HOST-FEEDING STRATEGIES OF PARASITOID WASPS

被引：85

作者：

CHAN, MS ^{[1
]}

GODFRAY, HCJ ^{[1
]}

机构：

[1] UNIV LONDON IMPERIAL COLL SCI & TECHNOL,DEPT BIOL,SILWOOD PK,ASCOT SL5 7PY,BERKS,ENGLAND

来源：

EVOLUTIONARY ECOLOGY | 1993年 / 7卷 / 06期

关键词：

HOST FEEDING; PARASITOIDS; DYNAMIC PROGRAMMING;

D O I：

10.1007/BF01237823

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

Three models of the evolution of host-feeding behaviour in parasitoid wasps are developed. The first assumes that the wasp host feeds purely to obtain resources to mature eggs (limited resource model) while the second assumes that host feeding provides energy for maintenance (pro-ovigenic model). The third model assumes that host feeding provides resources for both maintenance and egg maturation (resource pool model). Two variants of the third model are examined: the first assumes that the risk of mortality is constant and state-independent, the second that resource-depleted individuals suffer a higher risk of mortality. The models are analysed using a combination of stochastic dynamic programming and analytical techniques. The models make different predictions about the relationships between the probability of host feeding and egg load and host density. The available experimental evidence best supports the resource pool model.

引用

页码：593 / 604

页数：12

共 35 条

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