Tolerance of Western Corn Rootworm Larvae (Coleoptera: Chrysomelidae) to 6-Methoxy-2-benzoxazolinone, a Corn Semiochemical for Larval Host Location

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Abstract:

6-Methoxy-2-benzoxazolinone (MBOA) and 2,4-dihydroxy-7-methoxy-l,4- benzoxazin-3-one (DIMBOA), its natural precursor, are toxic to many insect species. We studied the possible toxicity of MBOA, a host-location semiochemical for western corn rootworm larvae, to larvae of this species. DIMBOA previously was shown by other workers to be toxic to frst-instar western corn rootworm, Diabrotica virgifera virgifera LeConte. Using methods that previously showed DIMBOA to be toxic, we found that MBOA had no toxic effects on larvae of the western corn rootworm. The tolerance of western corn rootworm larvae to MBOA is consistent with the putative role of this benzoxazolinone as a semiochemical for the species.

Document Type: Research Article

Publication date: June 1, 1994

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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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