Soil Treatments with Insecticides for Control of the Eye Gnats Hippelates collusor and H. hermsi¹

Authors: MULLA, MIR S.; BRRNES, MARTIN M.; GARBER, M. J.

Source: Journal of Economic Entomology, Volume 53, Number 3, June 1960 , pp. 362-365(4)

Publisher: Entomological Society of America

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Abstract:

Hippelates gnats breed predominantly in loose, cultivated soils, and one approach to their control is through soil treatments. The effectiveness of aldrin and other soil insecticides was investigated in the field. Aldrin and heptachlor sprays and granules within the range of practical dosages produced moderate initial control of Hippelates gnats but gave no significant reduction in gnat breeding after a lapse of 7 to 10 months. Dieldrin was not tested for its initial effectiveness, but at moderate dosages gave no control of gnats 7 months after application. Thiodan^® (6,7,8,9,1 0,10-hexachloro-1,5,5a,6,9,9a-hexahydro-6,9- methano-2,4,8-benzodioxathiepin-3-oxide) at the highest applied dosage (6.2 lbs. per acre) was ineffective, and results with toxaphene were inconclusive.

DDT was the only insecticide among the materials tested that gave a high degree of initial control of Hippelates collusor (Townsend). This material, when applied at 18 pounds actual toxicant per acre, gave 95% reduction of the emerging gnats initially. The long-term residual effectiveness of this material is not yet known.

Document Type: Research article

Publication date: 1960-06-01

More about this publication?

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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