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Role of Predaceous Ants in Pear Psylla (Homoptera: Psyllidae) Management: Estimating Colony Size and Foraging Range of Formica neoclara (Hymenoptera: Formicidae) through a Mark-Recapture Technique

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The foraging range of Formica neoclara (Emery) workers, determined through the use of a mark-release-recapture technique in which ants were marked with fast-drying enamel spray paint was :::::7.6m, with an estimated foraging area of 179 m' per colony. Ants from a single nest foraged in as many as five trees. Ants from separate nests did not forage in the same trees, indicating that each colony had discrete foraging territories. Worker populations ranged from 500 to 24,500; :::::28%of the worker population were foragers. Worker population was positively related to nest size.

Document Type: Research Article

Publication date: October 1, 1991

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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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