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Molleman F, Granados‐Tello J, Chapman CA, Tammaru T. Fruit‐feeding butterflies depend on adult food for reproduction: Evidence from longitudinal body mass and abundance data. Funct Ecol 2022. [DOI: 10.1111/1365-2435.14103] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Freerk Molleman
- Department of Systematic Zoology Institute of Environmental Biology, Faculty of Biology, A. Mickiewicz University Poznań Poland
| | | | - Colin A. Chapman
- Center for the Advanced Study of Human Paleobiology The George Washington University Washington DC USA
| | - Toomas Tammaru
- Institute of Ecology and Earth Sciences University of Tartu Tartu Estonia
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Chotard A, Ledamoisel J, Decamps T, Herrel A, Chaine AS, Llaurens V, Debat V. Evidence of attack deflection suggests adaptive evolution of wing tails in butterflies. Proc Biol Sci 2022; 289:20220562. [PMID: 35611535 PMCID: PMC9130794 DOI: 10.1098/rspb.2022.0562] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Predation is a powerful selective force shaping many behavioural and morphological traits in prey species. The deflection of predator attacks from vital parts of the prey usually involves the coordinated evolution of prey body shape and colour. Here, we test the deflection effect of hindwing (HW) tails in the swallowtail butterfly Iphiclides podalirius. In this species, HWs display long tails associated with a conspicuous colour pattern. By surveying the wings within a wild population of I. podalirius, we observed that wing damage was much more frequent on the tails. We then used a standardized behavioural assay employing dummy butterflies with real I. podalirius wings to study the location of attacks by great tits Parus major. Wing tails and conspicuous coloration of the HWs were struck more often than the rest of the body by birds. Finally, we characterized the mechanical properties of fresh wings and found that the tail vein was more fragile than the others, suggesting facilitated escape ability of butterflies attacked at this location. Our results clearly support the deflective effect of HW tails and suggest that predation is an important selective driver of the evolution of wing tails and colour pattern in butterflies.
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Affiliation(s)
- Ariane Chotard
- Institut de Systématique, Evolution, Biodiversité (ISYEB, UMR 7205), Muséum National d'Histoire Naturelle, CNRS, Sorbonne Université, EPHE, UA, Paris, France
| | - Joséphine Ledamoisel
- Institut de Systématique, Evolution, Biodiversité (ISYEB, UMR 7205), Muséum National d'Histoire Naturelle, CNRS, Sorbonne Université, EPHE, UA, Paris, France
| | - Thierry Decamps
- Unité Mixte de Recherche Mécanismes Adaptatifs et Evolution (MECADEV, UMR 7179), Muséum National d'Histoire Naturelle, CNRS, Paris, France
| | - Anthony Herrel
- Unité Mixte de Recherche Mécanismes Adaptatifs et Evolution (MECADEV, UMR 7179), Muséum National d'Histoire Naturelle, CNRS, Paris, France
| | - Alexis S. Chaine
- Station d'Ecologie Theorique et Experimentale du CNRS (SETE, UAR 2029), Moulis, France
| | - Violaine Llaurens
- Institut de Systématique, Evolution, Biodiversité (ISYEB, UMR 7205), Muséum National d'Histoire Naturelle, CNRS, Sorbonne Université, EPHE, UA, Paris, France
| | - Vincent Debat
- Institut de Systématique, Evolution, Biodiversité (ISYEB, UMR 7205), Muséum National d'Histoire Naturelle, CNRS, Sorbonne Université, EPHE, UA, Paris, France
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3
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A comparative study on insect longevity: tropical moths do not differ from their temperate relatives. Evol Ecol 2022. [DOI: 10.1007/s10682-021-10150-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Chan IZW, Ngan ZC, Naing L, Lee Y, Gowri V, Monteiro A. Predation favours Bicyclus anynana butterflies with fewer forewing eyespots. Proc Biol Sci 2021; 288:20202840. [PMID: 34034526 PMCID: PMC8150031 DOI: 10.1098/rspb.2020.2840] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 05/06/2021] [Indexed: 11/12/2022] Open
Abstract
There are fewer eyespots on the forewings versus hindwings of nymphalids but the reasons for this uneven distribution remain unclear. One possibility is that, in many butterflies, the hindwing covers part of the ventral forewing at rest and there are fewer forewing sectors to display eyespots (covered eyespots are not continuously visible and are less likely to be under positive selection). A second explanation is that having fewer forewing eyespots confers a selective advantage against predators. We analysed wing overlap at rest in 275 nymphalid species with eyespots and found that many have exposed forewing sectors without eyespots: i.e. wing overlap does not constrain the forewing from having the same number or more eyespots than the hindwing. We performed two predation experiments with mantids to compare the relative fitness of and attack damage patterns on two forms of Bicyclus anynana butterflies, both with seven hindwing eyespots, but with two (in wild-type) or four (in Spotty) ventral forewing eyespots. Spotty experienced more intense predation on the forewings, were shorter-lived and laid fewer eggs. These results suggest that predation pressure limits forewing eyespot number in B. anynana. This may occur if attacks on forewing eyespots have more detrimental consequences for flight than attacks on hindwing eyespots.
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Affiliation(s)
- Ian Z. W. Chan
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4 117557, Singapore
| | - Zhe Ching Ngan
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4 117557, Singapore
| | - Lin Naing
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4 117557, Singapore
| | - Yueying Lee
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4 117557, Singapore
| | - V Gowri
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4 117557, Singapore
| | - Antónia Monteiro
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4 117557, Singapore
- Science Division, Yale-NUS College, 16 College Avenue West, 138527, Singapore
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Beldade P, Monteiro A. Eco-evo-devo advances with butterfly eyespots. Curr Opin Genet Dev 2021; 69:6-13. [PMID: 33434722 DOI: 10.1016/j.gde.2020.12.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 12/14/2020] [Accepted: 12/21/2020] [Indexed: 01/09/2023]
Abstract
Eyespots on the wings of different nymphalid butterflies have become valued models in eco-evo-devo. They are ecologically significant, evolutionarily diverse, and developmentally tractable. Their study has provided valuable insight about the genetic and developmental basis of inter-specific diversity and intra-specific variation, as well as into other key themes in evo-evo-devo: evolutionary novelty, developmental constraints, and phenotypic plasticity. Here we provide an overview of eco-evo-devo studies of butterfly eyespots, highlighting previous reviews, and focusing on both the most recent advances and the open questions expected to be solved in the future.
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Affiliation(s)
- Patrícia Beldade
- Instituto Gulbenkian de Ciência, Rua da Quinta Grande 6, 2780-156 Oeiras, Portugal; CE3C: Centre for Ecology, Evolution, and Environmental Changes, Faculty of Sciences, University of Lisbon, Campo Grande C2, 1749-016 Lisboa, Portugal.
| | - Antónia Monteiro
- Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore 117543, Singapore; Science Division, Yale-NUS College, Singapore 138614, Singapore.
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