Beneficial arthropod behavior mediated by airborne semiochemicals - V. Influence of rearing method, host plant, and adult experience on host-searching behavior of Microplitis croceipes (Cresson), a larval parasitoid of Heliothis

Y. C. Drost, W. J. Lewis, J. H. Tumlinson

Research output: Contribution to journalArticlepeer-review

75 Scopus citations

Abstract

Rearing the parasitoid M. croceipes on hosts fed cowpea-seedling leaves instead of artificial diet increased the percentage of oriented flights to odors of a cowpea seedling-H. zea complex in a flight tunnel. However, the increase in response was much stronger after adult females had searched a fresh plant-host complex just prior to a test. The host plant appears to be of major importance in the parasitoid-host relationship: host-plant species, growth phase, and part of the host plant influence the parasitoid's response in the flight tunnel. The percentage of inexperienced females responding to infested leaves was higher for 4- to 5-day-old females than for 0- to 1-day-old females, while the response to uninfested flowers was equally high for both age groups. Olfactory experience with odors of an attractive plant-host complex increased the response to an unattractive plant-host complex. Possible implications of the results are discussed.

Original languageEnglish (US)
Pages (from-to)1607-1616
Number of pages10
JournalJournal of Chemical Ecology
Volume14
Issue number7
DOIs
StatePublished - Jul 1 1988

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Biochemistry

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