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Control of Pinyon Needle Scale with Dimethoate

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Abstract:

This paper reports on the last in a series of tests to find a control for Matsucoccus acalyptus Herbert. Water-emulsion formulations of 0.5 to 1.0% dimethoate gave similar and effective results. Addition of a surfactant did not significantly increase mortality. Proper timing is important; spray should be applied to all egg-mass concentrations when eggs begin to hatch.

Document Type: Research Article

Publication date: December 16, 1968

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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