Control of a Primary Parasite of the Greenbug with a Secondary Parasite in Greenhouse Screening for Plant Resistance

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Lysiphlebus testaceipes (Cresson) is a beneficial parasite of greenbug in the field but can be a pest when screening small grains and sorghum in the greenhouse for resistance to the greenbug. The parasite can interfere by reducing greenbug populations needed to show damage to susceptible entries. Caged studies showed that Charips sp. could reduce the level of L. testaceipes to basically that of the control where no primary parasites were present. Observations have shown control in open greenhouses as well. Pachyneuron siphonophorae (Ashmead) could be used to complement Charips sp. in a practical control program.

Document Type: Research Article

Publication date: April 1, 1977

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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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