Insecticidal Degradation by Pseudomonas melophthora, the Bacterial Symbiote of the Apple Maggot1

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Pseudomonas melophthora (Allen and Riker), an obligate extracellular bacterial symbiote of the apple maggot, Rhagoletis pomonella (Walsh), has demonstrable degradation activities against all 6 insecticides tested (dichlorovos, diazinon, parathion, DFP (diisopropyl phosphorofluoridate), dieldrin, and carbaryl), belonging to 3 major groups (chlorinated hydrocarbons, organophosphates, and carbamates). This is the first demonstration of insecticidal degradation by an insect microbial symbiote. However, the significance of this unique property as a possible protecting mechanism of the host insect is unknown.

Document Type: Research Article

Publication date: August 1, 1967

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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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