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Dellicour S, Mardulyn P, Hardy OJ, Hardy C, Roberts SPM, Vereecken NJ. Inferring the mode of colonization of the rapid range expansion of a solitary bee from multilocus DNA sequence variation. J Evol Biol 2013; 27:116-32. [DOI: 10.1111/jeb.12280] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2013] [Accepted: 10/14/2013] [Indexed: 11/30/2022]
Affiliation(s)
- S. Dellicour
- Evolutionary Biology and Ecology; Université Libre de Bruxelles (ULB); Brussels Belgium
| | - P. Mardulyn
- Evolutionary Biology and Ecology; Université Libre de Bruxelles (ULB); Brussels Belgium
| | - O. J. Hardy
- Evolutionary Biology and Ecology; Université Libre de Bruxelles (ULB); Brussels Belgium
| | - C. Hardy
- Evolutionary Biology and Ecology; Université Libre de Bruxelles (ULB); Brussels Belgium
| | - S. P. M. Roberts
- Centre for Agri-Environmental Research; University of Reading; Reading UK
| | - N. J. Vereecken
- Evolutionary Biology and Ecology; Université Libre de Bruxelles (ULB); Brussels Belgium
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Souza RO, Del Lama MA, Cervini M, Mortari N, Eltz T, Zimmermann Y, Bach C, Brosi BJ, Suni S, Quezada-Euán JJG, Paxton RJ. Conservation genetics of neotropical pollinators revisited: microsatellite analysis suggests that diploid males are rare in orchid bees. Evolution 2011; 64:3318-26. [PMID: 20662922 DOI: 10.1111/j.1558-5646.2010.01052.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Allozyme analyses have suggested that Neotropical orchid bee (Euglossini) pollinators are vulnerable because of putative high frequencies of diploid males, a result of loss of sex allele diversity in small hymenopteran populations with single locus complementary sex determination. Our analysis of 1010 males from 27 species of euglossine bees sampled across the Neotropics at 2–11 polymorphic microsatellite loci revealed only five diploid males at an overall frequency of 0.005 (95% CIs 0.002–0.010); errors through genetic nondetection of diploid males were likely small. In contrast to allozyme-based studies, we detected very weak or insignificant population genetic structure, even for a pair of populations >500 km apart, possibly accounting for low diploid male frequencies. Technical flaws in previous allozyme-based analyses have probably led to considerable overestimation of diploid male production in orchid bees. Other factors may have a more immediate impact on population persistence than the genetic load imposed by diploid males on these important Neotropical pollinators.
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Affiliation(s)
- Rogério O Souza
- Laboratório de Genética Evolutiva de Himenópteros, Departamento de Genética e Evolução, Universidade Federal de São Carlos, CEP 13565-905 São Carlos, São Paulo, Brazil
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Isolation and cross-species characterization of polymorphic microsatellites for the orchid bee Eulaema meriana (Hymenoptera: Apidae: Euglossini). CONSERV GENET RESOUR 2010. [DOI: 10.1007/s12686-010-9271-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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4
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Charman TG, Sears J, Green RE, Bourke AFG. Conservation genetics, foraging distance and nest density of the scarce Great Yellow Bumblebee (Bombus distinguendus). Mol Ecol 2010; 19:2661-74. [PMID: 20561194 DOI: 10.1111/j.1365-294x.2010.04697.x] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Thomas G Charman
- Department of Zoology, University of Cambridge, Downing Street, Cambridge CB2 3EJ, UK
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5
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van Wilgenburg E, Driessen G, Beukeboom LW. Single locus complementary sex determination in Hymenoptera: an "unintelligent" design? Front Zool 2006; 3:1. [PMID: 16393347 PMCID: PMC1360072 DOI: 10.1186/1742-9994-3-1] [Citation(s) in RCA: 210] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2005] [Accepted: 01/05/2006] [Indexed: 11/23/2022] Open
Abstract
The haplodiploid sex determining mechanism in Hymenoptera (males are haploid, females are diploid) has played an important role in the evolution of this insect order. In Hymenoptera sex is usually determined by a single locus, heterozygotes are female and hemizygotes are male. Under inbreeding, homozygous diploid and sterile males occur which form a genetic burden for a population. We review life history and genetical traits that may overcome the disadvantages of single locus complementary sex determination (sl-CSD). Behavioural adaptations to avoid matings between relatives include active dispersal from natal patches and mating preferences for non-relatives. In non-social species, temporal and spatial segregation of male and female offspring reduces the burden of sl-CSD. In social species, diploid males are produced at the expense of workers and female reproductives. In some social species, diploid males and diploid male producing queens are killed by workers. Diploid male production may have played a role in the evolution or maintenance of polygyny (multiple queens) and polyandry (multiple mating). Some forms of thelytoky (parthenogenetic female production) increase homozygosity and are therefore incompatible with sl-CSD. We discuss a number of hypothetical adaptations to sl-CSD which should be considered in future studies of this insect order.
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Affiliation(s)
- Ellen van Wilgenburg
- Department of Zoology, University of Melbourne, VIC 3010 Australia
- Institute of Biology Leiden, University of Leiden, P.O. Box 9516, NL-2300 RA Leiden, The Netherlands
| | - Gerard Driessen
- Department of Animal Ecology, Institute of Ecological Science, Vrije Universiteit, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands
- Institute of Biology Leiden, University of Leiden, P.O. Box 9516, NL-2300 RA Leiden, The Netherlands
| | - Leo W Beukeboom
- Evolutionary Genetics, Centre for Ecological and Evolutionary Studies, University of Groningen, P.O. Box 14, NL-9750 AA Haren, The Netherlands
- Institute of Biology Leiden, University of Leiden, P.O. Box 9516, NL-2300 RA Leiden, The Netherlands
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Cowan DP, Stahlhut JK. Functionally reproductive diploid and haploid males in an inbreeding hymenopteran with complementary sex determination. Proc Natl Acad Sci U S A 2004; 101:10374-9. [PMID: 15232002 PMCID: PMC478579 DOI: 10.1073/pnas.0402481101] [Citation(s) in RCA: 93] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2004] [Indexed: 11/18/2022] Open
Abstract
It has become a matter of orthodoxy that among wasps, ants, bees, and other insects in the order Hymenoptera, only uniparental haploid males that arise from unfertilized eggs are capable of reproduction. This idea is of interest because the best understood and perhaps most widespread sex determination system among these insects [known as single locus complementary sex determination (sl-CSD)] does not depend on ploidy alone and, paradoxically, consistently results in small numbers of diploid biparental males. To date, the reproductive potential of diploid males has been studied in 13 of the perhaps 200,000 hymenopterans world-wide; in each of these instances, the diploid males are genetic dead ends because they are inviable or sterile. The data from these species have resulted in a general conclusion that has been invoked for virtually all species with sl-CSD and has become the basis for assumptions regarding conservation biology, sex ratio analysis, and the evolution of social behavior. Here, we report that in the solitary vespid wasp Euodynerus foraminatus, both diploid and haploid males are fertile, which documents normal fertility in diploid males of a hymenopteran with sl-CSD. This wasp has high levels of inbreeding because of frequent brother-sister mating in nature; therefore, diploid males are more frequently produced and thus more likely exposed to selection favoring their fertility. Because inbreeding and diploid male production may be important features of the population biology of many hymenopterans, we sound a cautionary note regarding ideas about the evolutionary ecology of these insects.
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Affiliation(s)
- David P Cowan
- Department of Biological Sciences, Western Michigan University, Kalamazoo, MI 49008, USA.
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Koulianos, Schmid‐Hempel, Roubik, Schmid‐Hempel. Phylogenetic relationships within the corbiculate Apinae (Hymenoptera) and the evolution of eusociality. J Evol Biol 2001. [DOI: 10.1046/j.1420-9101.1999.00043.x] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Koulianos
- ETH Zürich, Experimental Ecology, ETH Zentrum NW, 8092 Zürich, Switzerland
| | - Schmid‐Hempel
- ETH Zürich, Experimental Ecology, ETH Zentrum NW, 8092 Zürich, Switzerland
| | - Roubik
- Smithsonian Tropical Research Institute, Unit 0948, APO AA 34002–0948
| | - Schmid‐Hempel
- ETH Zürich, Experimental Ecology, ETH Zentrum NW, 8092 Zürich, Switzerland
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Zayed A, Packer L. High levels of diploid male production in a primitively eusocial bee (Hymenoptera: Halictidae). Heredity (Edinb) 2001; 87:631-6. [PMID: 11903558 DOI: 10.1046/j.1365-2540.2001.00952.x] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Under single locus complementary sex determination (sl-CSD), diploid males are produced from fertilized eggs that are homozygous at the sex-determining locus. Diploid males are effectively sterile, and thus their production generates a costly genetic load. Using allozyme electrophoresis, a large number of diploid males were detected in natural populations of the primitively eusocial bee, Halictus poeyi Lepeletier collected in southern and central Florida during May 2000. Estimates for the proportion of diploids that are male ranged from 9.1% to 50%, while the frequency of matched matings ranged from 18.2% to 100%. The effective number of alleles at the sex-determining locus ranged from two to 11, with an average of five alleles. The effective population size of Halictus poeyi was estimated to be 19.6 +/- 2.5 SE. These data are interpreted in the light of the biogeographic history of Florida and the social biology/population dynamics of H. poeyi.
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Affiliation(s)
- A Zayed
- Department of Biology, York University, 4700 Keele St., Toronto, Ontario, Canada M3J 1P3.
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Cristina Takahashi N, Carlos Peruquetti R, Antonio Del Lama M, Antonio de Oliveira Campos L. A REANALYSIS OF DIPLOID MALE FREQUENCIES IN EUGLOSSINE BEES (HYMENOPTERA: APIDAE). Evolution 2001. [DOI: 10.1554/0014-3820(2001)055[1897:arodmf]2.0.co;2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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10
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Roubik DW. SEARCHING FOR GENETIC PATTERN IN ORCHID BEES: A REPLY TO TAKAHASHI ET AL. Evolution 2001. [DOI: 10.1554/0014-3820(2001)055[1900:sfgpio]2.0.co;2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Krieger MJB, Ross KG, Chang CWY, Keller L. Frequency and origin of triploidy in the fire ant Solenopsis invicta. Heredity (Edinb) 1999. [DOI: 10.1038/sj.hdy.6884600] [Citation(s) in RCA: 46] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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Affiliation(s)
- Pekka Pamilo
- Department of Genetics, University of Uppsala, Box 7003, 750 07 Uppsala, Sweden; e-mail:
| | - Pia Gertsch
- Department of Genetics, University of Uppsala, Box 7003, 750 07 Uppsala, Sweden; e-mail:
| | - Peter Thorén
- Department of Genetics, University of Uppsala, Box 7003, 750 07 Uppsala, Sweden; e-mail:
| | - Perttu Seppä
- Department of Genetics, University of Uppsala, Box 7003, 750 07 Uppsala, Sweden; e-mail:
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