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Filtering by: Advisor Rudinsky, Julius A. Committee Member Sower, Lonne L. Commencement Year 1979

Pheromone-mediated behavior of adult Douglas-fir tussock moths, Orgyia pseudotsugata (McD.) (Lepidoptera: Lymantriidae)

Creator:

Swaby, James Archie

Abstract:

The sinuous flight behavior of male Douglas-fir tussock moths, Orgyia pseudotsugata, (McD.), is characterized by positive anemotaxis and positive chemoklinotaxis and varies depending on distance from the pheromone source, population density, and time of day. Visual cues play a minor role in close-range orientation to a pheromone source, but males...

Resource Type:

Dissertation

Full Text:

. Appreciation is extended to Dr. Julius A. Rudinsky for accepting me into a graduate study program under his