Cultural and Chemical Control Strategies for Three Plant Bug (Heteroptera: Miridae) Pests of Birdsfoot Trefoil in Northern Wisconsin

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Several cultural and chemical control methods were evaluated for reducing population levels of the plant bugs AdeLphocoris lineolatus (Goeze), Lygus Lineolaris (Palisot de Beauvois), and Plagiognathus chrysanthemi (Wolff) in birdsfoot trefoil (Lotus corniculatus L.) grown in northern Wisconsin.In insecticide efficacytrials, all insecticides (malathion, dimethoate, trichlorfon, and t1uvalinate) significantly reduced populations of plant bugs. Fluvalinate was slightly less effective than the other insecticides, particularly against L. Lineolaris. Insecticides applied in June provided a longer period of control (before adult plant bugs dispersed into the sprayed areas) than did applications made in July. Spring burning of the previous fall's trefoil regrowth also significantly reduced populations of plant bugs but was slightly less effective than insecticide applications. Removal of plant material following seed harvest during late summer did not provide significant control of plant bugs for the following year.

Document Type: Research Article

Publication date: October 1, 1990

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.
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