Journal of Chemical Ecology

, Volume 14, Issue 1, pp 265–276 | Cite as

Influence ofHeliothis virescens sex pheromone dispensers on captures ofH. zea males in pheromone traps relative to distance and wind direction

  • Juan D. LopezJr.
  • J. A. Witz
Article

Abstract

Evaluations conducted by placingHeliothis virescens (F.) sex pheromone (virelure) dispensers at different distances in the predominant downwind and upwind directions fromHeliothis zea (Boddie) pheromone traps indicated that reductions inH. zea male captures were greatest relative to distance when theH. zea traps were located downwind from the virelure dispensers than when the traps were located upwind. When operating traps for both species at the same site, the influence of virelure dispensers on captures inH. zea pheromone traps would be minimized by placing theH. zea traps upwind of theH. virescens traps and, if wind direction is variable, the traps should be spaced at least 75 m apart.

Key words

Tobacco budworm cotton bollworm Heliothis virescens Heliothis zea Lepidoptera Noctuidae sex pheromone virelure trapping pheromone interaction 

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Copyright information

© Plenum Publishing Corporation 1988

Authors and Affiliations

  • Juan D. LopezJr.
    • 2
    • 1
  • J. A. Witz
    • 3
    • 1
  1. 1.United States Department of AgricultureAgricultural Research ServiceUSA
  2. 2.Cotton Insects Research UnitCollege Station
  3. 3.Engineering Equipment and Methods Research Unit Rm 231Agricultural Engineering Building Texas A&M UniversityCollege Station

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