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Divergence and correlated evolution of male wing spot and courtship display between Drosophila nepalensis and ***

Insect Science 2022年第5期29卷 1445-1460页

作者： Wen-Zhou Mo Zhuo-Miao Li Xiang-Mei Deng Ai-Li Chen Michael G.Ritchie De-Jun Yang Zhuo-Bin He Masanori J.Toda Shuo-Yang Wen Department of Entomology College of Plant ProtectionSouth China Agricultural UniversityGuangzhouChina School of Biology University of St AndrewsSt AndrewsUK Acoustics Laboratory Guangdong Institute of MetrologySouth China National Centre of MetrologyGuangzhouChina The Hokkaido University Museum SapporoJapan

Male-specific wing spots are usually associated with wing displays in the courtship behavior of Drosophila and may play important roles in sexual *** closely related species,*** and ***,differ in wing spots and scissoring ***,we compare male morphological characters,pigmentation intensity of male wing spots,wing-scissoring behavior,courtship songs,and reproductive isolation between 2 species.F1 fertile females and sterile males result from the cross between females of *** and males of *** pigmentation of wing spots is significantly weaker in *** than in *** and the F1 *** scissor both wings in front of the female during courtship,with a posture spreading wings more widely,and at a faster frequency in *** than in *** and the *** of *** vibrate wings to produce 2 types(A and B)of pulse songs,whereas *** and the F1s sing only type B *** incidence of wing vibration and scissoring during courtship suggests that wing vibration is essential but scissoring is a facultative courtship element for successful mating in both *** association between the darker wing spots with more elaborate scissoring might be the consequence of correlated evolution of these traits in ***;however,*** retains wing scissoring during courtship despite having weaker pigmentation of wing *** genetic architecture of 2 traits differs in the F1s,consistent with maternal or sex-linked effects for spots but nonadditive effects for scissoring.

关键词： correlated evolution courtship song Drosophila nepalensis Drosophila trilutea wing display wing spot

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