Interactions between pheromone traps with different strength lures for the pine beauty moth,Panolis flammea (Lepidoptera: Noctuidae)

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Abstract
Catches of malePanolis flammea in traps baited with lures containing 25 μg of sex attractant are enhanced when in the proximity of traps baited with 125-μg lures. The degree of enhancement is increased as the intertrap distance is decreased, and when the low-dose trap is upwind of the high-dose one. The patterns of alteration in trap catch suggest that moths initially attracted by one lure may divert into other traps, which may be either upwind of the original trap (“overshooting”), or downwind (“undershooting”). “Overshooting” can result in up to fivefold increases in catch and may provide a useful method for estimating the attractant zone of particular lure/trap combinations.

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