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Journal of Chemical Ecology

, Volume 16, Issue 10, pp 2889–2898 | Cite as

Preferences of matedHeliothis virescens andH. subflexa females for host and nonhost volatiles in a flight tunnel

  • F. C. Tingle
  • E. R. Mitchell
  • R. R. Heath
Article

Abstract

In flight-tunnel bioassays, mated femaleHeliothis subflexa (Gn.) moths demonstrated in dual-choice tests a significant preference for volatiles from an extract of their only known host,Physalis spp. (groundcherry). However,H. virescens (F.), a polyphagous species, responded positively by anemotaxis to extracts from susceptible tobacco, cotton,Desmodium tortuosum (host plants), and groundcherry, a nonhost.H. virescens females did not fly to volatiles emanating from an extract of a resistant tobacco cultivar.

Key Words

Cotton tobacco groundcherry Physalis Desmodium Heliothis subflexa Heliothis virescens Lepidoptera Noctuidae plant-insect interaction host-plant resistance attractant 

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Copyright information

© Plenum Publishing Corporation 1990

Authors and Affiliations

  • F. C. Tingle
    • 1
  • E. R. Mitchell
    • 1
  • R. R. Heath
    • 1
  1. 1.Agricultural Research Service, U. S. Department of AgricultureInsect Attractants, Behavior, and Basic Biology Research LaboratoryGainsville

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