Induced indirect defence in a lycaenid-ant association: the regulation of a resource in a mutualism
Induced indirect defence in a lycaenid-ant association: the regulation of a resource in a mutualism
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DOI：
10.1098/rspb.2000.1221
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发表时间：
2000-09-22
影响因子：
4.7
通讯作者：
Fordyce, JA
中科院分区：
文献类型：
--
作者：
Agrawal, AA;Fordyce, JA
间接防御涉及互惠伙伴对宿主生物体的保护。对宿主生物体的捕食威胁可能会引起奖励和/或吸引互惠伙伴的信号的产生。在实验室和现场实验中，我们表明，受威胁的狼蝴蝶幼虫（Plebejus acmon）从其腺体中产生更多的花蜜奖励，并且受到保护性蚂蚁的照料是对照组的两倍。在没有捕食者的情况下，蚂蚁的出现并不会影响幼虫的叶子消耗或进食行为。该系统中的诱导性花蜜产生和间接防御可能是幼虫在最需要时提供服务奖励的机制。这样的系统可以通过防止任何一方的利用来稳定狼幼虫和蚂蚁之间的互惠关系。
Indirect defences involve the protection of a host organism by a mutualistic partner. Threat of predation to the host organism may induce the production of rewards and/or signals that attract the mutualistic partner. In laboratory and field experiments we show that threatened lycaenid butterfly larvae (Plebejus acmon) produce more nectar rewards from their gland and were tended by protective ants twice as much as controls. Ant attendance did not affect the leaf consumption or feeding behaviour of larvae in the absence of predators. Inducible nectar production and indirect defence in this system may be a mechanism by which larvae provide rewards for services when they are needed the most. Such a system may stabilize the mutualistic association between lycaenid larvae and ants by preventing exploitation by either partner.