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Effects of food and substrate on oviposition of the spotted cucumber beetle, Diabrotica undecimpunctata howardi Barber, in laboratory culture were studied. Oviposition in soil placed under various foods was used as a measure of adult feeding preference. Several fresh and processed foods elicited an oviposition response. In replicated tests foods in decreasing order of atlractiveness were yellow squash slices, snap bean slices, cucumber slices, broad bean leaves, sweet potato slices, and carrot slices. Various natural and artificial substrates were tested for oviposition preference. Coarse soil particles and soil with cracks were preferred to fine, smooth soil. Artificial substrates in decreasing order of attractiveness were: crushed gray stone (10-20 mesh) , crushed gray stone (ungraded), vermiculite (10-20 mesh), yellow sand (10-30 mesh), soil (10-20 mesh) ,Perlite® (ungraded), vermiculite (ungraded) , and Permit (10-20 mesh) . Effects of moisture level on a Tift fine sandy loam and a Magnolia clay loam soil were tested. Beetles preferred wet soil of both types for oviposition.
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.