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United States Department of Agriculture

Agricultural Research Service

Title: Physical Constraints on Pheromone Dispersal in Storage Environments: Effects on Orientation Behavior

item Mankin, Richard
item Hagstrum, David

Submitted to: Entomology International Congress Proceedings
Publication Type: Proceedings
Publication Acceptance Date: April 30, 1996
Publication Date: N/A

Technical Abstract: Orientation of flying insects to pheromone in a closed, warehouse environment is not as efficient as that in a field environment where wind direction and plume intermittency provide additional cues about the location of a pheromone source. The effects of adsorption and re-emission of pheromone from nearby surfaces also are relatively more important in a storage than in a field environment. In this report, the alterations in searching behavior that result from such constraints are considered by three dimensional analysis of searching behavior flights by male Cadra cautella (Lepidoptera: Pyralidae). The shape of the plume around a pheromone-emitting female is inferred from comparisons with published descriptions of flights in a wind tunnel.

Last Modified: 4/22/2015
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