Mating experience affects male mating success, but not female fecundity in the wolf spider Pardosa pseudoannulata (Araneae: Lycosidae)
文献类型： 外文期刊
作者： Gong, Deyong 1 ; Zhang, Shichang 1 ; Jiao, Xiaoguo 1 ; Hu, Zhiqing 1 ; Sha, Xichen 1 ; Zhang, Shu 2 ; Peng, Yu 1 ;
作者机构： 1.Hubei Univ, Sch Life Sci, State Key Lab Biocatalysis & Enzyme Engn, Wuhan 430062, Peoples R China
2.Hubei Univ, Hubei Acad Agr Sci, Inst Plant Protect & Soil Sci, Wuhan 430064, Peoples R China
关键词： Fecundity; Mating history; Pardosa pseudoannulata; Sperm replenishment; Spider
期刊名称：BEHAVIOURAL PROCESSES （ 影响因子：1.777； 五年影响因子：2.096 ）
ISSN： 0376-6357
年卷期： 2019 年 167 卷
页码：
收录情况： SCI
摘要： In a mating system in which females are monandrous and males are polygynous, females may incur a risk by mating with males with possible sperm depletion following consecutive matings. Here, we examined the effects of male mating history on male mating success and female reproductive fitness in the wolf spider Pardosa pseudoannulata by performing mating trials and sperm counting experiments. Results showed that male mating history had a significant negative impact on subsequent copulation success but had little effect on courtship duration and courtship intensity. In addition, neither male courtship intensity nor morphological measurements of males and females had significant effects on male mating success. Furthermore, male mating history had no obvious impact on the fecundity of inseminated females, with no significant differences observed in the oviposition rate of females, the numbers and the carapace width of the second-instar spiderlings between treatments. Results showed that the number of sperm decreased significantly after mating but could be replenished, with no significant differences observed between groups in which males had rested for 7 d. These findings suggest that polygynous male spiders may recharge their sperm during the mating season, but how females differentiate the mating status of males remains unknown.
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