Response of male potato stem borer moths,Hydraecia micacea (Esper) to conspecific females and synthetic pheromone blends in the laboratory and field |
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| Authors: | E L Burns P E A Teal |
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| Affiliation: | (1) Department of Environmental Biology, University of Guelph, NIG 2WI Guelph, Ontario, Canada;(2) Insect Attractants, Behavior, and Basic Biology Research Laboratory Agricultural Research Service, U.S. Department of Agriculture, 32604 Gainesville, Florida |
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| Abstract: | Behavior of males ofHydraecia micacea (Esper) responding to virgin females and to synthetic pheromone blends were investigated in a laboratory wind tunnel. The synthetic blend consisted of saturated 14 Ac (68.9%),Z9–14Ac (3.4%),E11–14Ac (14.6%), andZ11–14Ac (13.1%). Virgin females were significantly better lures than the four-component synthetic blend for most behaviors. By deleting components individually from the four-component blend,Z9–14Ac,Z11–14Ac, and saturated 14Ac were found to be necessary for communication butE11–14Ac was found to have no effect on typical pheromone-mediated reproductive behaviors. Close-range studies suggested that chemicals of low volatility, released from moths, were important in eliciting copulation attempts. Field studies reinforced laboratory findings regarding the effectiveness of different lures and indicated thatHeliothis traps were the most effective for monitoring. |
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| Keywords: | Hydraecia micacea Lepidoptera Noctuidae potato stem borer sex pheromones field trapping reproductive behavior tetradecenyl acetate (Z)-9-tetradecenyl acetate (E)-11-tetradecenyl acetate (Z)-11-tetradecenyl acetate |
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