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Prey interception drives web invasion and spider size determines successful web takeover in nocturnal orb-web spiders
Gan, Wenjin; Liu, Shengjie; Yang, Xiaodong; Li, Daiqin; Lei, Chaoliang
2015
Source PublicationBIOLOGY OPEN
ISSN2046-6390
Volume4Issue:10Pages:1326-1329
AbstractA striking feature of web-building spiders is the use of silk to make webs, mainly for prey capture. However, building a web is energetically expensive and increases the risk of predation. To reduce such costs and still have access to abundant prey, some web-building spiders have evolved web invasion behaviour. In general, no consistent patterns of web invasion have emerged and the factors determining web invasion remain largely unexplored. Here we report web invasion among conspecifics in seven nocturnal species of orb-web spiders, and examined the factors determining the probability of webs that could be invaded and taken over by conspecifics. About 36% of webs were invaded by conspecifics, and 25% of invaded webs were taken over by the invaders. A web that was built higher and intercepted more prey was more likely to be invaded. Once a web was invaded, the smaller the size of the resident spider, the more likely its web would be taken over by the invader. This study suggests that web invasion, as a possible way of reducing costs, may be widespread in nocturnal orb-web spiders.
Subject AreaLife Sciences & Biomedicine - Other Topics
Language英语
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/10422
Collection其他
土壤生态组
Recommended Citation
GB/T 7714
Gan, Wenjin,Liu, Shengjie,Yang, Xiaodong,et al. Prey interception drives web invasion and spider size determines successful web takeover in nocturnal orb-web spiders[J]. BIOLOGY OPEN,2015,4(10):1326-1329.
APA Gan, Wenjin,Liu, Shengjie,Yang, Xiaodong,Li, Daiqin,&Lei, Chaoliang.(2015).Prey interception drives web invasion and spider size determines successful web takeover in nocturnal orb-web spiders.BIOLOGY OPEN,4(10),1326-1329.
MLA Gan, Wenjin,et al."Prey interception drives web invasion and spider size determines successful web takeover in nocturnal orb-web spiders".BIOLOGY OPEN 4.10(2015):1326-1329.
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