On the evolution of host selection in solitary parasitoids

E. L. Charnov, D. W. Stephens

Research output: Contribution to journalArticlepeer-review

81 Scopus citations

Abstract

Host selection by solitary parasitoids is modeled as a problem in life-historical evolution. The basic approach is to assume fitness maximization in the face of trade-offs. Two kinds of trade-offs are considered: 1) patchy versus fine-grained host distribution, and 2) an egg-production rate that is either negatively related to adult survival or simply a fixed constant. These lead to 4 general cases. The range of hosts attacked under each is derived. The resulting decision rules are similar to several decision rules from classical foraging theory. -from Authors

Original languageEnglish (US)
Pages (from-to)707-722
Number of pages16
JournalAmerican Naturalist
Volume132
Issue number5
DOIs
StatePublished - 1988

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