Pecan Nut Casebearer (Lepidoptera: Pyralidae) Sex Pheromone Used To Monitor Phenology and Estimate Effective Range of Traps

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Sex pheromone traps for pecan nut casebearer, Acrobasis nuxvorella Neunzig, were deployed at densities of 1, 2, and 4 traps per tree in blocks of 9 trees or in single, isolated trees replicated 4 times in an isolated, vegetatively propagated pecan orchard in western Texas to examine male moth activity. The phenology of overwintering generation pecan nut casebearer male moth activity was consistent among the 6 treatments. Male moth capture per trap tended to decrease as traps per tree increased, but captures per tree were not significantly different among the 6 treatments, indicating an effective catch area of 1 tree for a trap. Catch differences were found among trees within the 9-tree blocks, with fewer moths caught in traps within the center tree and more captured in the southwestern tree, west tree column, and south tree row. Trap lines extending away from the orchard caught few moths. Pheromonebaited traps show merit in detecting moth phenology and may have application in assessing moth density for making pest management decisions.

Document Type: Research Article

Publication date: August 1, 1997

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  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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