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Martin SJ, Shemilt S, da S Lima CB, de Carvalho CAL. Are Isomeric Alkenes Used in Species Recognition among Neo-Tropical Stingless Bees (Melipona Spp). J Chem Ecol 2017; 43:1066-1072. [PMID: 29147977 PMCID: PMC5735199 DOI: 10.1007/s10886-017-0901-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Accepted: 10/18/2017] [Indexed: 11/12/2022]
Abstract
Our understanding of the role of cuticular hydrocarbons (CHC) in recognition is based largely on temperate ant species and honey bees. The stingless bees remain relatively poorly studied, despite being the largest group of eusocial bees, comprising more than 400 species in some 60 genera. The Meliponini and Apini diverged between 80-130 Myr B.P. so the evolutionary trajectories that shaped the chemical communication systems in ants, honeybees and stingless bees may be very different. The aim of this study was to study if a unique species CHC signal existed in Neotropical stingless bees, as has been shown for many temperate species, and what compounds are involved. This was achieved by collecting CHC data from 24 colonies belonging to six species of Melipona from North-Eastern Brazil and comparing the results with previously published CHC studies on Melipona. We found that each of the eleven Melipona species studied so far each produced a unique species CHC signal based around their alkene isomer production. A remarkable number of alkene isomers, up to 25 in M. asilvai, indicated the diversification of alkene positional isomers among the stingless bees. The only other group to have really diversified in alkene isomer production are the primitively eusocial Bumblebees (Bombus spp), which are the sister group of the stingless bees. Furthermore, among the eleven Neotropical Melipona species we could detect no effect of the environment on the proportion of alkane production as has been suggested for some other species.
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Affiliation(s)
- Stephen J Martin
- School of Environment and Life Sciences, The University of Salford, M5 4WT, Manchester, UK.
| | - Sue Shemilt
- Chemical Ecology Group, School of Physical and Geographical Sciences, Lennard-Jones Laboratory, Keele University, Newcastle upon Tyne, ST5 5BG, UK
| | - Cândida B da S Lima
- School of Environment and Life Sciences, The University of Salford, M5 4WT, Manchester, UK
- Programa de Pós Graduação em Ciências Agrárias, Universidade Federal do Recôncavo da Bahia, Rua Ruí Barbosa, 710 - Centro, Cruz das Almas, BA, 44380-000, Brazil
| | - Carlos A L de Carvalho
- Programa de Pós Graduação em Ciências Agrárias, Universidade Federal do Recôncavo da Bahia, Rua Ruí Barbosa, 710 - Centro, Cruz das Almas, BA, 44380-000, Brazil
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Romiguier J, Cameron SA, Woodard SH, Fischman BJ, Keller L, Praz CJ. Phylogenomics Controlling for Base Compositional Bias Reveals a Single Origin of Eusociality in Corbiculate Bees. Mol Biol Evol 2015; 33:670-8. [DOI: 10.1093/molbev/msv258] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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3
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I'Anson Price R, Grüter C. Why, when and where did honey bee dance communication evolve? Front Ecol Evol 2015. [DOI: 10.3389/fevo.2015.00125] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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4
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Moreira AS, Horgan FG, Murray TE, Kakouli-Duarte T. Population genetic structure of Bombus terrestris in Europe: Isolation and genetic differentiation of Irish and British populations. Mol Ecol 2015; 24:3257-68. [PMID: 25958977 DOI: 10.1111/mec.13235] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2015] [Revised: 05/01/2015] [Accepted: 05/05/2015] [Indexed: 11/27/2022]
Abstract
The genetic structure of the earth bumblebee (Bombus terrestris L.) was examined across 22 wild populations and two commercially reared populations using eight microsatellite loci and two mitochondrial genes. Our study included wild bumblebee samples from six populations in Ireland, one from the Isle of Man, four from Britain and 11 from mainland Europe. A further sample was acquired from New Zealand. Observed levels of genetic variability and heterozygosity were low in Ireland and the Isle of Man, but relatively high in continental Europe and among commercial populations. Estimates of Fst revealed significant genetic differentiation among populations. Bayesian cluster analysis indicated that Irish populations were highly differentiated from British and continental populations, the latter two showing higher levels of admixture. The data suggest that the Irish Sea and prevailing south westerly winds act as a considerable geographical barrier to gene flow between populations in Ireland and Britain; however, some immigration from the Isle of Man to Ireland was detected. The results are discussed in the context of the recent commercialization of bumblebees for the European horticultural industry.
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Affiliation(s)
- António S Moreira
- Institute of Technology Carlow, Kilkenny Road, Carlow, Co. Carlow, Ireland.,Teagasc, The Agriculture and Food Development Authority, Oak Park Research Centre, Carlow, Co. Carlow, Ireland
| | - Finbarr G Horgan
- Teagasc, The Agriculture and Food Development Authority, Oak Park Research Centre, Carlow, Co. Carlow, Ireland
| | - Tomás E Murray
- Teagasc, The Agriculture and Food Development Authority, Oak Park Research Centre, Carlow, Co. Carlow, Ireland
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de Souza Canevazzi NC, Noll FB. Cladistic analysis of self-grooming indicates a single origin of eusociality in corbiculate bees (Hymenoptera: Apidae). Cladistics 2015; 31:126-141. [PMID: 34758580 DOI: 10.1111/cla.12077] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/15/2014] [Indexed: 11/30/2022] Open
Abstract
Behavioural traits have been used extensively in recent years as an important character source for making phylogenetic inferences. The phylogenetic positions of the members of the Apini subtribe are increasingly being debated, and new characters must be examined. We analysed the presence and absence of certain behavioural patterns, as well as the sequences of some of these patterns, to generate 79 characters. Eleven species comprised the ingroup, and Xylocopini comprised the outgroup. Parsimony analysis showed that the most parsimonious tree was (Euglossina(Bombina(Apina+Meliponina))). This topology is consistent with most studies that use morphological data and the few that use behavioural data, which suggests that advanced eusociality arose only once in a common ancestor of the clade Apina plus Meliponina; however, this hypothesis is inconsistent with our molecular data. Thus we considered behavioural, molecular, and morphological data and recovered the same topology, in which eusociality has a single origin in corbiculate bees.
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Affiliation(s)
| | - Fernando Barbosa Noll
- Departamento de Zoologia e Botânica, IBILCE-UNESP, Rua Cristóvão Colombo, 2265, CEP 15054-000, São José do Rio Preto, SP, Brazil
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Danforth BN, Cardinal S, Praz C, Almeida EAB, Michez D. The impact of molecular data on our understanding of bee phylogeny and evolution. ANNUAL REVIEW OF ENTOMOLOGY 2012; 58:57-78. [PMID: 22934982 DOI: 10.1146/annurev-ento-120811-153633] [Citation(s) in RCA: 119] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Our understanding of bee phylogeny has improved over the past fifteen years as a result of new data, primarily nucleotide sequence data, and new methods, primarily model-based methods of phylogeny reconstruction. Phylogenetic studies based on single or, more commonly, multilocus data sets have helped resolve the placement of bees within the superfamily Apoidea; the relationships among the seven families of bees; and the relationships among bee subfamilies, tribes, genera, and species. In addition, molecular phylogenies have played an important role in inferring evolutionary patterns and processes in bees. Phylogenies have provided the comparative framework for understanding the evolution of host-plant associations and pollen specialization, the evolution of social behavior, and the evolution of parasitism. In this paper, we present an overview of significant discoveries in bee phylogeny based primarily on the application of molecular data. We review the phylogenetic hypotheses family-by-family and then describe how the new phylogenetic insights have altered our understanding of bee biology.
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Affiliation(s)
- Bryan N Danforth
- Department of Entomology, Cornell University, Ithaca, New York 14853, USA.
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Cardinal S, Danforth BN. The antiquity and evolutionary history of social behavior in bees. PLoS One 2011; 6:e21086. [PMID: 21695157 PMCID: PMC3113908 DOI: 10.1371/journal.pone.0021086] [Citation(s) in RCA: 115] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2010] [Accepted: 05/19/2011] [Indexed: 11/18/2022] Open
Abstract
A long-standing controversy in bee social evolution concerns whether highly eusocial behavior has evolved once or twice within the corbiculate Apidae. Corbiculate bees include the highly eusocial honey bees and stingless bees, the primitively eusocial bumble bees, and the predominantly solitary or communal orchid bees. Here we use a model-based approach to reconstruct the evolutionary history of eusociality and date the antiquity of eusocial behavior in apid bees, using a recent molecular phylogeny of the Apidae. We conclude that eusociality evolved once in the common ancestor of the corbiculate Apidae, advanced eusociality evolved independently in the honey and stingless bees, and that eusociality was lost in the orchid bees. Fossil-calibrated divergence time estimates reveal that eusociality first evolved at least 87 Mya (78 to 95 Mya) in the corbiculates, much earlier than in other groups of bees with less complex social behavior. These results provide a robust new evolutionary framework for studies of the organization and genetic basis of social behavior in honey bees and their relatives.
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Affiliation(s)
- Sophie Cardinal
- Department of Entomology, Cornell University, Ithaca, New York, United States of America.
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Cameron SL, Dowton M, Castro LR, Ruberu K, Whiting MF, Austin AD, Diement K, Stevens J. Mitochondrial genome organization and phylogeny of two vespid wasps. Genome 2008; 51:800-8. [DOI: 10.1139/g08-066] [Citation(s) in RCA: 86] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
We sequenced the entire mitochondrial genome of Abispa ephippium (Hymenoptera: Vespoidea: Vespidae: Eumeninae) and most of the mitochondrial genome of Polistes humilis synoecus (Hymenoptera: Vespoidea: Vespidae: Polistinae). The arrangement of genes differed between the two genomes and also differed slightly from that inferred to be ancestral for the Hymenoptera. The genome organization for both vespids is different from that of all other mitochondrial genomes previously reported. A number of tRNA gene rearrangements were identified that represent potential synapomorphies for a subset of the Vespidae. Analysis of all available hymenopteran mitochondrial genome sequences recovered an uncontroversial phylogeny, one consistent with analyses of other types of data.
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Affiliation(s)
- Stephen L. Cameron
- Australian National Insect Collection and CSIRO Entomology, Black Mountain Laboratories, P.O. Box 1700, Canberra, ACT 2601, Australia
- Centre for Medical Bioscience, School of Biological Sciences, University of Wollongong, Wollongong, NSW 2522, Australia
- Department of Integrative Biology, Brigham Young University, Provo, UT 84602, USA
- Australian Center for Evolutionary Biology and Biodiversity, School of Earth and Environmental Sciences, University of Adelaide, SA 5005, Australia
| | - Mark Dowton
- Australian National Insect Collection and CSIRO Entomology, Black Mountain Laboratories, P.O. Box 1700, Canberra, ACT 2601, Australia
- Centre for Medical Bioscience, School of Biological Sciences, University of Wollongong, Wollongong, NSW 2522, Australia
- Department of Integrative Biology, Brigham Young University, Provo, UT 84602, USA
- Australian Center for Evolutionary Biology and Biodiversity, School of Earth and Environmental Sciences, University of Adelaide, SA 5005, Australia
| | - Lyda R. Castro
- Australian National Insect Collection and CSIRO Entomology, Black Mountain Laboratories, P.O. Box 1700, Canberra, ACT 2601, Australia
- Centre for Medical Bioscience, School of Biological Sciences, University of Wollongong, Wollongong, NSW 2522, Australia
- Department of Integrative Biology, Brigham Young University, Provo, UT 84602, USA
- Australian Center for Evolutionary Biology and Biodiversity, School of Earth and Environmental Sciences, University of Adelaide, SA 5005, Australia
| | - Kalani Ruberu
- Australian National Insect Collection and CSIRO Entomology, Black Mountain Laboratories, P.O. Box 1700, Canberra, ACT 2601, Australia
- Centre for Medical Bioscience, School of Biological Sciences, University of Wollongong, Wollongong, NSW 2522, Australia
- Department of Integrative Biology, Brigham Young University, Provo, UT 84602, USA
- Australian Center for Evolutionary Biology and Biodiversity, School of Earth and Environmental Sciences, University of Adelaide, SA 5005, Australia
| | - Michael F. Whiting
- Australian National Insect Collection and CSIRO Entomology, Black Mountain Laboratories, P.O. Box 1700, Canberra, ACT 2601, Australia
- Centre for Medical Bioscience, School of Biological Sciences, University of Wollongong, Wollongong, NSW 2522, Australia
- Department of Integrative Biology, Brigham Young University, Provo, UT 84602, USA
- Australian Center for Evolutionary Biology and Biodiversity, School of Earth and Environmental Sciences, University of Adelaide, SA 5005, Australia
| | - Andy D. Austin
- Australian National Insect Collection and CSIRO Entomology, Black Mountain Laboratories, P.O. Box 1700, Canberra, ACT 2601, Australia
- Centre for Medical Bioscience, School of Biological Sciences, University of Wollongong, Wollongong, NSW 2522, Australia
- Department of Integrative Biology, Brigham Young University, Provo, UT 84602, USA
- Australian Center for Evolutionary Biology and Biodiversity, School of Earth and Environmental Sciences, University of Adelaide, SA 5005, Australia
| | - Kieren Diement
- Australian National Insect Collection and CSIRO Entomology, Black Mountain Laboratories, P.O. Box 1700, Canberra, ACT 2601, Australia
- Centre for Medical Bioscience, School of Biological Sciences, University of Wollongong, Wollongong, NSW 2522, Australia
- Department of Integrative Biology, Brigham Young University, Provo, UT 84602, USA
- Australian Center for Evolutionary Biology and Biodiversity, School of Earth and Environmental Sciences, University of Adelaide, SA 5005, Australia
| | - Julia Stevens
- Australian National Insect Collection and CSIRO Entomology, Black Mountain Laboratories, P.O. Box 1700, Canberra, ACT 2601, Australia
- Centre for Medical Bioscience, School of Biological Sciences, University of Wollongong, Wollongong, NSW 2522, Australia
- Department of Integrative Biology, Brigham Young University, Provo, UT 84602, USA
- Australian Center for Evolutionary Biology and Biodiversity, School of Earth and Environmental Sciences, University of Adelaide, SA 5005, Australia
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9
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Cardinal S, Packer L. Phylogenetic analysis of the corbiculate Apinae based on morphology of the sting apparatus (Hymenoptera: Apidae). Cladistics 2007; 23:99-118. [DOI: 10.1111/j.1096-0031.2006.00137.x] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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11
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Abstract
The molecular clock does not tick at a uniform rate in all taxa but may be influenced by species characteristics. Eusocial species (those with reproductive division of labor) have been predicted to have faster rates of molecular evolution than their nonsocial relatives because of greatly reduced effective population size; if most individuals in a population are nonreproductive and only one or few queens produce all the offspring, then eusocial animals could have much lower effective population sizes than their solitary relatives, which should increase the rate of substitution of "nearly neutral" mutations. An earlier study reported faster rates in eusocial honeybees and vespid wasps but failed to correct for phylogenetic nonindependence or to distinguish between potential causes of rate variation. Because sociality has evolved independently in many different lineages, it is possible to conduct a more wide-ranging study to test the generality of the relationship. We have conducted a comparative analysis of 25 phylogenetically independent pairs of social lineages and their nonsocial relatives, including bees, wasps, ants, termites, shrimps, and mole rats, using a range of available DNA sequences (mitochondrial and nuclear DNA coding for proteins and RNAs, and nontranslated sequences). By including a wide range of social taxa, we were able to test whether there is a general influence of sociality on rates of molecular evolution and to test specific predictions of the hypothesis: (1) that social species have faster rates because they have reduced effective population sizes; (2) that mitochondrial genes would show a greater effect of sociality than nuclear genes; and (3) that rates of molecular evolution should be correlated with the degree of sociality. We find no consistent pattern in rates of molecular evolution between social and nonsocial lineages and no evidence that mitochondrial genes show faster rates in social taxa. However, we show that the most highly eusocial Hymenoptera do have faster rates than their nonsocial relatives. We also find that social parasites (that utilize the workers from related species to produce their own offspring) have faster rates than their social relatives, which is consistent with an effect of lower effective population size on rate of molecular evolution. Our results illustrate the importance of allowing for phylogenetic nonindependence when conducting investigations of determinants of variation in rate of molecular evolution.
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Affiliation(s)
- Lindell Bromham
- Centre for the Study of Evolution, School of Life Sciences, University of Sussex, Brighton, United Kingdom.
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12
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Birmingham AL, Hoover SE, Winston ML, Ydenberg RC. Drifting bumble bee (Hymenoptera: Apidae) workers in commercial greenhouses may be social parasites. CAN J ZOOL 2004. [DOI: 10.1139/z04-181] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Commercial greenhouses require high densities of managed bumble bee (Bombus occidentalis Greene, 1858 and Bombus impatiens Cresson, 1863) colonies to pollinate crops such as tomatoes (Lycopersicon esculentum Miller). We examined drifting, a behavioural consequence of introducing closely aggregated colonies into greenhouse habitats, to determine possible explanations for observed drifting frequencies. Bee drift is normally associated with increased individual mortality and disease transfer between colonies. In this study, individual bees frequently drifted into and remained within foreign colonies. More drifting bees were found in colonies with higher worker and brood populations and greater pollen stores. Increased intracolony aggressive interactions were not associated with a higher number of drifting bees. Drifting bees had a significantly greater number of mature eggs in their ovaries than did resident worker bees residing in colonies hosting drifters, suggesting that drifting could potentially increase the fitness of individual worker bees and may not be solely a function of disorientation and (or) nectar robbing. Taken together, our results suggest that drifting of workers into foreign colonies within greenhouses may demonstrate a predisposition to social parasitism. This selfish worker reproduction challenges our previous understanding of social insect societies as being cooperative societies.
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Thompson GJ, Oldroyd BP. Evaluating alternative hypotheses for the origin of eusociality in corbiculate bees. Mol Phylogenet Evol 2004; 33:452-6. [PMID: 15336678 DOI: 10.1016/j.ympev.2004.06.016] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2004] [Revised: 06/23/2004] [Indexed: 10/26/2022]
Abstract
We use a likelihood-based statistical test to evaluate the extent to which the available molecular data sets can be used to falsify alternative phylogenetic hypotheses describing the inter-relationship among corbiculate bee tribes. Based on the results of this test, we explore three alternative models of behavioural character state evolution and evaluate the support each model has for single-origin versus dual-origin hypotheses for 'highly' eusocial behaviour. We show that only one of four data sets could statistically reject any of the 15 possible outgroup-rooted phylogenetic hypotheses. However, a cytochrome b data set rejected all but three alternative topologies. Using this information, a simple model of behavioural character state evolution, in which transitions between solitary/communal, 'primitively' eusocial, and 'highly' eusocial are unconstrained, supports single-origin hypotheses for 'highly' eusocial behaviour, in spite of phylogenetic uncertainty. By contrast, an ordered model, in which 'highly' eusocial is constrained to be an evolutionarily terminal state, supports a dual-origins hypothesis. Our results show that the molecular phylogenetic evidence favouring a dual-origins hypothesis for 'highly' eusocial behaviour is, at present, conditional on information from one gene (cyt b) and on specific, though likely realistic, assumptions regarding the nature of eusocial evolution.
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Affiliation(s)
- Graham J Thompson
- School of Biological Sciences, University of Sydney, Macleay Building A12, Sydney, NSW 2006, Australia.
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14
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Abstract
Orchid bees (Euglossini), noted for their brilliant iridescence, are elusive pollinators throughout the American tropics. Males are especially important in the pollination of some orchids, from which they collect aromatic fragrances thought to play a role in territorial display and courtship. The tribe contains approximately 190 described species divided among five genera, distributed from Mexico to central Argentina. Relatively intense study of their biology in the 1960s through the mid-1980s shed light on their nesting biology, chemical ecology, and classification. Vigorous taxonomic research led to the naming of many new species, revisions, and checklists, but phylogenetic studies were scarce. In the two decades following the last comprehensive review, phylogenetic research has resulted in new hypotheses of generic relationships, and further examination of male display has led to additional interpretations. Females in natural and artificial nesting cavities have revealed social interactions and additional details of parasitism within the nest. This review emphasizes areas in need of more study, particularly phylogeny, phylogeography, chemosensory ecology, and comparative behavior, and highlights how historical context can guide future research.
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Affiliation(s)
- Sydney A Cameron
- Department of Entomology, University of Illinois, Urbana, Illinois 61801, USA.
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Noll FB. Behavioral Phylogeny of Corbiculate Apidae (Hymenoptera; Apinae), with Special Reference to Social Behavior. Cladistics 2002; 18:137-153. [DOI: 10.1111/j.1096-0031.2002.tb00146.x] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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ENGEL MICHAELS. A MONOGRAPH OF THE BALTIC AMBER BEES AND EVOLUTION OF THE APOIDEA (HYMENOPTERA). BULLETIN OF THE AMERICAN MUSEUM OF NATURAL HISTORY 2001. [DOI: 10.1206/0003-0090(2001)259<0001:amotba>2.0.co;2] [Citation(s) in RCA: 261] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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17
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ENGEL MICHAELS. A MONOGRAPH OF THE BALTIC AMBER BEES AND EVOLUTION OF THE APOIDEA (HYMENOPTERA). BULLETIN OF THE AMERICAN MUSEUM OF NATURAL HISTORY 2001. [DOI: 10.1206/0003-0090(2001)259%3c0001:amotba%3e2.0.co;2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Ascher JS, Danforth BN, Ji S. Phylogenetic utility of the major opsin in bees (Hymenoptera: Apoidea): a reassessment. Mol Phylogenet Evol 2001; 19:76-93. [PMID: 11286493 DOI: 10.1006/mpev.2001.0911] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Major opsin (LW Rh) DNA sequence has been reported to provide useful data for resolving phylogenetic relationships among tribes of corbiculate bees based on analyses of 502 bp of coding sequence. However, the corbiculate tribes are believed to be of Cretaceous age, and strong support for insect clades of this age from small data sets of nucleotide sequence data has rarely been demonstrated. To more critically assess opsin's phylogenetic utility we generated an expanded LW Rh data set by sequencing the same gene fragment from 52 additional bee species from 24 tribes and all six extant bee families. Analyses of this data set failed to provide substantial support for monophyly of corbiculate bees, for relationships among corbiculate tribes, or for most other well-established higher-level relationships among long-tongued bees. However, monophyly of nearly all genera and tribes is strongly supported, indicating that LW Rh provides useful phylogenetic signal at lower taxonomic levels. When our expanded LW Rh data set is combined with a morphological and behavioral data set for corbiculate bees, the results unambiguously support the traditional phylogeny of the corbiculate bee tribes: (Euglossini + (Bombini + (Meliponini + Apini))). This implies a single origin of advanced eusocial behavior among bees rather than dual origins, as proposed by several recent studies.
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Affiliation(s)
- J S Ascher
- Department of Entomology, Cornell University, Ithaca, New York 14853-0901, USA.
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Engel MS. Monophyly and extensive extinction of advanced eusocial bees: insights from an unexpected Eocene diversity. Proc Natl Acad Sci U S A 2001; 98:1661-4. [PMID: 11172007 PMCID: PMC29313 DOI: 10.1073/pnas.98.4.1661] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2000] [Accepted: 12/20/2000] [Indexed: 11/18/2022] Open
Abstract
Advanced eusociality sometimes is given credit for the ecological success of termites, ants, some wasps, and some bees. Comprehensive study of bees fossilized in Baltic amber has revealed an unsuspected middle Eocene (ca. 45 million years ago) diversity of eusocial bee lineages. Advanced eusociality arose once in the bees with significant post-Eocene losses in diversity, leaving today only two advanced eusocial tribes comprising less than 2% of the total bee diversity, a trend analogous to that of hominid evolution. This pattern of changing diversity contradicts notions concerning the role of eusociality for evolutionary success in insects.
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Affiliation(s)
- M S Engel
- Division of Entomology, Natural History Museum and Biodiversity Research Center, 1460 Jayhawk Boulevard, University of Kansas, Lawrence, KS 66045-7523, USA
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20
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Abstract
Controversy over the origins and evolution of social behaviour in the major groups of social bees (the corbiculate bees) has fuelled arguments over different approaches for building evolutionary trees. However, the application of different analytical methodologies does not explain why molecular and morphological data suggest strikingly different hypotheses for the evolution of eusociality in bees. Determining the phylogenetic root is expected to help resolve the question of the social evolution of corbiculate bees. However, this requires that the long branch attraction problem is overcome. This phenomenon affects both molecular and morphological data for corbiculate bees.
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Koulianos S, Schmid-Hempel P. Phylogenetic relationships among bumble bees (Bombus, latreille) inferred from mitochondrial cytochrome b and cytochrome oxidase I sequences. Mol Phylogenet Evol 2000; 14:335-41. [PMID: 10712839 DOI: 10.1006/mpev.1999.0621] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
We conducted a molecular study intending to derive an estimate of the relationships within the genus Bombus (bumble bees) by comparing the mitochondrial cytochrome b and cytochrome oxidase I (COI) genes from 19 species, spanning 10 of approximately 16 European subgenera and 3 subgenera from North and South America. Our trees differ from the most recent classifications of bumble bees. Although bootstrap values for deep branches are low, our sequences show significant data structure and low homoplasy, and all trees share some groups and patterns. In all cases, the subgenus Bombus s. str. clusters among the most derived bumble bees, contrary to other molecular studies. In all trees, B. funebris is the sister taxon of B. robustus, and in five of the six trees, B. wurflenii is the sister taxon to this clade. B. nevadensis is basal to the other species in the analysis of the cytochrome b gene, but appears to be among the most derived according to the analysis of the COI region. The species representing the subgenera Thoracobombus and Fervidobombus are consistently among the earliest diverged. Species that appear in very different positions in different trees are B. nevadensis, B. mesomelas, B. balteatus, and B. hyperboreus. All subgenera with two representatives in our analysis are apparently monophyletic except Fervidobombus, Melanobombus, and Pyrobombus. The groups formed by pocket makers and non-pocket makers within Bombus also appear to be paraphyletic, and therefore some subgenera may not accurately reflect phylogeny.
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Affiliation(s)
- S Koulianos
- ETH Zürich, ETH Zentrum NW, Zürich, 8092, Switzerland
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Mardulyn P, Cameron SA. The major opsin in bees (Insecta: Hymenoptera): A promising nuclear gene for higher level phylogenetics. Mol Phylogenet Evol 1999; 12:168-76. [PMID: 10381319 DOI: 10.1006/mpev.1998.0606] [Citation(s) in RCA: 73] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
We report the phylogenetic utility of the nuclear gene encoding the long-wavelength opsin (LW Rh) for tribes of bees. Aligned nucleotide sequences were examined in multiple taxa from the four tribes comprising the corbiculate bees within the subfamily Apinae. Phylogenetic analyses of sequence variation in a 502-bp fragment (approx 40% of the coding region) strongly supported the monophyly of each of the four tribes, which are well established from previous studies of morphology and DNA. Trees estimated from parsimony and maximum likelihood analyses of LW Rh sequences show a strongly supported relationship between the tribes Meliponini and Bombini, a relationship that has been found uniformly in studies of other genes (28S, 16S, and cytochrome b). All of the tribal clades as well as relationships among the tribes are supported by high bootstrap values, suggesting the utility of LW Rh in estimating tribal and subfamily rank for these bees. The sequences exhibit minimal base composition bias. Both 1st + 2nd and 3rd position sites provide information for estimating a reliable tree topology. These results suggest that LW Rh, which has not been reported previously in studies of organismal phylogenetics, could provide important new data from the nuclear genome for phylogeny reconstruction.
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Affiliation(s)
- P Mardulyn
- Department of Entomology, University of Arkansas, Fayetteville, Arkansas 72701, USA
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