Ovipositional Preference of Squash Bugs (Heteroptera: Coreidae) Among Cucurbits in Oklahoma

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Six squash cultivars, Cucurbita spp., were evaluated in the field during 1983 and 1984, and five cucurbit hosts were evaluated during 1985 for ovipositional preference by squash bugs, Anasa Tristis (De Geer). Yellow straightneck 'Hyrific' and crookneck squashes were found to be the most preferred in the squash study. In the cucurbit study, two cultivars of C. pepo L., yellow straightneck 'Hyrific' squash and 'Jack o' Lantern' pumpkin, were most preferred. Relatively few egg masses were found on watermelon, Citrullus lanatus (Thunberg) Matsumura & Nakai 'Crimson Sweet'; muskmelon, Cucumis mela L. 'Hales Best #36'; and cucumber, Cucumis sativus L. 'Poinsett.' The abaxial leaf surfaces of all hosts in both studies were the favored ovipositional site of squash bugs. This phenomenon is important in developing squash bug sampling strategies and in insecticide applications.

Document Type: Research Article

Publication date: June 1, 1990

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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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