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Evaluation of Some Commercially Available Trap Designs and Sex Pheromone Lures for Spodoptera exigua (Lepidoptera: Noctuidae)

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Abstract:

Three commercially available sex pheromone lures (Trécé, Scentry, and Hercon) for the beet armyworm, Spodoptera exigua (Hübner), were effective for capturing males in Universal Moth Traps (Unitraps). The Trécé and Scentry lures were equally effective, and there was some evidence for significantly greater captures with Hercon than with Trécé lures. Longevity of the Trécé. Scentry, and Hercon lures was 23, 37, and 28-37 d, respectively. Of the trap designs evaluated, Unitraps were the most effective. All-green and all-white Unitraps baited with Trécé lures were significantly less effective than those with a green cover, yellow top, and white bottom (multicolored). Multicolored Unitraps captured significantly greater numbers of males than Multipher 1, 2, or 3 traps, and than commercially fabricated wire cone or commercially available Scentry Heliothis traps. Checking the Scentry Heliothis traps daily, rather than at 2- or 3-d intervals, as a way to reduce escape of moths that did not enter the trap tops, did not increase efficacy relative to Unitraps. There was no significant difference between captures in the wire cone and Scentry traps. These data should be useful in developing a standard trapping system for monitoring and population dynamics studies of the beet armyworm.

Document Type: Research Article

Publication date: April 1, 1998

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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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