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首页> 外文期刊>Ethology >Spring Usurpation Restlessness: A Wasp Social Parasite Adapts its Seasonal Activity to the Host Cycle
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Spring Usurpation Restlessness: A Wasp Social Parasite Adapts its Seasonal Activity to the Host Cycle

机译：春季侵占躁动：黄蜂社交寄生虫使其季节性活动适应宿主周期

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摘要

In animals, restlessness is a strategy to fulfil a goal within a narrow seasonal window when ecological and physiological constraints require the performance of certain fundamental events. Although restlessness can be expected in parasitic species that have their biological cycle similar to that of the host, no 'urge to parasitize' has thus far been demonstrated in any host-parasite pair. The paper wasp, Polistes sulcifer, is a social parasite that has lost the nest-building ability and marked by the absence of the worker caste; it depends on a congeneric host species to reproduce. Host colony usurpation is successful when it occurs in a well-defined seasonal window. The short time available for host-nest usurpation might lead to parasite restlessness that overlaps this period. Under controlled laboratory conditions, we demonstrated that the parasite females exhibit 'usurpation restlessness' during the period in which field usurpations occur. Additional experiments showed that both this period and laboratory temperature influence the parasite's 'urge to usurp'.
机译：在动物中，当生态和生理限制要求执行某些基本事件时，躁动是在狭窄的季节性窗口内实现目标的策略。虽然在生物学周期与宿主相似的寄生虫物种中可以预期到躁动不安，但是到目前为止，在任何宿主-寄生虫对中都没有表现出“寄生的冲动”。黄蜂（Polistes sulcifer）是一种社会寄生虫，已经失去了筑巢的能力，并且没有工人种姓。它取决于同类宿主物种的繁殖。在明确的季节窗口中发生宿主菌落篡夺成功。可用于宿主巢状侵夺的时间很短，可能导致寄生虫躁动不安，这一时期重叠了。在受控的实验室条件下，我们证明了寄生虫雌性在​​野外侵占发生期间表现出“侵略性躁动”。其他实验表明，这段时期和实验室温度都会影响寄生虫的“篡夺冲动”。

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