Laboratory and Field Tests with the Granulosis of the Red-Banded Leaf Roller1
Author: GLASS, E. H
Source: Journal of Economic Entomology, Volume 51, Number 4, August 1958 , pp. 454-457(4)
Publisher: Entomological Society of America
Abstract:A granulosis caused by a virus, Bergoldia clistorhabdion (W. and S.) has been observed in larvae of the red-banded leaf roller, Argyrotaenia velutinana (Wlk.) in an occasional apple orchard in New York. The disease has not been observed to be abundant enough to influence appreciably population levels. In the laboratory first instar larvae readily contracted the disease when fed on apple leaves treated with suspensions of triturated diseased larvae at dilutions from 1 last instar larva per 1000 ml. of water to 1 larva per 512,000 ml. of water. Disease symptoms and death developed more rapidly at the higher concentrations than at the lower. Suspensions of triturated diseased larvae at rates of 5,50 and 100 larvae per 100 gallons sprayed on apple trees during the hatching of first brood eggs infected and destroyed most larvae, but not before they damaged many fruits.
Document Type: Research Article
Publication date: 1958-08-01
- 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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