Natural Control of the Bagworm and Notes on Its Status as a Forest Pest
Author: KULMAN, H. M.
Source: Journal of Economic Entomology, Volume 58, Number 5, October 1965 , pp. 863-866(4)
Publisher: Entomological Society of America
Abstract:Natural control factors affecting the bagworm, Thyridopteryx ephemeraeformis (Haworth), were studied at Natrium, West Virginia, in October, 1960. Seventeen species of insect parasites, predators, and scavengers, including 8 new records, were collected from 2128 cocoons taken from black locust, Robinia pseudoacacia L. Forty percent of the cocoons were normal, 25% were parasitized, and 35% died from other causes. Itoplectis conquisitor (Say) parasitized 18.5% of the bagworms. About 25% of the I.conquisitor were parasitized by Mondontomerus minor (Ratzeburg). Two-thirds of M. minor were hyperparasites and i/3 appeared to be primary parasites. A chloropid fly, Pseudogaurax anchora (Loew), a scavenger, was occasionally predatory on eggs. It was estimated that 99.9% of the new generation was lost before the overwintering stage. Notes are given on the status of the bagworm as an occasional defoliator of forest trees, with special reference to white pine, Pinus strobus L.
Document Type: Research Article
Publication date: October 1, 1965
- 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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