Abstract
Electric grid traps baited withHeliothis subflexa (Guenée),H. virescens (F.), orH. zea (Boddie) females captured conspecific males with few exceptions.Heliothis subflexa females reduced the attraction ofH. virescens andH. zea males when used as bait simultaneously with females of either of these two species. Backcrosses were made withH. virescens males and female hybrids from a cross betweenH. subflexa females andH. virescens males. The backcross (BC) females andH. virescens females attracted approximately equal numbers ofH. virescens males in field traps. BC males released in field cages were attracted toH. virescens females and to the synthetic pheromone ofH. virescens. When laboratory-reared maleH. virescens, BC males,H. subflexa males, and F1 hybrid males were exposed to the synthetic pheromone ofH. virescens in Plexiglas wind tunnels,H. virescens males and BC males responded to the pheromone, butH. subflexa and F1 hybrid males did not. The peak activity of bothH. subflexa andH. zea males occurred approx. 4 hr after sunset. MaleH. zea were active throughout most of the night; maleH. virescens were most active approx. 6 hr after sunset.
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This paper reports the results of research only. Mention of a pesticide or of a commercial or proprietary product in this paper does not constitute a recommendation for use by the U.S. Department of Agriculture nor does it imply registration under FIFRA as amended.
Lepidoptera: Noctuidae.
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Tingle, F.C., Mitchell, E.R. & Baumhover, A.H. Sex pheromone specificity inHeliothis . J Chem Ecol 4, 471–479 (1978). https://doi.org/10.1007/BF00989503
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DOI: https://doi.org/10.1007/BF00989503