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Introduction of Varroa destructor has not altered honey bee queen mating success in the Hawaiian archipelago. Sci Rep 2021; 11:1366. [PMID: 33446846 PMCID: PMC7809478 DOI: 10.1038/s41598-020-80525-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 12/22/2020] [Indexed: 11/08/2022] Open
Abstract
Beekeepers struggle to minimize the mortality of their colonies as a consequence of the parasitic mite Varroa destructor in order to maintain a sustainable managed pollinator population. However, little is known about how varroa mites might diminish local populations of honey bee males (drones) that might affect the mating success of queens. As one of the world's last localities invaded by varroa mites, the Hawaiian Islands offer a unique opportunity to examine this question by comparing queens mated on mite-infested and mite-free islands. We raised queen bees on four Hawaiian Islands (Kaua'i, O'ahu, Maui, and Hawai'i) and subsequently collected their offspring to determine queen mating frequency and insemination success. No significant difference for mating success was found between the islands with and without varroa mites, and relatively high levels of polyandry was detected overall. We also found a significant association between the number of sperm stored in the queens' spermathecae and the number of managed colonies within the localities of the queens mated. Our findings suggest that varroa mites, as they currently occur in Hawai'i, may not significantly reduce mating success of honey bee queens, which provides insight for both the reproductive biology of honey bees as well as the apiculture industry in Hawai'i.
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Acevedo‐Gonzalez JP, Galindo‐Cardona A, Avalos A, Whitfield CW, Rodriguez DM, Uribe‐Rubio JL, Giray T. Colonization history and population differentiation of the Honey Bees ( Apis mellifera L.) in Puerto Rico. Ecol Evol 2019; 9:10895-10902. [PMID: 31641443 PMCID: PMC6802029 DOI: 10.1002/ece3.5330] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 05/20/2019] [Accepted: 05/21/2019] [Indexed: 11/25/2022] Open
Abstract
Honey bees (Apis mellifera L.) are the primary commercial pollinators across the world. The subspecies A. m. scutellata originated in Africa and was introduced to the Americas in 1956. For the last 60 years, it hybridized successfully with European subspecies, previous residents in the area. The result of this hybridization was called Africanized honey bee (AHB). AHB has spread since then, arriving to Puerto Rico (PR) in 1994. The honey bee population on the island acquired a mosaic of features from AHB or the European honey bee (EHB). AHB in Puerto Rico shows a major distinctive characteristic, docile behavior, and is called gentle Africanized honey bees (gAHB). We used 917 SNPs to examine the population structure, genetic differentiation, origin, and history of range expansion and colonization of gAHB in PR. We compared gAHB to populations that span the current distribution of A. mellifera worldwide. The gAHB population is shown to be a single population that differs genetically from the examined populations of AHB. Texas and PR groups are the closest genetically. Our results support the hypothesis that the Texas AHB population is the source of gAHB in Puerto Rico.
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Affiliation(s)
| | - Alberto Galindo‐Cardona
- National Scientific and Technical Research Council (CONICET)TucumanArgentina
- Miguel Lillo FoundationTucumánArgentina
| | - Arian Avalos
- USDA, Agricultural Research ServiceHoney Bee Breeding, Genetics and Physiology ResearchBaton RougeLouisiana
- Department of EntomologyUniversity of Illinois at Urbana‐ChampaignUrbanaIllinois
| | - Charles W. Whitfield
- Department of EntomologyUniversity of Illinois at Urbana‐ChampaignUrbanaIllinois
| | | | | | - Tugrul Giray
- Department of BiologyUniversity of Puerto RicoSan JuanPuerto Rico
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Utzeri VJ, Schiavo G, Ribani A, Bertolini F, Bovo S, Fontanesi L. A next generation sequencing approach for targeted Varroa destructor (Acari: Varroidae) mitochondrial DNA analysis based on honey derived environmental DNA. J Invertebr Pathol 2019; 161:47-53. [PMID: 30707918 DOI: 10.1016/j.jip.2019.01.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Revised: 01/26/2019] [Accepted: 01/28/2019] [Indexed: 11/19/2022]
Abstract
Honey contains DNA from many different organisms that are part of hive micro-environmental niches and honey bee pathospheres. In this study, we recovered and sequenced mite mitochondrial DNA (mtDNA) from honey from different locations around the world (Europe, Asia, Africa, North and South America). DNA extracted from 17 honey samples was amplified with eight primer pairs targeting three mite mtDNA genes, obtaining 88 amplicons that were sequenced with an Ion Torrent sequencing platform. A bioinformatic pipeline compared produced reads with Varroa spp. mtDNA sequence entries available in GenBank and assigned them to different mitotypes. In all honey samples, the highest percentage of reads was attributed to the K1 lineage, including a few variants derived from it, in addition to J1 reads observed in the two South American samples and C1-1 reads obtained from the Chinese honey. This study opens new possibilities to analyse mite lineages and variants and monitor their geographical and temporal distribution, simplifying surveillance against this damaging honey bee parasite.
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Affiliation(s)
- Valerio Joe Utzeri
- Department of Agricultural and Food Sciences, University of Bologna, Viale Fanin 46, 40127 Bologna, Italy
| | - Giuseppina Schiavo
- Department of Agricultural and Food Sciences, University of Bologna, Viale Fanin 46, 40127 Bologna, Italy
| | - Anisa Ribani
- Department of Agricultural and Food Sciences, University of Bologna, Viale Fanin 46, 40127 Bologna, Italy
| | - Francesca Bertolini
- Department of Agricultural and Food Sciences, University of Bologna, Viale Fanin 46, 40127 Bologna, Italy; National Institute of Aquatic Resources, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | - Samuele Bovo
- Department of Agricultural and Food Sciences, University of Bologna, Viale Fanin 46, 40127 Bologna, Italy
| | - Luca Fontanesi
- Department of Agricultural and Food Sciences, University of Bologna, Viale Fanin 46, 40127 Bologna, Italy.
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4
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What Is the Value of Wild Bee Pollination for Wild Blueberries and Cranberries, and Who Values It? ENVIRONMENTS 2018. [DOI: 10.3390/environments5090098] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Pollinator conservation efforts and growing interest in wild bee pollination have increased markedly in the last decade, making it increasingly important to have clear and practical estimates of the value of pollinators to agriculture. We used agricultural statistics, socio-economic producer surveys, and agronomic field research data to estimate traditional pollination value metrics and create novel approaches to the valuation of the ecosystem services provided by wild pollinators. Using two regionally important United States (USA) crops—Maine wild blueberry and Massachusetts cranberry—as models, we present the perceived values of wild bee pollinators from the perspectives of both consumers and producers. The net income attributable to wild bees was similar for wild blueberry ($613/ha) and cranberry ($689/ha). Marginal profit from incrementally adding more hives per ha was greater from stocking a third/fourth hive for cranberry ($6206/ha) than stocking a ninth/10th hive for wild blueberry ($556/ha), given the greater initial responsiveness of yield, revenue, and profit using rented honey bee hives in cranberry compared with wild blueberry. Both crops’ producers were willing to annually invest only $140–188/ha in wild pollination enhancements on their farms, justifying government financial support. Consumers are willing to pay ≈6.7 times more to support wild bees than producers, which indicates a potential source for market-based subsidies for invertebrate conservation.
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O'Neal ST, Anderson TD, Wu-Smart JY. Interactions between pesticides and pathogen susceptibility in honey bees. CURRENT OPINION IN INSECT SCIENCE 2018; 26:57-62. [PMID: 29764661 DOI: 10.1016/j.cois.2018.01.006] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2017] [Revised: 01/08/2018] [Accepted: 01/18/2018] [Indexed: 06/08/2023]
Abstract
There exist a variety of factors that negatively impact the health and survival of managed honey bee colonies, including the spread of parasites and pathogens, loss of habitat, reduced availability or quality of food resources, climate change, poor queen quality, changing cultural and commercial beekeeping practices, as well as exposure to agricultural and apicultural pesticides both in the field and in the hive. These factors are often closely intertwined, and it is unlikely that a single stressor is driving colony losses. There is a growing consensus, however, that increasing prevalence of parasites and pathogens are among the most significant threats to managed bee colonies. Unfortunately, improper management of hives by beekeepers may exacerbate parasite populations and disease transmission. Furthermore, research continues to accumulate that describes the complex and largely harmful interactions that exist between pesticide exposure and bee immunity. This brief review summarizes our progress in understanding the impact of pesticide exposure on bees at the individual, colony, and community level.
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Affiliation(s)
- Scott T O'Neal
- Department of Entomology, University of Nebraska, Lincoln, NE, USA
| | - Troy D Anderson
- Department of Entomology, University of Nebraska, Lincoln, NE, USA
| | - Judy Y Wu-Smart
- Department of Entomology, University of Nebraska, Lincoln, NE, USA.
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Kelomey AE, Paraiso A, Sina H, Legout H, Garnery L, Baba-Moussa L. Genetic characterization of the honeybee ectoparasitic mite Varroa destructor from Benin (West Africa) using mitochondrial and microsatellite markers. EXPERIMENTAL & APPLIED ACAROLOGY 2017; 72:61-67. [PMID: 28540471 DOI: 10.1007/s10493-017-0141-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2017] [Accepted: 05/19/2017] [Indexed: 06/07/2023]
Abstract
Varroa destructor is one of the scourges of global beekeeping. It was detected for the first time in Benin in 2011 on the honeybee Apis mellifera adansonii. The aim of this study was to identify the strain of Varroa sp. found and study its genetic diversity. In total 183 Varroa mites were sampled in 21 municipalities in Benin. The COI intergenic region of each mite mtDNA was amplified by PCR. The SacI restriction enzyme was used to determine the strains of Varroa sp. Only the Korean (K) haplotype, identical to the most prevalent strain in Africa, was detected. Analysis of the genetic diversity of Varroa mites with eight microsatellite loci (Simple Sequence Repeats) indicated a very low diversity of genotypes. Thus, V. destructor populations from Benin appear to make up a single group. Their clonal wealth ranges from 0.00 to 0.47. This study is an important step forward in the monitoring of the infestation of V. destructor.
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Affiliation(s)
- Aude E Kelomey
- Laboratoire de Biologie et de Typage Moléculaire en Microbiologie, Faculté des Sciences et Techniques/Université d'Abomey-Calavi, 05 BP 1604, Cotonou, Benin
- Laboratoire de Protection des Végétaux, de Pathologie et Parasitologie des abeilles, Parakou, Benin
| | - Armand Paraiso
- Faculté des Sciences Agronomiques, Université de Parakou, Parakou, Benin
- Laboratoire de Protection des Végétaux, de Pathologie et Parasitologie des abeilles, Parakou, Benin
| | - Haziz Sina
- Laboratoire de Biologie et de Typage Moléculaire en Microbiologie, Faculté des Sciences et Techniques/Université d'Abomey-Calavi, 05 BP 1604, Cotonou, Benin
| | - Hélène Legout
- Laboratoire Evolution Génome Comportement Ecologie (EGCE) UMR 9191, Gif sur-Yvette, France
| | - Lionel Garnery
- Laboratoire Evolution Génome Comportement Ecologie (EGCE) UMR 9191, Gif sur-Yvette, France
| | - Lamine Baba-Moussa
- Laboratoire de Biologie et de Typage Moléculaire en Microbiologie, Faculté des Sciences et Techniques/Université d'Abomey-Calavi, 05 BP 1604, Cotonou, Benin.
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Gajić B, Stevanović J, Radulović Ž, Kulišić Z, Vejnović B, Glavinić U, Stanimirović Z. Haplotype identification and detection of mitochondrial DNA heteroplasmy in Varroa destructor mites using ARMS and PCR-RFLP methods. EXPERIMENTAL & APPLIED ACAROLOGY 2016; 70:287-297. [PMID: 27631761 DOI: 10.1007/s10493-016-0086-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Accepted: 08/08/2016] [Indexed: 06/06/2023]
Abstract
In the present study, amplification refractory mutation system (ARMS) and polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) methods were used for identification of recently described Serbia 1 (S1) and Peshter 1 (P1) mitochondrial haplotypes of Varroa destructor. Based on single nucleotide polymorphisms (SNPs) within cytochrome oxidase 1 (cox1) and cytochrome b (cytb) gene sequences, a total of 64 adult V. destructor females were analyzed from locations where the S1 and P1 haplotypes had been detected previously. Results of haplotype identification obtained by ARMS and PCR-RFLP methods were completely consistent with the sequencing data. Furthermore, in some analyzed samples the occurrence of site heteroplasmy at haplotype-defining sites was detected, as it was confirmed by double peaks in the sequence chromatograms. Neither mites with simultaneous nucleotide variability, nor those with combined SNP and heteroplasmy in cox1 and cytb were found. Given that this is the first occurrence of site heteroplasmy in V. destructor, the origin of this phenomenon and possible specific traits of heteroplasmic mites have yet to be determined.
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Affiliation(s)
- Bojan Gajić
- Department of Parasitology, Faculty of Veterinary Medicine, University of Belgrade, Bul. oslobodjenja 18, Belgrade, 11000, Serbia.
| | - Jevrosima Stevanović
- Department of Biology, Faculty of Veterinary Medicine, University of Belgrade, Bul. oslobodjenja 18, Belgrade, 11000, Serbia
| | - Željko Radulović
- Laboratory for Medical Entomology, Department for Parasitology, Center of Exellence for Toxoplasmosis and Medical Entomology, Institute for Medical Research, University of Belgrade, Dr. Subotića 4, POB 102, Belgrade, 11129, Serbia
| | - Zoran Kulišić
- Department of Parasitology, Faculty of Veterinary Medicine, University of Belgrade, Bul. oslobodjenja 18, Belgrade, 11000, Serbia
| | - Branislav Vejnović
- Department of Biology, Faculty of Veterinary Medicine, University of Belgrade, Bul. oslobodjenja 18, Belgrade, 11000, Serbia
| | - Uroš Glavinić
- Department of Biology, Faculty of Veterinary Medicine, University of Belgrade, Bul. oslobodjenja 18, Belgrade, 11000, Serbia
| | - Zoran Stanimirović
- Department of Biology, Faculty of Veterinary Medicine, University of Belgrade, Bul. oslobodjenja 18, Belgrade, 11000, Serbia
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8
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Wilfert L, Long G, Leggett HC, Schmid-Hempel P, Butlin R, Martin SJM, Boots M. Deformed wing virus is a recent global epidemic in honeybees driven by Varroa mites. Science 2016; 351:594-7. [DOI: 10.1126/science.aac9976] [Citation(s) in RCA: 297] [Impact Index Per Article: 37.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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9
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Zaluski R, Kadri SM, Alonso DP, Martins Ribolla PE, de Oliveira Orsi R. Fipronil promotes motor and behavioral changes in honey bees (Apis mellifera) and affects the development of colonies exposed to sublethal doses. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2015; 34:1062-1069. [PMID: 25703042 DOI: 10.1002/etc.2889] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2014] [Revised: 11/11/2014] [Accepted: 01/08/2015] [Indexed: 06/04/2023]
Abstract
Bees play a crucial role in pollination and generate honey and other hive products; therefore, their worldwide decline is cause for concern. New broad-spectrum systemic insecticides such as fipronil can harm bees and their use has been discussed as a potential threat to bees' survival. In the present study, the authors evaluate the in vitro toxicity of fipronil and note behavioral and motor activity changes in Africanized adult Apis mellifera that ingest or come into contact with lethal or sublethal doses of fipronil. The effects of sublethal doses on brood viability, population growth, behavior, and the expression of the defensin 1 gene in adult bees were studied in colonies fed with contaminated sugar syrup (8 µg fipronil L(-1) ). Fipronil is highly toxic to bees triggering agitation, seizures, tremors, and paralysis. Bees that are exposed to a lethal or sublethal doses showed reduced motor activity. The number of eggs that hatched, the area occupied by worker eggs, and the number of larvae and pupae that developed were reduced, adult bees showed lethargy, and colonies were abandoned when they were exposed to sublethal doses of fipronil. No change was seen in the bees' expression of defensin 1. The authors conclude that fipronil is highly toxic to honey bees and even sublethal doses may negatively affect the development and maintenance of colonies.
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Affiliation(s)
- Rodrigo Zaluski
- Núcleo de Ensino, Ciência e Tecnologia em Apicultura Racional (NECTAR), Departamento de Produção Animal, Faculdade de Medicina Veterinária e Zootecnia, UNESP Univ Estadual Paulista, Botucatu, Botucatu, São Paulo, Brazil
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10
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Gajic B, Radulovic Z, Stevanovic J, Kulisic Z, Vucicevic M, Simeunovic P, Stanimirovic Z. Variability of the honey bee mite Varroa destructor in Serbia, based on mtDNA analysis. EXPERIMENTAL & APPLIED ACAROLOGY 2013; 61:97-105. [PMID: 23471517 DOI: 10.1007/s10493-013-9683-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2012] [Accepted: 02/26/2013] [Indexed: 06/01/2023]
Abstract
Only two mitochondrial haplotypes (Korea and Japan) of Varroa destructor, the ectoparasitic honey bee mite, are known to be capable of infesting and successfully reproducing in Apis mellifera colonies worldwide. Varroa destructor (then called Varroa jacobsoni) was observed in Serbia for the first time in 1976. In order to obtain insight into the genetic variability of the mites parasitizing A. mellifera we analyzed 45 adult female mites sampled from nine localities dispersed throughout Serbia. Four fragments within cox1, atp6, cox3 and cytb mtDNA genes were sequenced. The Korea haplotype of V. destructor was found to be present at all localities, but also two new haplotypes (Serbia 1 and Peshter 1) were revealed, based on cox1 and cytb sequence variability. The simultaneous occurrence of Korea and Serbia 1 haplotypes was observed at five localities, whereas Peshter 1 haplotype was identifed at only one place.
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Affiliation(s)
- Bojan Gajic
- Department of Parasitology, Faculty of Veterinary Medicine, University of Belgrade, Bul. Oslobodjenja 18, 11000 Belgrade, Serbia.
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11
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Ugelvig LV, Cremer S. Effects of social immunity and unicoloniality on host-parasite interactions in invasive insect societies. Funct Ecol 2012. [DOI: 10.1111/1365-2435.12013] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Line V. Ugelvig
- IST Austria (Institute of Science and Technology Austria); Am Campus 1, A-3400 Klosterneuburg Austria
| | - Sylvia Cremer
- IST Austria (Institute of Science and Technology Austria); Am Campus 1, A-3400 Klosterneuburg Austria
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12
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Rivera-Marchand B, Oskay D, Giray T. Gentle Africanized bees on an oceanic island. Evol Appl 2012; 5:746-56. [PMID: 23144660 PMCID: PMC3492899 DOI: 10.1111/j.1752-4571.2012.00252.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2012] [Accepted: 01/20/2012] [Indexed: 11/29/2022] Open
Abstract
Oceanic islands have reduced resources and natural enemies and potentially affect life history traits of arriving organisms. Among the most spectacular invasions in the Western hemisphere is that of the Africanized honeybee. We hypothesized that in the oceanic island Puerto Rico, Africanized bees will exhibit differences from the mainland population such as for defensiveness and other linked traits. We evaluated the extent of Africanization through three typical Africanized traits: wing size, defensive behavior, and resistance to Varroa destructor mites. All sampled colonies were Africanized by maternal descent, with over 65% presence of European alleles at the S-3 nuclear locus. In two assays evaluating defense, Puerto Rican bees showed low defensiveness similar to European bees. In morphology and resistance to mites, Africanized bees from Puerto Rico are similar to other Africanized bees. In behavioral assays on mechanisms of resistance to Varroa, we directly observed that Puerto Rican Africanized bees groomed-off and bit the mites as been observed in other studies. In no other location, Africanized bees have reduced defensiveness while retaining typical traits such as wing size and mite resistance. This mosaic of traits that has resulted during the invasion of an oceanic island has implications for behavior, evolution, and agriculture.
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Affiliation(s)
- Bert Rivera-Marchand
- Department of Science and Mathematics, Inter American University of Puerto Rico Bayamón, PR, USA ; Department of Biology, University of Puerto Rico San Juan, PR, USA
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13
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Maggi M, Medici S, Quintana S, Ruffinengo S, Marcángeli J, Gimenez Martinez P, Fuselli S, Eguaras M. Genetic structure of Varroa destructor populations infesting Apis mellifera colonies in Argentina. EXPERIMENTAL & APPLIED ACAROLOGY 2012; 56:309-318. [PMID: 22349941 DOI: 10.1007/s10493-012-9526-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2011] [Accepted: 02/02/2012] [Indexed: 05/31/2023]
Abstract
Although mitochondrial DNA mapping of Varroa destructor revealed the presence of several haplotypes, only two of them (Korean and Japanese haplotypes) were capable to infest Apis mellifera populations. Even though the Korean haplotype is the only one that has been reported in Argentina, these conclusions were based on mites sampled in apiaries from a specific geographical place (Buenos Aires province). To study mites from several sites of Argentina could reveal the presence of the Japanese genotype, especially considering sites near to Brazil, where Japanese haplotype was already detected. The aim of this work was to study the genetic structure of V. destructor populations from apiaries located in various provinces of Argentina, in order to determine the presence of different haplotypes. The study was carried out between January 2006 and December 2009. Phoretic adult Varroa mites were collected from honey bee workers sampled from colonies of A. mellifera located in Entre Ríos, Buenos Aires, Corrientes, Río Negro, Santa Cruz and Neuquén provinces. Twenty female mites from each sampling site were used to carry out the genetic analysis. For DNA extraction a nondestructive method was used. DNA sequences were compared to Korean haplotype (AF106899) and Japanese haplotype (AF106897). All DNA sequences obtained from mite populations sampled in Argentina, share 98% of similitude with Korean Haplotype (AF106899). Taking into account these results, we are able to conclude that Korean haplotype is cosmopolite in Argentina.
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Affiliation(s)
- M Maggi
- Laboratorio de Artrópodos, Universidad Nacional de Mar del Plata, Mar del Plata, Argentina.
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14
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Guerra JCV, Issa MRC, Carneiro FE, Strapazzon R, Moretto G. RAPD identification of Varroa destructor genotypes in Brazil and other regions of the Americas. GENETICS AND MOLECULAR RESEARCH 2010; 9:303-8. [PMID: 20198586 DOI: 10.4238/vol9-1gmr696] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The mite Varroa destructor is the main pest causing damage to apiculture worldwide. In Brazil and other parts of the world, where bees of African origin and their hybrids predominate, the bees can survive these mites without treatment. Studies have shown a correlation between the various genotypes of the mite and its fertility in different geographical regions. Information about mite genotype could be helpful in understanding the diverse effects and relationships of the mite with bees in different regions of the world. DNA analysis by RAPD technique has permitted identification of three distinct genotypes in the mite V. destructor, namely Russian, Japanese and Papua New Guinea. We found predominance of the Russian genotype in Brazil, along with other parts of South America, and in Cuba and Mexico. The Japanese genotype was exclusively found on Fernando de Noronha Island in Brazil.
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Affiliation(s)
- J C V Guerra
- Departamento de Ciências Naturais, Universidade Regional de Blumenau, Blumenau, SC, Brasil.
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15
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Cook DC, Thomas MB, Cunningham SA, Anderson DL, De Barro PJ. Predicting the economic impact of an invasive species on an ecosystem service. ECOLOGICAL APPLICATIONS : A PUBLICATION OF THE ECOLOGICAL SOCIETY OF AMERICA 2007; 17:1832-40. [PMID: 17913144 DOI: 10.1890/06-1632.1] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Quantifying the impact of alien invasive species on ecosystem services is an essential step in developing effective practices and policy for invasive species management. Here we develop a stochastic bioeconomic model that enables the economic impact of an invasive pest to be estimated before its arrival, based on relatively poorly specified ecological and economic parameters. We developed the model by using a hypothetical invasion of the varroa bee mite (Varroa destructor) into Australia and the negative flow-on effects that it would have on pollination by reducing honey bee populations, giving rise to a loss of pollination services, reduced crop yields, and additional production costs. If the mite were to continue to be prevented from entering the country over the next 30 years, we estimate that the economic costs avoided would be U.S. $16.4-38.8 million (Aus $21.3-50.5 million) per year. We suggest that current invasion response funding arrangements in Australia, which do not acknowledge these avoided damages, require amendment.
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Affiliation(s)
- David C Cook
- CSIRO Entomology, Black Mountain, GPO Box 1700, Canberra ACT 2601, Australia.
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16
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Cornuet JM, Beaumont MA, Estoup A, Solignac M. Inference on microsatellite mutation processes in the invasive mite, Varroa destructor, using reversible jump Markov chain Monte Carlo. Theor Popul Biol 2005; 69:129-44. [PMID: 16257428 DOI: 10.1016/j.tpb.2005.07.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2005] [Revised: 07/10/2005] [Accepted: 07/18/2005] [Indexed: 10/25/2022]
Abstract
Varroa destructor is a parasitic mite of the Eastern honeybee Apis cerana. Fifty years ago, two distinct evolutionary lineages (Korean and Japanese) invaded the Western honeybee Apis mellifera. This haplo-diploid parasite species reproduces mainly through brother-sister matings, a system which largely favors the fixation of new mutations. In a worldwide sample of 225 individuals from 21 locations collected on Western honeybees and analyzed at 19 microsatellite loci, a series of de novo mutations was observed. Using historical data concerning the invasion, this original biological system has been exploited to compare three mutation models with allele size constraints for microsatellite markers: stepwise (SMM) and generalized (GSM) mutation models, and a model with mutation rate increasing exponentially with microsatellite length (ESM). Posterior probabilities of the three models have been estimated for each locus individually using reversible jump Markov Chain Monte Carlo. The relative support of each model varies widely among loci, but the GSM is the only model that always receives at least 9% support, whatever the locus. The analysis also provides robust estimates of mutation parameters for each locus and of the divergence time of the two invasive lineages (67,000 generations with a 90% credibility interval of 35,000-174,000). With an average of 10 generations per year, this divergence time fits with the last post-glacial Korea-Japan land separation.
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Affiliation(s)
- J M Cornuet
- Centre de Biologie et de Gestion des Populations Institut National de la Recherche Agronomique, Campus International de Baillarguet, CS 30016 Montferrier-sur-Lez, 34988 Saint-Gély-du-Fesc, Cedex, France.
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Pinto MA, Rubink WL, Patton JC, Coulson RN, Johnston JS. Africanization in the United States: replacement of feral European honeybees (Apis mellifera L.) by an African hybrid swarm. Genetics 2005; 170:1653-65. [PMID: 15937139 PMCID: PMC1449774 DOI: 10.1534/genetics.104.035030] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The expansion of Africanized honeybees from South America to the southwestern United States in <50 years is considered one of the most spectacular biological invasions yet documented. In the American tropics, it has been shown that during their expansion Africanized honeybees have low levels of introgressed alleles from resident European populations. In the United States, it has been speculated, but not shown, that Africanized honeybees would hybridize extensively with European honeybees. Here we report a continuous 11-year study investigating temporal changes in the genetic structure of a feral population from the southern United States undergoing Africanization. Our microsatellite data showed that (1) the process of Africanization involved both maternal and paternal bidirectional gene flow between European and Africanized honeybees and (2) the panmitic European population was replaced by panmitic mixtures of A. m. scutellata and European genes within 5 years after Africanization. The post-Africanization gene pool (1998-2001) was composed of a diverse array of recombinant classes with a substantial European genetic contribution (mean 25-37%). Therefore, the resulting feral honeybee population of south Texas was best viewed as a hybrid swarm.
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Affiliation(s)
- M Alice Pinto
- Department of Entomology, Texas A&M University, College Station, Texas 77843-2475, USA.
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Solignac M, Cornuet JM, Vautrin D, Le Conte Y, Anderson D, Evans J, Cros-Arteil S, Navajas M. The invasive Korea and Japan types of Varroa destructor, ectoparasitic mites of the Western honeybee (Apis mellifera), are two partly isolated clones. Proc Biol Sci 2005; 272:411-9. [PMID: 15734696 PMCID: PMC1634981 DOI: 10.1098/rspb.2004.2853] [Citation(s) in RCA: 116] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Varroa destructor, now a major pest of the Western honeybee, Apis mellifera, switched from its original host, the Eastern honeybee, A. cerana, ca. 50 years ago. So far, only two out of several known mitochondrial haplotypes of V. destructor have been found to be capable of reproducing on A. mellifera (Korea and Japan). These haplotypes are associated in almost complete cytonuclear disequilibrium to diagnostic alleles at 11 microsatellite loci. By contrast, microsatellite polymorphism within each type is virtually absent, because of a severe bottleneck at the time of host change. Accordingly, 12 mitochondrial sequences of 5185 nucleotides displayed 0.40% of nucleotide divergence between haplotypes and no intra haplotype variation. Hence, each type has a quasi-clonal structure. The nascent intratype variability is subsequent to the clone formation 50 years ago: in both types the variant alleles differ from the most common by one (in 10 cases), two (five cases) or three (one case) repeated motifs. In addition to individuals of the two 'pure' types, five F1 hybrids and 19 recombinant individuals (Japan alleles introgressed into the Korea genetic background) were detected. The existence of F1 and recombinant individuals in admixed populations requires that double infestations of honeybee cells occur in a high proportion but the persistence of pure types suggests a post-zygotic isolation between the two clones.
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Affiliation(s)
- Michel Solignac
- Laboratoire Populations, Génétique et Evolution, CNRS, F91198 Gif-sur-Yvette cedex, France.
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Pinto MA, Rubink WL, Coulson RN, Patton JC, Johnston JS. TEMPORAL PATTERN OF AFRICANIZATION IN A FERAL HONEYBEE POPULATION FROM TEXAS INFERRED FROM MITOCHONDRIAL DNA. Evolution 2004; 58:1047-55. [PMID: 15212385 DOI: 10.1111/j.0014-3820.2004.tb00438.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The invasion of Africanized honeybees (Apis mellifera L.) in the Americas provides a window of opportunity to study the dynamics of secondary contact of subspecies of bees that evolved in allopatry in ecologically distinctive habitats of the Old World. We report here the results of an 11-year mitochondrial DNA survey of a feral honeybee population from southern United States (Texas). The mitochondrial haplotype (mitotype) frequencies changed radically during the 11-year study period. Prior to immigration of Africanized honeybees, the resident population was essentially of eastern and western European maternal ancestry. Three years after detection of the first Africanized swarm there was a mitotype turnover in the population from predominantly eastern European to predominantly A. m. scutellata (ancestor of Africanized honeybees). This remarkable change in the mitotype composition coincided with arrival of the parasitic mite Varroa destructor, which was likely responsible for severe losses experienced by colonies of European ancestry. From 1997 onward the population stabilized with most colonies of A. m. scutellata maternal origin.
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Affiliation(s)
- M Alice Pinto
- Knowledge Engineering Laboratory, Department of Entomology, Texas A&M University, College Station, Texas 77843-2475, USA.
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Pinto MA, Rubink WL, Coulson RN, Patton JC, Johnston JS. TEMPORAL PATTERN OF AFRICANIZATION IN A FERAL HONEYBEE POPULATION FROM TEXAS INFERRED FROM MITOCHONDRIAL DNA. Evolution 2004. [DOI: 10.1554/03-334] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Solignac M, Vautrin D, Pizzo A, Navajas M, Le Conte Y, Cornuet JM. Characterization of microsatellite markers for the apicultural pest Varroa destructor (Acari: Varroidae) and its relatives. ACTA ACUST UNITED AC 2003. [DOI: 10.1046/j.1471-8286.2003.00510.x] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Vandame R, Colin ME, Morand S, Otero-Colina G. Levels of compatibility in a new host-parasite association: Apis mellifera/Varroa jacobsoni. CAN J ZOOL 2000. [DOI: 10.1139/z00-109] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
We investigated the relationships between the honey bee, Apis mellifera, and the parasitic mite Varroa jacobsoni in Mexico. In an 18-month survey of European honey bees (EHB) and Africanized honey bees (AHB), we showed that EHB were highly compatible with V. jacobsoni, while AHB were not as compatible. Furthermore, mite infertility ("parasite infectivity" factor), suspected to be the main factor of low AHB/V. jacobsoni compatibility in Brazil, was not observed in Mexico. The "intrinsic rate of natural increase" of mites did not differ significantly between host subspecies, indicating that the cause of low compatibility appears only at high parasite densities. The "carrying capacity" was twice as high in EHB as in AHB, indicating that the cause of low compatibility is possibly linked to honey bees' behavior. We hypothesize that the reason why V. jacobsoni is highly fertile on Mexican AHB (whereas it has low fertility on Brazilian AHB) may be that different strains of V. jacobsoni exist in the two countries.
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Sammataro D, Gerson U, Needham G. Parasitic mites of honey bees: life history, implications, and impact. ANNUAL REVIEW OF ENTOMOLOGY 2000; 45:519-548. [PMID: 10761588 DOI: 10.1146/annurev.ento.45.1.519] [Citation(s) in RCA: 164] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
The hive of the honey bee is a suitable habitat for diverse mites (Acari), including nonparasitic, omnivorous, and pollen-feeding species, and parasites. The biology and damage of the three main pest species Acarapis woodi, Varroa jacobsoni, and Tropilaelaps clareae is reviewed, along with detection and control methods. The hypothesis that Acarapis woodi is a recently evolved species is rejected. Mite-associated bee pathologies (mostly viral) also cause increasing losses to apiaries. Future studies on bee mites are beset by three main problems: (a) The recent discovery of several new honey bee species and new bee-parasitizing mite species (along with the probability that several species are masquerading under the name Varroa jacobsoni) may bring about new bee-mite associations and increase damage to beekeeping; (b) methods for studying bee pathologies caused by viruses are still largely lacking; (c) few bee- and consumer-friendly methods for controlling bee mites in large apiaries are available.
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Affiliation(s)
- D Sammataro
- Department of Entomology, Pennsylvania State University, University Park 16802, USA.
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