Extreme developmental synchrony reduces sibling cannibalism in the black widow spider, Latrodectus hesperus
详细信息 查看全文
- 作者：J. Chadwick Johnson<sup> ; sup><sup>jchadwick@asu.edu" class="auth_mail" title="E-mail the corresponding authorsup> ; Rebecca Halpin ; Dale R. Stevens II
- 关键词：developmental synchrony ; intraspecific predation ; Latrodectus hesperus ; siblicide ; sibling cannibalism
- 刊名：Animal Behaviour
- 出版年：2016
- 出版时间：October 2016
- 年：2016
- 卷：120
- 期：Complete
- 页码：61-66
- 全文大小：423 K
文摘
- ss="listitem" id="list_ulist0010">
- ss="label">•
Siblicide in spiderlings may occur most often when one sibling has a size advantage.
- ss="label">•
Females may synchronize their clutches to minimize cannibalism within their clutch.
- ss="label">•
Developmental asynchrony sped siblicide by 3 days relative to control groups.
- ss="label">•
Some spider families are more influenced by developmental asynchrony than others.
- ss="label">•
Maternal egg investment yielded lower cannibalism at lower temperatures.