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Monitoring the Emergence and Behavior of Pear Rust Mite (Acarina: Eriophyidae) Deutogynes Using Sticky-Band Traps

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Deutogynes of pear rust mite, Epitrimerus pyri (Nalepa), emerging from overwintering sites on branches of pear, Pyrus communis L., were captured in the laboratory and field using sticky-band traps. On branches in the laboratory, mite emergence was stimulated by light, and active mites were positively phototactic. Emergence was not affected by bud development. The rate of mite emergence at 15°C was significantly less than at 20°C. In the orchard, the same trends of emergence and activity were recorded from traps on fruit spurs and on 2-yr-old branches. In 1991, emergence began slowly in late March, peaked sharply in mid-April, then declined to near zero by early May. The results are discussed in relation to the potential for the development of a predictive model of pear rust mite emergence upon which growers could base the timing of acaricide applications.

Document Type: Research Article

Publication date: October 1, 1992

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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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