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Two sexes respond equally to food restriction in a sexually dimorphic but not body mass dimorphic jumping spider
Li, Qin; Liu, Jing-Xin; Dong, Bing1; Xiao, Rong; Chen, Zhanqi1
2021
Source PublicationECOLOGY AND EVOLUTION
ISSN2045-7758
Volume11Issue:20Pages:14033-14041
AbstractNatural selection favors animals that evolve developmental and behavioral responses that buffer the negative effects of food restrictions. These buffering responses vary both between species and within species. Many studies have shown sex-specific responses to environmental changes, usually in species with sexual size dimorphism (SSD), less found in species with weak or no SSD, which suggests that sizes of different sexes are experiencing different selections. However, previous studies usually investigated development and behavior separately, and the balanced situation where males and females of sexually dimorphic species respond in the same way to food restriction remains little known. Here, we investigated this in Phintelloides versicolor (Salticidae) that presents sexual dimorphism in color and shape but weak SSD. We examined whether food restriction induced the same responses in males and females in development duration, adult body size and weight, daily time allocated to foraging, and hunting. We found food restriction induced similar responses in both sexes: both exhibited longer development duration, smaller adult body size and weight, higher probability of staying outside nests and noticing prey immediately, and higher hunting success. However, there were sexual differences regardless of food condition: females showed faster development, smaller adult body size, higher probability of staying outside of nests, and higher hunting success. These indicated the differential selection on male and female sizes of P. versicolor could be under a balanced situation, where males and females show equal developmental and behavioral plasticity to environmental constraints.
Keywordfecundity selection life history traits sex role sex-specific response sexual difference
Subject AreaEnvironmental Sciences & Ecology ; Evolutionary Biology
DOI10.1002/ece3.8112
Indexed BySCI
Language英语
WOS IDWOS:000697611300001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/12396
Collection2012年后新成立研究组
Affiliation1.Guizhou Univ, Inst Entomol, Guizhou Prov Key Lab Agr Pest Management Mt Reg, Guiyang 550025, Guizhou, Peoples R China
2.Chinese Acad Sci, CAS Key Lab Trop Forest Ecol, Xishuangbanna Trop Bot Garden, Mengla 666303, Yunnan, Peoples R China
3.Chinese Acad Sci, Environm Educ Ctr, Xishuangbanna Trop Bot Garden, Mengla, Peoples R China
Recommended Citation
GB/T 7714
Li, Qin,Liu, Jing-Xin,Dong, Bing,et al. Two sexes respond equally to food restriction in a sexually dimorphic but not body mass dimorphic jumping spider[J]. ECOLOGY AND EVOLUTION,2021,11(20):14033-14041.
APA Li, Qin,Liu, Jing-Xin,Dong, Bing,Xiao, Rong,&Chen, Zhanqi.(2021).Two sexes respond equally to food restriction in a sexually dimorphic but not body mass dimorphic jumping spider.ECOLOGY AND EVOLUTION,11(20),14033-14041.
MLA Li, Qin,et al."Two sexes respond equally to food restriction in a sexually dimorphic but not body mass dimorphic jumping spider".ECOLOGY AND EVOLUTION 11.20(2021):14033-14041.
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