Optimal egg distribution among host patches for parasitoids subject to attack by hyperparasitoids

Y. Ayal, R. F. Green

Research output: Contribution to journalArticlepeer-review

42 Scopus citations

Abstract

Analysis assumes that hyperparasitoids, which search aphid colonies for aphids that have been infected by parasitoids, decide to leave a colony when they have searched some fixed number of aphids consecutively without finding an infected one. The optimal number of aphids to infect in a colony is sometimes much less than the total number of aphids available. The optimal number of aphids to infect within a colony decreases with a decrease in the colony size, with an increase in the average number of hyperparasitoid visits, and with a decrease in travel time between aphid colonies. -from Authors

Original languageEnglish (US)
Pages (from-to)120-138
Number of pages19
JournalAmerican Naturalist
Volume141
Issue number1
DOIs
StatePublished - Jan 1 1993

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