Male opportunistic mating increases with intensity of female sexual cannibalism in 3 web-building spiders
作者机构：State Key Laboratory of Biocatalysis and Enzyme Engineering of China&Centre for Behavioral Ecology&EvolutionSchool of Life SciencesHubei UniversityWuhan 430062China Department of Biological SciencesNational University of SingaporeSingapore 117543Singapore
出 版 物：《Current Zoology》 (动物学报（英文版）)
年 卷 期：2022年第68卷第1期
页 面：113-119页
核心收录：
学科分类：0710[理学-生物学] 07[理学] 0905[农学-畜牧学] 0906[农学-兽医学] 071002[理学-动物学]
基 金：This work was supported by grants from the National Natural Science Foundation of China(NSFC-31801979 and 31872229) the Singapore Ministry of Education(MOE)AcRF Tier 1 grant(R-154-000-B18-114)
主 题：opportunistic mating sexual cannibalism web-building spider
摘 要：Sexual conflict is common in animals,and female sexual cannibalism represents an extreme form of sexual *** in many species have evolved a variety of strategies to circumvent or decrease the risk of female sexual *** mating,by which a male mates with a female when she is disturbed or when she is feeding or undertaking moulting,is one of such kinds of strategies,and widely occurs in many animals,especially in ***,whether the occurrence of male opportunistic mating depends on the intensity of female sexual cannibalism remains largely *** predicted a positive correlation between *** this study,we tested this prediction by performing a series of mating trials in the laboratory using 3 species of web-building spiders with different intensities of female sexual cannibalism:Nephila pilipes,Nephilengys malabarensis,and Parasteatoda *** found that the occurrence of male opportunistic mating was positively,though not statistically significantly,correlated with the intensity of female sexual cannibalism,thus supporting our *** together,we provide evidence that male opportunistic mating may have evolved to respond to the selection pressure posed by female sexual cannibalism.
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