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| Content Provider | Springer Nature Link |
|---|---|
| Author | Setoguchi, Shiori Takamori, Hisaki Aotsuka, Tadashi Sese, Jun Ishikawa, Yukio Matsuo, Takashi |
| Copyright Year | 2014 |
| Abstract | Sexual dimorphism is often derived from sexual selection. In sexually dimorphic Drosophila species, exaggerated male structures are used for specific behaviors in male-to-male competition or courtship toward females. In Drosophila prolongata, a member of the melanogaster species group, males have enlarged forelegs whereas females do not. However, the adaptive role of the enlarged forelegs is unclear because little is known about the behavior of D. prolongata. In this study, the courtship behavior of D. prolongata was investigated in comparison with closely related species. Males of D. prolongata use their forelegs in a specific behavior, “leg vibration”, in which the male vigorously vibrates the female’s abdomen by extending his forelegs from in front of her. Leg vibration was observed immediately before “attempting copulation”, indicating that it has an adaptive role in the mating process. In contrast, leg vibration was not observed in closely related species. Because the large forelegs are necessary to accomplish leg vibration, it was suggested that the sexual dimorphism of D. prolongata forelegs is currently under the influence of sexual selection in courtship behavior. |
| Starting Page | 91 |
| Ending Page | 102 |
| Page Count | 12 |
| File Format | |
| ISSN | 02890771 |
| Journal | Journal of Ethology |
| Volume Number | 32 |
| Issue Number | 2 |
| e-ISSN | 14395444 |
| Language | English |
| Publisher | Springer Japan |
| Publisher Date | 2014-03-25 |
| Publisher Place | Tokyo |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Co-evolution of morphology and behavior Video recording Behavior-transition analysis D. melanogaster species group Leg vibration Zoology Behavioural Sciences Animal Ecology Evolutionary Biology Neurosciences |
| Content Type | Text |
| Resource Type | Article |
| Subject | Animal Science and Zoology Ecology, Evolution, Behavior and Systematics |
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