Protective Spray Tests on Three Species of Bark Beetles in the Western United States

Authors: Smith, R. H.; Trostle, G. C.; McCambridge, W. F.

Source: Journal of Economic Entomology, Volume 70, Number 1, February 1977 , pp. 119-125(7)

Publisher: Entomological Society of America

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In an early extensive series of tests 2% oil solution or aqueous emulsion of lindane or chlorpyrifos. or 2% oil or water suspension of carbaryl prevented both attracted and forced attacks by Dendroctonus brevicomis LeConte, D. ponderosae Hopkins. and D. adjunctus Blandford on Pinus ponderosa Lawson and attacks by D. ponderosae on P. contorta Douglas. The period of effectiveness varied from 3 to more than 36 months depending on the formulation, insecticide, and type of attack: oil solution > emulsion; lindane > chlorpyrifos > carbaryl; forced attacks > attracted attacks. No marked differences could be found between beetle species in a given location. In a later series of attracted attack tests on ponderosa pine, however, 2% water emulsion of chlorpyrifos was not effective against D. ponderosae.

Document Type: Research Article

Publication date: February 1, 1977

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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