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Composition and Diagnosis of Pine Tip Moth Infestations In the Southeas1

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Three species of Rhyacionia tip moths (Olethreutidae) attack pine trees in the Southeastern United States. Identification of adults reared from 22 samples of infested pine tips collected in 7 States showed that nearly half the samples contained more than 1 species of tip moth. Rhyacionia frustrana (Comstock) was present in all samples. In samples of mixed composition, the second species was Either R. rigidana (Fernald) or R. subtropica Miller. Binomial confidence intervals are proposed for practical use in diagnosing the species involved in infestations from samples of identified moths. Further, a guide is presented to help identify the species of larval and adult specimens. Setal characters are used for differentiation of tip moth larvae, and wing color pattern, wing length, and genital characters for differentiation of adults.

Document Type: Research Article

Publication date: October 1, 1964

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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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