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Antennnal olfactory and behavioral response of southern pine beetle,Dendroctonus frontalis, to analogs of its
T L Payne1, N A Andryszak, H Wieser
1Department of Entomology, Texas A&M University College Station, 77843, Texas, USA.
Abstract:
Antennal olfactory (electroantennogram) and laboratory and field behavioral tests were carried out on the response ofDendroctonus frontalis to its aggregation pheromone frontalin and analogs. The analogs were compounds modified by altering the position and methyl groups and/or by their deletion. Any modification to the frontalin structure significantly reduced both the antennal olfactory and behavioral response byD. frontalis. Beetle response, although significantly reduced, was elicited at the receptor level and in a laboratory bioassay by all analogs. However, only one analog (endo-5,7-dimethyl-Frontalin) elicited significant response from field populations of the beetle.
