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Evolutionary patterns of hind wing morphology in dung beetles (Coleoptera: Scarabaeinae) |
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| Authors: | Ming Bai Rolf G Beutel Ke-Qing Song Wan-Gang Liu Hinggan Malqin Sha Li Xiao-Yan Hu Xing-Ke Yang |
| Institution: | 1. Laboratoire de Zoogéographie, Université Paul Valéry Montpellier 3, Montpellier, France;2. Université Paul Valéry Montpellier 3, CNRS, CEFE UMR 5175, EPHE, IRD, Université de Montpellier, Montpellier, France;3. Instituto de Ecología A.C., Xalapa, Veracruz, Mexico;1. Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Ecología, Genética y Evolución, Laboratorio de Eco-Epidemiología, Intendente Güiraldes 2160, Ciudad Universitaria, Pabellón 2, C1428EGA Ciudad Autónoma de Buenos Aires, Argentina;2. CONICET - Universidad de Buenos Aires, Instituto de Ecología, Genética y Evolución (IEGEBA), Ciudad Autónoma de Buenos Aires, Argentina |
| Abstract: | The shape of wings can be a good predictor of adaptations to different selective pressures and the value of wing features in taxonomy and phylogeny has long been recognized. In our investigation of the hind wing evolution of dung beetles (Scarabaeinae) we use geometric morphometrics combined with a cladistic approach. The variations of entire hind wings and of three specific regions of 80 dung beetle species were investigated using 19 landmarks and outline data. Extensive evidence indicates that the wing as a whole and the three separate regions were under different selective pressures. The detailed evolutionary patterns of the three regions and the reconstruction of the ancestral forms were computed by mapping the geometric morphometrics data onto a tree based on a cladistic character analysis. |
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