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Henríquez-Piskulich P, Hugall AF, Stuart-Fox D. A supermatrix phylogeny of the world's bees (Hymenoptera: Anthophila). Mol Phylogenet Evol 2024; 190:107963. [PMID: 37967640 DOI: 10.1016/j.ympev.2023.107963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 10/28/2023] [Accepted: 11/04/2023] [Indexed: 11/17/2023]
Abstract
The increasing availability of large molecular phylogenies has provided new opportunities to study the evolution of species traits, their origins and diversification, and biogeography; yet there are limited attempts to synthesise existing phylogenetic information for major insect groups. Bees (Hymenoptera: Anthophila) are a large group of insect pollinators that have a worldwide distribution, and a wide variation in ecology, morphology, and life-history traits, including sociality. For these reasons, as well as their major economic importance as pollinators, numerous molecular phylogenetic studies of family and genus-level relationships have been published, providing an opportunity to assemble a bee 'tree-of-life'. We used publicly available genetic sequence data, including phylogenomic data, reconciled to a taxonomic database, to produce a concatenated supermatrix phylogeny for the Anthophila comprising 4,586 bee species, representing 23% of species and 82% of genera. At family, subfamily, and tribe levels, support for expected relationships was robust, but between and within some genera relationships remain uncertain. Within families, sampling of genera ranged from 67 to 100% but species coverage was lower (17-41%). Our phylogeny mostly reproduces the relationships found in recent phylogenomic studies with a few exceptions. We provide a summary of these differences and the current state of molecular data available and its gaps. We discuss the advantages and limitations of this bee supermatrix phylogeny (available online at beetreeoflife.org), which may enable new insights into long standing questions about evolutionary drivers in bees, and potentially insects more generally.
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Affiliation(s)
| | - Andrew F Hugall
- School of BioSciences, The University of Melbourne, Parkville, Victoria, Australia; Department of Sciences, Museums Victoria, Melbourne, Victoria, Australia.
| | - Devi Stuart-Fox
- School of BioSciences, The University of Melbourne, Parkville, Victoria, Australia
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González-Vaquero RA. Solitary and semisocial behaviour in the Corynura group: new findings in a clade sister to all other Augochlorini bees (Hymenoptera: Halictidae). J NAT HIST 2022. [DOI: 10.1080/00222933.2022.2134833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Affiliation(s)
- Rocío Ana González-Vaquero
- Facultad de Agronomía, Universidad de Buenos Aires, Buenos Aires, Argentina
- División Entomología, Museo Argentino de Ciencias Naturales “Bernardino Rivadavia” – CONICET, Buenos Aires, Argentina
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3
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Moss JB, While GM. The thermal environment as a moderator of social evolution. Biol Rev Camb Philos Soc 2021; 96:2890-2910. [PMID: 34309173 DOI: 10.1111/brv.12784] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 07/09/2021] [Accepted: 07/16/2021] [Indexed: 11/29/2022]
Abstract
Animal sociality plays a crucial organisational role in evolution. As a result, understanding the factors that promote the emergence, maintenance, and diversification of animal societies is of great interest to biologists. Climate is among the foremost ecological factors implicated in evolutionary transitions in social organisation, but we are only beginning to unravel the possible mechanisms and specific climatic variables that underlie these associations. Ambient temperature is a key abiotic factor shaping the spatio-temporal distribution of individuals and has a particularly strong influence on behaviour. Whether such effects play a broader role in social evolution remains to be seen. In this review, we develop a conceptual framework for understanding how thermal effects integrate into pathways that mediate the opportunities, nature, and context of social interactions. We then implement this framework to discuss the capacity for temperature to initiate organisational changes across three broad categories of social evolution: group formation, group maintenance, and group elaboration. For each category, we focus on pivotal traits likely to have underpinned key social transitions and explore the potential for temperature to affect changes in these traits by leveraging empirical examples from the literature on thermal and behavioural ecology. Finally, we discuss research directions that should be prioritised to understand the potentially constructive and/or destructive effects of future warming on the origins, maintenance, and diversification of animal societies.
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Affiliation(s)
- Jeanette B Moss
- School of Natural Sciences, University of Tasmania, Sandy Bay, TAS, 7005, Australia
| | - Geoffrey M While
- School of Natural Sciences, University of Tasmania, Sandy Bay, TAS, 7005, Australia
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Fisher DN, Kilgour RJ, Siracusa ER, Foote JR, Hobson EA, Montiglio PO, Saltz JB, Wey TW, Wice EW. Anticipated effects of abiotic environmental change on intraspecific social interactions. Biol Rev Camb Philos Soc 2021; 96:2661-2693. [PMID: 34212487 DOI: 10.1111/brv.12772] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 06/18/2021] [Accepted: 06/21/2021] [Indexed: 12/30/2022]
Abstract
Social interactions are ubiquitous across the animal kingdom. A variety of ecological and evolutionary processes are dependent on social interactions, such as movement, disease spread, information transmission, and density-dependent reproduction and survival. Social interactions, like any behaviour, are context dependent, varying with environmental conditions. Currently, environments are changing rapidly across multiple dimensions, becoming warmer and more variable, while habitats are increasingly fragmented and contaminated with pollutants. Social interactions are expected to change in response to these stressors and to continue to change into the future. However, a comprehensive understanding of the form and magnitude of the effects of these environmental changes on social interactions is currently lacking. Focusing on four major forms of rapid environmental change currently occurring, we review how these changing environmental gradients are expected to have immediate effects on social interactions such as communication, agonistic behaviours, and group formation, which will thereby induce changes in social organisation including mating systems, dominance hierarchies, and collective behaviour. Our review covers intraspecific variation in social interactions across environments, including studies in both the wild and in laboratory settings, and across a range of taxa. The expected responses of social behaviour to environmental change are diverse, but we identify several general themes. First, very dry, variable, fragmented, or polluted environments are likely to destabilise existing social systems. This occurs as these conditions limit the energy available for complex social interactions and affect dissimilar phenotypes differently. Second, a given environmental change can lead to opposite responses in social behaviour, and the direction of the response often hinges on the natural history of the organism in question. Third, our review highlights the fact that changes in environmental factors are not occurring in isolation: multiple factors are changing simultaneously, which may have antagonistic or synergistic effects, and more work should be done to understand these combined effects. We close by identifying methodological and analytical techniques that might help to study the response of social interactions to changing environments, highlight consistent patterns among taxa, and predict subsequent evolutionary change. We expect that the changes in social interactions that we document here will have consequences for individuals, groups, and for the ecology and evolution of populations, and therefore warrant a central place in the study of animal populations, particularly in an era of rapid environmental change.
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Affiliation(s)
- David N Fisher
- School of Biological Sciences, University of Aberdeen, King's College, Aberdeen, AB24 3FX, U.K
| | - R Julia Kilgour
- Department of Animal Sciences, Purdue University, West Lafayette, IN, 47907, U.S.A
| | - Erin R Siracusa
- Centre for Research in Animal Behaviour, School of Psychology, University of Exeter, Stocker Road, Exeter, EX4 4PY, U.K
| | - Jennifer R Foote
- Department of Biology, Algoma University, 1520 Queen Street East, Sault Ste. Marie, ON, P6A 2G4, Canada
| | - Elizabeth A Hobson
- Department of Biological Sciences, University of Cincinnati, 318 College Drive, Cincinnati, OH, 45221, U.S.A
| | - Pierre-Olivier Montiglio
- Département des Sciences Biologiques, Université du Québec à Montréal, 141 Avenue Président-Kennedy, Montréal, QC, H2X 3X8, Canada
| | - Julia B Saltz
- Department of Biosciences, Rice University, 6100 Main Street, Houston, TX, 77005-1827, U.S.A
| | - Tina W Wey
- Maelstrom Research, The Research Institute of the McGill University Health Centre, Montreal General Hospital, 1650 Cedar Avenue, Montréal, QC, H3G 1A4, Canada
| | - Eric W Wice
- Department of Biosciences, Rice University, 6100 Main Street, Houston, TX, 77005-1827, U.S.A
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Santos PKF, Arias MC, Kapheim KM. Loss of developmental diapause as prerequisite for social evolution in bees. Biol Lett 2019; 15:20190398. [PMID: 31409242 PMCID: PMC6731480 DOI: 10.1098/rsbl.2019.0398] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Diapause is a physiological arrest of development ahead of adverse environmental conditions and is a critical phase of the life cycle of many insects. In bees, diapause has been reported in species from all seven taxonomic families. However, they exhibit a variety of diapause strategies. These different strategies are of particular interest since shifts in the phase of the insect life cycle in which diapause occurs have been hypothesized to promote the evolution of sociality. Here we provide a comprehensive evaluation of this hypothesis with phylogenetic analysis and ancestral state reconstruction (ASR) of the ecological and evolutionary factors associated with diapause phase. We find that social lifestyle, latitude and voltinism are significant predictors of the life stage in which diapause occurs. ASR revealed that the most recent common ancestor of all bees likely exhibited developmental diapause and shifts to adult, reproductive, or no diapause have occurred in the ancestors of lineages in which social behaviour has evolved. These results provide fresh insight regarding the role of diapause as a prerequisite for the evolution of sociality in bees.
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Affiliation(s)
- Priscila Karla Ferreira Santos
- Departamento de Genética e Biologia Evolutiva, Instituto de Biociências - Universidade de São Paulo, Rua do Matão, 277, CEP 05508-090 São Paulo, SP, Brazil
| | - Maria Cristina Arias
- Departamento de Genética e Biologia Evolutiva, Instituto de Biociências - Universidade de São Paulo, Rua do Matão, 277, CEP 05508-090 São Paulo, SP, Brazil
| | - Karen M Kapheim
- Department of Biology, Utah State University, Logan, UT 84322, USA
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Davison PJ, Field J. Environmental barriers to sociality in an obligate eusocial sweat bee. INSECTES SOCIAUX 2018; 65:549-559. [PMID: 30416204 PMCID: PMC6208632 DOI: 10.1007/s00040-018-0642-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Revised: 06/13/2018] [Accepted: 06/27/2018] [Indexed: 06/09/2023]
Abstract
Understanding the ecological and environmental contexts in which eusociality can evolve is fundamental to elucidating its evolutionary origins. A sufficiently long active season is postulated to have been a key factor facilitating the transition to eusociality. Many primitively eusocial species exhibit an annual life cycle, which is thought to preclude the expression of eusociality where the active season is too short to produce successive worker and reproductive broods. However, few studies have attempted to test this idea experimentally. We investigated environmental constraints on the expression of eusociality in the obligate primitively eusocial sweat bee Lasioglossum malachurum, by transplanting nest foundresses from the south to the far north of the United Kingdom, far beyond the natural range of L. malachurum. We show that transplanted bees can exhibit eusociality, but that the short length of the season and harsher environmental conditions could preclude its successful expression. In one year, when foundresses were transplanted only after provisioning first brood (B1) offspring, workers emerged in the north and provisioned a second brood (B2) of reproductives. In another year, when foundresses were transplanted prior to B1 being provisioned, they were just as likely to initiate nesting and provisioned just as many B1 cells as foundresses in the south. However, the life cycle was delayed by approximately 7 weeks and nests suffered 100% B1 mortality. Our results suggest that short season length together with poor weather conditions represent an environmental barrier to the evolution and expression of eusociality in sweat bees.
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Affiliation(s)
- P. J. Davison
- School of Life Sciences, University of Sussex, John Maynard Smith Building, Brighton, BN1 9QG UK
- Centre for Ecology and Conservation, University of Exeter, Penryn Campus, Cornwall, TR10 9EZ UK
| | - J. Field
- School of Life Sciences, University of Sussex, John Maynard Smith Building, Brighton, BN1 9QG UK
- Centre for Ecology and Conservation, University of Exeter, Penryn Campus, Cornwall, TR10 9EZ UK
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