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Natural Enemies of Beet Leafhopper (Eutettix TenellaBaker)

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Among the natural enemies of the beet leafhopper (Eulettix tenella Baker) are a large number of predaceous insects which prey upon the nymphs and adults. Seven species of egg parasites, two species of Pipunculus flies, a Dryinid and a hair-worm were bred by various entomologists in California. The percentage of parasitized hoppers gradually increases during the summer months and reaches its height during August (35.1 per cent). The weak point in the parasitism of the leafhoppers occurs on the plains and foothills where 4.4 to 8.2 per cent were parasitized during the winter and 1 to 1.5 per cent during the spring.

Document Type: Research Article

Publication date: June 1, 1924

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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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