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TOXICITY OF INSECTICIDES TO DOUGLAS-FIR TUSSOCK MOTH, ORGYIA PSEUDOTSUGATA (LEPIDOPTERA: LYMANTRIIDAE): II. RESIDUAL TOXICITY AND RAINFASTNESS12

Published online by Cambridge University Press:  31 May 2012

Jacqueline L. Robertson  and
Lucille M. Boelter
Jacqueline L. Robertson
Affiliation:
Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture, Berkeley, California 94701
Lucille M. Boelter
Affiliation:
Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture, Berkeley, California 94701
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Abstract

Fourth instar Douglas-fir tussock moth were used to assess the residual toxicity of 10 insecticides applied to Douglas-fir seedlings. Among the 10, carbaryl compared most favorably to DDT. Rainfastness of the insecticides was tested by means of a rainchamber. Permethrin, diflubenzuron, and carbaryl were least affected by simulated rainfall, while acephate and trichlorfon were seriously and adversely affected.

Type
Articles
Information
The Canadian Entomologist , Volume 111 , Issue 10 , October 1979 , pp. 1161 - 1175
Copyright
Copyright © Entomological Society of Canada 1979

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References

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