Beneficial arthropod behavior mediated by airborne semiochemicals - III. Influence of age and experience on flight chamber responses of Microplitis demolitor wilkinson

F. Hérard, M. A. Keller, W. J. Lewis, James Homer Tumlinson, III

Research output: Contribution to journalArticle

52 Citations (Scopus)

Abstract

Heliothis zea (Boddie) larvae fed cowpea seedlings produced volatile semiochemicals to which Microplitis demolitor Wilkinson responded in a wind tunnel. However, most M. demolitor females reared from H. zea larvae fed an artificial diet were not responsive at emergence to the same volatile semiochemicals. A preflight contact with frass from H. zea fed cowpea was needed to stimulate a response of sustained flight in a wind tunnel. The most consistent flight response was 7-10 days postemergence. Response resulting from both antennal and ovipositor contact with host frass during preflight stimulation was no better than from antennal contact alone. Chilling the parasitoid pupae rendered most of the emerging females unresponsive to volatile semiochemicals.

Original languageEnglish (US)
Pages (from-to)1583-1596
Number of pages14
JournalJournal of Chemical Ecology
Volume14
Issue number7
DOIs
StatePublished - Jul 1988

Fingerprint

Microplitis demolitor
beneficial arthropods
semiochemical
semiochemicals
Helicoverpa zea
Arthropods
Pheromones
arthropod
Zea mays
frass
flight
wind tunnels
wind tunnel
cowpeas
Wind tunnels
Larva
larva
Chilling
Pupa
artificial diet

All Science Journal Classification (ASJC) codes

  • Ecology
  • Biochemistry
  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

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abstract = "Heliothis zea (Boddie) larvae fed cowpea seedlings produced volatile semiochemicals to which Microplitis demolitor Wilkinson responded in a wind tunnel. However, most M. demolitor females reared from H. zea larvae fed an artificial diet were not responsive at emergence to the same volatile semiochemicals. A preflight contact with frass from H. zea fed cowpea was needed to stimulate a response of sustained flight in a wind tunnel. The most consistent flight response was 7-10 days postemergence. Response resulting from both antennal and ovipositor contact with host frass during preflight stimulation was no better than from antennal contact alone. Chilling the parasitoid pupae rendered most of the emerging females unresponsive to volatile semiochemicals.",
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AU - Lewis, W. J.

AU - Tumlinson, III, James Homer

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