Abstract

Numbers of Korscheltellus gracilis (Grote) adults caught on sticky traps are compared between: east and west aspects of Camels Hump Mountain, open canopy gaps and mature conifer stands at 1,000 m elevation, and within dense conifer stands, glades, and glade edges. Numbers trapped were significantly higher on the west aspect and in mature open understory conifer stands. More moths were trapped in glades and along glade edges than in dense conifer stands. Males were caught most often at ground level in dense conifers, at 1 and 2 m height in glades, and at 1 m on glade edges. We suggest that males fly through glades and small gaps searching for female pheromone plumes, and mated females deposit their eggs while perching between short flights.

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