Plusiinae (Lepidoptera: Noctuidae) Populations in Louisiana Soybean Ecosystems as Determined with Looplure-Baited Traps

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An adult population survey of four species of the noctuid subfamily Plusiinae was conducted in soybean ecosystems of south, south-central, and north-central Louisiana. Sticky traps baited with synthetic sex pheromone (Z)-7-dodecen-1-ol acetate were used as the sampling tools for two growing seasons. The soy bean looper, Pseudoplusia includens (Walker), reached the highest densities of the plusiinecomplex, with four and five generations detected in the southern and central regions of the state. Although Rachiplusia ou (Guenée) were found to contribute considerably to the plusiine population in June, adult densities were quite low during the later summer months. Trichoplusia ni (Hübner) and T. oxygramma (Geyer) seldom attained high numbers at any location.

Document Type: Research Article

Publication date: August 1, 1982

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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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