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In micro field plot cages, an application of Filipjevimermis leipsandra to the soil in the egg stage resulted in parasitization of 50 to 100% (x = 78%) of Diabrotica balteata LeConte larvae. More multiple infections of insect larvae occurred in caged soil containing the highest level of nematode eggs. In a greenhouse pot test and in caged and uncaged small field plots, F. leipsandra applied to the soil in the egg and preparasitic stages appeared highly promising in protecting sprouted corn seedlings from D. balteata. In a laboratory infectivity test, the rate of larval parasitism declined significantly over a 10-day period when D. balteata were introduced into soil initially inoculated with F. leipsandra.
Document Type: Research Article
Publication date: June 1, 1983
More about this publication?
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.