samborombón, Buenos Aires, Argentina. REV MEX BIODIVERS 2019. [DOI: 10.22201/ib.20078706e.2019.90.2851] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Gressler LT, Krawczak FDS, Knoff M, Monteiro SG, Labruna MB, Binder LDC, Oliveira CSD, Notarnicola J. Litomosoides silvai (Nematoda: Onchocercidae) parasitizing Akodon montensis (Rodentia: Cricetidae) in the southern region of Brazil. Rev Bras Parasitol Vet 2017; 26:433-438. [DOI: 10.1590/s1984-29612017060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 09/15/2017] [Indexed: 11/21/2022]
Abstract
Abstract In the present study, Litomosoides silvai parasitizing Akodon montensis in the southern region of Brazil is reported for the first time. New morphological information is provided for some structures of this nematode species, such as a flattened cephalic extremity, presence of two dorsal cephalic papillae, female tail with a constriction at its tip, “s” shaped vagina, spicules characteristic of the carinii species group and microfilaria tail constricted at the tip. This nematode was found parasitizing the thoracic cavity with a prevalence of 10% (2/20), mean intensity of 4 (6/2), mean abundance of 0.4 (8/20) and range of infection of 2-6 specimens per host, in southern Brazil. This occurrence of L. silvai in A. montensis is a new geographical record for southern Brazil, in the Upper Paraná Atlantic Forest ecoregion of the northwestern region of Rio Grande do Sul, which is part of the Atlantic Forest biome.
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Digiani MC, Landaeta-Aqueveque C, Serrano PC, Notarnicola J. Pudicinae (Nematoda: Heligmonellidae) Parasitic in Endemic Chilean Rodents (Caviomorpha: Octodontidae and Abrocomidae): Description of a New Species and Emended Description of Pudica degusi (Babero and Cattan) n. comb. J Parasitol 2017; 103:736-746. [PMID: 28862918 DOI: 10.1645/17-81] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
We report the finding of 2 species of Pudica (Nematoda: Heligmonellidae: Pudicinae) in 2 rodents endemic to Chile, the common degu Octodon degus (Octodontidae) and the Bennett's chinchilla rat Abrocoma bennettii (Abrocomidae). Pudica degusi ( Babero and Cattan, 1975 ) n. comb., originally described as a species of Longistriata (Heligmosomidae), was found in the common degu; through the study of its synlophe, the species is reassigned to the Heligmonellidae: Pudicinae and the genus Pudica, and it is revalidated through comparison with the remaining species of the genus. Pudica cattani n. sp. is described from both O. degus and A. bennettii. It is characterized by its large body size, bursal pattern of type 1-3-1 on right lobe, 1-3-1 tending to 1-4 on left lobe, synlophe with 11 ridges including a careen, dorsal ray of the bursa dividing proximally and bursal rays 9 and 10 relatively short. Pudica degusi n. comb. and Pudica cattani n. sp. were found in the same host species but not as coparasitic in the same individuals. The common degu is confirmed as the sole and primary host of Pudica degusi n. comb. It is unlikely that it is the primary host for Pudica cattani n. sp., whose host affinities are less clear mainly due to the scarcity of data. Pudica cattani n. sp. is the first helminth reported from the Bennett's chinchilla rat. Both findings enlarge the host range of the Pudicinae to the families Octodontidae and Abrocomidae, i.e., 9 out of the 11 extant families of caviomorphs, thereby establishing the presence of this nematode subfamily as typical parasites of the Neotropical Hystricognathi.
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Affiliation(s)
- María Celina Digiani
- * Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
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Oviedo MC, Notarnicola J, Miotti MD, Claps LE. Emended Description ofLitomosoides molossi(Nematoda: Onchocercidae) and First Records ofLitomosoidesSpecies Parasitizing Argentinean Bats. J Parasitol 2016; 102:440-50. [DOI: 10.1645/15-776] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Affiliation(s)
- Mirna C. Oviedo
- Instituto Superior de Entomología Dr. Abraham Willink—INSUE and Cátedra de Invertebrados, Facultad de Ciencias Naturales e Instituto Miguel Lillo, Universidad Nacional de Tucumán–UNT. Miguel Lillo 205 (4000) San Miguel de Tucumán, Tucumán, Argentina
| | | | | | - Lucía E. Claps
- Instituto Superior de Entomología Dr. Abraham Willink—INSUE and Cátedra de Invertebrados, Facultad de Ciencias Naturales e Instituto Miguel Lillo, Universidad Nacional de Tucumán–UNT. Miguel Lillo 205 (4000) San Miguel de Tucumán, Tucumán, Argentina
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Digiani MC, Notarnicola J, Navone GT. Rediscovery and New Morphological Data on TwoHassalstrongylus(Nematoda: Heligmonellidae) Coparasitic in the Marsh RatHolochilus chacarius(Rodentia: Cricetidae) from Argentina. J Parasitol 2015; 101:556-64. [DOI: 10.1645/15-746] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Landaeta-Aqueveque C, Notarnicola J, Correa JP, Yáñez-Meza A, Henríquez A, Cattan PE, Botto-Mahan C, Torres-Pérez F. First record of Litomosoides pardinasi (Nematoda: Onchocercidae) in native and exotic rodents from Chile. REV MEX BIODIVERS 2014. [DOI: 10.7550/rmb.44711] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Digiani MC, Notarnicola J, Paulos MS. Mazzanema n. gen. and Mazzanema fortuita n. comb. for Longistriata fortuita Freitas, Lent, and Almeida, 1937 (Nematoda: Heligmonellidae), a parasite of the marsh rat Holochilus chacarius (Rodentia: Cricetidae) from northern Argentina. J Parasitol 2013; 99:816-20. [PMID: 23574047 DOI: 10.1645/12-148.1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
The species described as Longistriata fortuita Freitas, Lent, and Almeida, 1937 is here redescribed from new material collected from the type host, Holochilus chacarius balnearum Thomas, and the type locality, San Martín del Tabacal, Salta, Argentina. Neotypes are designed for the species since the type material deposited by the authors is lost. The original description did not include the synlophe or the female and both are here described. Several characters of the synlophe as the number of ridges (14-19), the ridges continuous and all around body, and the presence of a gradient of size of the ridges allow us to place the species within the Heligmonellidae, Nippostrongylinae. The species possesses a unique combination of characters as the synlophe having a carene together with characters of the caudal bursa as the pattern 1-3-1 and the strong development of the dorsal lobe and ray, which precludes its inclusion in any known genus of Nippostrongylinae. A new genus Mazzanema n. gen. is proposed for it, resulting in the new combination Mazzzanema fortuita n. comb.
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Affiliation(s)
- María Celina Digiani
- CONICET, División Zoología Invertebrados, Museo de La Plata, Paseo del Bosque s/n (1900) La Plata, Argentina. Correspondence should be sent to:
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Notarnicola J, Jiménez FA, Gardner SL. A New Species ofMolinema(Nematoda: Onchocercidae) in Bolivian Rodents and Emended Description ofLitomosoides esslingeriBain, Petit, and Diagne, 1989. J Parasitol 2012; 98:1200-8. [DOI: 10.1645/ge-3059.1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Digiani MC, Notarnicola J, Navone GT. The genus Guerrerostrongylus (Nematoda: Heligmonellidae) in cricetid rodents from the Atlantic rain forest of Misiones, Argentina: emended description of Guerrerostrongylus zetta (Travassos, 1937) and description of a new species. J Parasitol 2012; 98:985-91. [PMID: 22494032 DOI: 10.1645/ge-3075.1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Two species of Guerrerostrongylus Sutton and Durette-Desset, 1991, are reported in cricetid rodents from the Atlantic rain forest of Misiones, Argentina. Guerrerostrongylus zetta (Travassos, 1937) is redescribed on the basis of material collected from Oligoryzomys nigripes from Argentina and material loaned by CHIOC from Brazil. It is characterized by a synlophe with about 40-45 (35-48) well-developed cuticular ridges, caudal bursa with long rays 6 and dorsal ray divided at mid-length, and well-sclerotized spicules with marked twisting. It was found with a prevalence of 100% in O. nigripes (14 hosts examined); however, it was not found in its type host Nectomys squamipes (4 hosts examined). Guerrerostrongylus ulysi n. sp., which is described from Sooretamys angouya , differs from the remaining species in the genus mainly by a synlophe with a strong reduction of the cuticular ridges and struts on the right side, and by a heart-shaped caudal bursa, with short rays 6 and a dorsal ray divided distally. It was found with a prevalence of 100% in 5 hosts examined.
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Affiliation(s)
- María Celina Digiani
- División Zoología Invertebrados, Museo de La Plata. Paseo del Bosque s/n, (1900) La Plata, Argentina.
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Herrera EJR, Miño MH, Notarnicola J, Robles MDR. A new species of Syphacia (Nematoda: Oxyuridae) from Calomys laucha (Rodentia: Cricetidae) in an agroecosystem of central Argentina. J Parasitol 2011; 97:676-81. [PMID: 21506826 DOI: 10.1645/ge-2683.1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
A new oxyurid nematode Syphacia hodarae n. sp. is described from the cecum and rectum of the cricetid rodent Calomys laucha Fischer, 1814 (Sigmodontinae, Phyllotini), captured in an agroecosystem of central Argentina. The new species is distinguished from other members of the genus mainly by the shape of the cephalic plate, presence of cervical alae in females, absence of lateral alae, and absence of deirids. Some characters are shared with Syphacia carlitosi, a parasite of Akodon azarae from the wetlands in Argentina. However, S. hodarae can be differentiated from this species by the absence of ornamentation on the accessory hook of the gubernaculum, length of spicule and gubernaculum, size of the eggs, and distance to the vulva from the anterior end. This is the first record of a Syphacia species from the tribe Phyllotini in Argentina, and the first time a Syphacia species is reported from C. laucha .
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Affiliation(s)
- Elba Juliana Rojas Herrera
- Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón II, 4° piso C1428EGA, Buenos Aires, Argentina.
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Navone GT, Ezquiaga MC, Notarnicola J, Jiménez FA. A New Species of Cyclobulura (Nematoda: Subuluridae) from Zaedyus pichiy and Chaetophractus vellerosus (Xenarthra: Dasypodidae) in Argentina. J Parasitol 2010; 96:1191-6. [DOI: 10.1645/ge-2549.1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Notarnicola J, Digiani MC, López PM. Redescriptions of the Nematodes Litomosoides patersoni (Mazza, 1928) (Onchocercidae) and Stilestrongylus stilesi Freitas, Lent, And Almeida, 1937 (Heligmonellidae) Parasites of Holochilus chacarius (Rodentia, Cricetidae) From Salta, Argentina. J Parasitol 2010; 96:993-1001. [DOI: 10.1645/ge-2448.1] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Notarnicola J, Navone GT. Litomosoides pardinasi n. sp. (Nematoda, Onchocercidae) from two species of cricetid rodents in northern Patagonia, Argentina. Parasitol Res 2010; 108:187-94. [DOI: 10.1007/s00436-010-2051-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2010] [Accepted: 09/05/2010] [Indexed: 10/19/2022]
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Lunaschi LI, Notarnicola J. Nuevos registros de trematodos Anenterotrematidae, Lecitodendriidae y Urotrematidae en murciélagos de Argentina y redescripción de Anenterotrema liliputianum. REV MEX BIODIVERS 2010. [DOI: 10.22201/ib.20078706e.2010.002.253] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Notarnicola J, Ruíz FAJ, Gardner SL. Litomosoides (Nemata: Filarioidea) of Bats from Bolivia with Records for Three Known Species and the Description of a New Species. J Parasitol 2010; 96:775-82. [DOI: 10.1645/ge-2371.1] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Notarnicola J, Pinto CM, Navone GT. Host Occurrence and Geographical Distribution of Dipetalonema spp. (Nematoda: Onchocercidae) in Neotropical Monkeys and the First Record of Dipetalonema gracile in Ecuador. COMP PARASITOL 2008. [DOI: 10.1654/4284.1] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Notarnicola J, Agustín Jiménez F, Gardner SL. A new species of Dipetalonema (Filarioidea: Onchocercidae) from Ateles chamek from the Beni of Bolivia. J Parasitol 2007; 93:661-7. [PMID: 17626361 DOI: 10.1645/ge-962r1.1] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
We describe a new species of Dipetalonema occurring in the body cavity of Ateles chamek (Humboldt, 1812) from north-central Bolivia. Morphologic characters serving to separate Dipetalonema yatesi n. sp. from known forms include a vagina vera with a simple tube and thin walls and a left spicule, which possesses a handle shorter than the lamina (ratio 2.7); the latter displays an anterior membranous alae similar in length to the terminal flagellum, a distal extremity of the left spicule within a simple hook and a membrane, phasmids at the basis of the lappets, and heterogeneous muscles occupying the whole cavity. Dipetalonema yatesi n. sp. can be separated from Dipetalonema robini, Dipetalonema gracile, and Dipetalonema graciliformis, between other characters, in having a simple vagina vera instead of a sinuous one, and from Dipetalonema caudispina and Dipetalonema freitasi in having the lamina of the left spicule divided in a membranous alae and a terminal flagellum.
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Affiliation(s)
- Juliana Notarnicola
- Centro de Estudios Parasitológicos y de Vectores-CEPAVE CONICET UNLP, Calle 2 N6mero 584 (1900) La Plata, Argentina.
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Lareschi M, Notarnicola J, Nava S, Navone G. Parasite Community (Arthropods and Filarioids) Associated with Wild Rodents from the Marshes of La Plata River, Argentina. COMP PARASITOL 2007. [DOI: 10.1654/4208.1] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Notarnicola J. Description of adult and fourth-stage larva of Litomosoides navonae n. sp. (Nematoda: Onchocercidae), a parasite of five species of sigmodontine rodents from northeastern Argentina. Syst Parasitol 2006; 62:171-83. [PMID: 16315077 DOI: 10.1007/s11230-005-5490-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/16/2005] [Indexed: 11/26/2022]
Abstract
This study describes a new species of Litomosoides Chandler, 1931, parasitic in five different sigmodontine rodents from Misiones, Chaco and Formosa provinces of Argentina. The fourth-stage (L4) larva (male and female) is also described. L. navonae n. sp. exhibits: a bottle-shaped buccal cavity; a buccal capsule with irregularly crenate external walls; four externo-labial papillae and one ventral cephalic papilla; a well differentiated oesophagus; and sigmodontis-type spicules. The microfilaria is fusiform, with a large sheath. The L4 has a buccal capsule which is relatively longer than that of the adults, with narrower walls and a bottle-shaped lumen. It was observed in this species that the oesophagus/body-length ratio increases from larva to adult (female ratio 26.2-28.3 in larva; 88.4 in adults), and the vulva appears to move further posterior to the oesophago-intestinal junction (200-300 microm in larvae vs a mean of 600 microm in adults). L. navonae was found parasitising: Nectomys squamipes from the Reserve UNLP Valle del Arroyo Cuñá Pirú, Misiones; Oligoryzomys chacoensis, Holochilus chacarius and Akodon azarae bibianae from the marshes of Arroyo Bellaco, El Colorado, Formosa; and O. fornesi and H. chacarius from Selvas del Río de Oro (Chaco). Both N. squamipes and H. chacarius harbour other filarioids species, i.e. L. kohnae Bain, Petit & Diagne, 1989 and L. patersoni (Mazza, 1928), respectively, throughout their range, but these filarioids are readily differentiated from L. navonae. These well-differentiated filarial species found in Nectomys and Holochilus could indicate how isolated the populations of rodents are and could be interpreted either as: (a) an early point in the speciation processes that could be taking place in these hosts; or (b) extra support for the capture phenomenon theory of the evolution of Litomosoides. New regions, such as southern Brazil and northern Argentina, need to be studied in order to clarify these alternatives.
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Affiliation(s)
- Juliana Notarnicola
- Centro de Estudios Parasitológicos y de Vectores- CEPAVE, La Plata, Buenos Aires, Argentina.
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Abstract
A new species of Trichuris is described. Trichuris pardinasi n. sp. was recovered from Phyllotis xanthopygus Waterhouse (Rodentia: Muridae: Phyllotini) in Sierra de la Ventana, Buenos Aires Province, and Pampa de Achala, Córdoba Province (Argentina). This is the first record of Trichuris parasitizing Phyllotini rodents. The new species can be differentiated from the other 10 species parasitizing rodents from South America by the absence of the spicular tube, spicular sheath with spines uniformly distributed, the length of spicule, the J-shaped proximal cloacal tube, and the nonprotrusive vulva. Also, a description of the bacillary band is provided. The present and the future findings of shared parasite fauna from both populations of P. xanthopygus in these disjunct areas will support the hypothesis of a continuous distribution of this host species at a past time.
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Affiliation(s)
- Maria del Rosario Robles
- Centro de Estudios Parasitológicos y de Vectores, CONICET-UNLP, Calle 2 # 584 (1900) La Plata, Argentina.
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Lareschi M, Notarnicola J, Navone G, Linardi PM. Arthropod and filarioid parasites associated with wild rodents in the northeast marshes of Buenos Aires, Argentina. Mem Inst Oswaldo Cruz 2003; 98:673-7. [PMID: 12973536 DOI: 10.1590/s0074-02762003000500015] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
During 1995, 16 species of arthropods and 2 species of filarioids, totaling 1 287 specimens were collected from 64 wild rodents captured in the Hudson Natural Reserve, Buenos Aires, Argentina. Infestation parameters and indexes were analyzed. Host specific richness was S = 6, diversity H = 1.48, and relative density RDI = 40%. High values of parasite species richness and diversity were found on Oligoryzomys delticola (S = 9; H = 1.40), Oxymycterus rufus (S = 9; H = 1.37), and Oligoryzomys flavescens (S = 9; H = 1.28), followed by Scapteromys aquaticus (S = 6; H = 0.17), and Akodon azarae (S = 4; H = 1.20). Deltamys kempi was infested only by Androlaelaps rotundus. O. delticola and O. flavescens showed the highest similarity index (O = 74.19%), followed by O. flavescens with S. aquaticus, as a result of historical processes and shared microhabitats. Considering arthropods-filarioids associations, significant affinity was observed in Litomosoides bonaerensis with Hoplopleura travassosi, Laelaps paulistanensis, and Gigantolaelaps wolffsohni.
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Affiliation(s)
- Marcela Lareschi
- Centro de Estudios Parasitol gicos y de Vectores, Buenos Aires, Argentina
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Notarnicola J, Navone G. A new species, Litomosoides odilae n. sp (Nematoda: Onchocercidae) from Oligoryzomys nigripes (Rodentia: Muridae) in the rainforest of Misiones, Argentina. J Parasitol 2002; 88:967-71. [PMID: 12435138 DOI: 10.1645/0022-3395(2002)088[0967:anslon]2.0.co;2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
A new species of Litomosoides was collected from the abdominal cavity of Oligoryzomys nigripes (Rodentia: Muridae) in a semideciduous secondary rainforest of Misiones, Argentina. Litomosoides odilae n. sp. belongs to the carinii group and is characterized by the amphids displaced dorsally; buccal capsule with an anterior segment transparent and an annular asymmetrical thickening; esophagus divided, with the posterior glandular portion slightly wider than the muscular; male cloacal aperture strongly protruded; and microfilaria sheathed with an attenuated tail. The morphology of the new species, which is similar to that of L petteri, a parasite of marsupials in Brazil, suggests that host-switching events may have occurred in the diversification of this genus.
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Affiliation(s)
- Juliana Notarnicola
- Centro de Estudios Parasitológicos y de Vectores-CEPAVE, La Plata, Argentina.
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Notarnicola J, Navone G. A New Species, Litomosoides odilae n. sp. (Nematoda: Onchocercidae) from Oligoryzomys nigripes (Rodentia: Muridae) in the Rainforest of Misiones, Argentina. J Parasitol 2002. [DOI: 10.2307/3285539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Notarnicola J, Bain O, Navone G. Litomosoides anguyai n. sp. (Nematoda: Onchocercidae) from Oxymycterus misionalis (Rodentia: Muridae) in the rain forest of Misiones, Argentina. Syst Parasitol 2002; 52:129-35. [PMID: 12075131 DOI: 10.1023/a:1015632232464] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
A new species of Litomosoides is described from sigmodontine murids occurring in the rain forests of Misiones, Argentina. Litomosoides anguyai n. sp., a parasite of the abdominal cavity of Oxymycterus misionalis, belongs to the sigmodontis group and is closely related to L. legerae and L. oxymycteri. The new species is differentiated by the salient amphids, an asymmetrical annular thickening of the buccal capsule, by the arrangement of the head and tail papillae, and the shape and size of the microfilaria.
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Affiliation(s)
- Juliana Notarnicola
- Centro de Estudios Parasitológicos y de Vectores - CEPAVE, Calle 2 # 584 (1900) La Plata, Argentina
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Notarnicola J, Bain O, Navone GT. Two New Species of Litomosoides (Nematoda: Filarioidea) in Sigmodontines (Rodentia: Muridae) from Rio de La Plata Marshland, Argentina. J Parasitol 2000. [DOI: 10.2307/3285020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Notarnicola J, Bain O, Navone GT. Two new species of Litomosoides (Nematoda: Filarioidea) in Sigmodontines (Rodentia: Muridae) from Rio de La Plata marshland, Argentina. J Parasitol 2000; 86:1318-25. [PMID: 11191910 DOI: 10.1645/0022-3395(2000)086[1318:tnsoln]2.0.co;2] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Two new species of coelomic filarioid belonging to Litomosoides are described from sigmodontine murids from the Rio de La Plata marshland, Argentina. Litomosoides bonaerensis n. sp., a parasite of Oligoryzomys delticola, belongs to the carinii group and is close to L. silvai, which differs by the head and tail papillae, buccal capsule and cavity, area rugosa, and morphology of the microfilaria. Litomosoides oxymycteri n. sp., from Oxymycterus rufus, belongs to the sigmodontis group. Differential diagnosis is based on the morphology of the buccal capsule, the head and tail papillae, and microfilaria. The ectoparasitic gamasid Ornithonyssus bacoti, in which several Litomosoides species develop, has been recovered from sigmodontines trapped in the study.
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Affiliation(s)
- J Notarnicola
- Centro de Estudios Parasitológicos y de Vectores, CEPAVE-CONICET, La Plata, Argentina
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