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Economic injury levels (ElL) and economic thresholds (ET) for tarnished plant bug, Lygus lineolaris (Palisot de Beauvois) on apple tree (Malus sylvestris Mill.) were established with sticky traps and a beating tray. ETs were based on 1987 apple and chemical control costs and assuming that a period of 24 h would be required for control implementation. ElLs ranged from 0.5 to 2.8 cumulative captures per sticky trap and 0.8 to 4.5 cumulative captures per 50 limb taps, depending on the insecticide used and the period of apple tree phenology during which L. lineolaris were captured.
Document Type: Research Article
Publication date: December 1, 1989
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.