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EFFECT OF POST-TREATMENT TEMPERATURE ON THE CONTACT TOXICITY OF CYPERMETHRIN SPRAY TO ADULTS OF THE FLEA BEETLE, PHYLLOTRETA CRUCIFERAE (GOEZE)1

Published online by Cambridge University Press:  31 May 2012

L. Burgess  and
C.F. Hinks
L. Burgess
Affiliation:
Agriculture Canada Research Station, 107 Science Crescent, Saskatoon, Saskatchewan, Canada S7N 0X2
C.F. Hinks
Affiliation:
Agriculture Canada Research Station, 107 Science Crescent, Saskatoon, Saskatchewan, Canada S7N 0X2
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Extract

In 1982, the synthetic pyrethroid, cypermethrin, was among the insecticides recommended as a spray for control of adult flea beetles attacking canola crops in Saskatchewan (Saskatchewan Agriculture 1982). Growers reported some problems with its effectiveness at the recommended rates of 14–20 g AI/ha, however, and the recommendation for its use against flea beetles was subsequently discontinued. Laboratory spray trials were begun in 1982 to determine if post-treatment temperature affected the contact toxicity of cypermethrin to adults of the major pest species, Phyllotreta cruciferae (Goeze), and if the dosage that had been recommended was adequate as a contact spray.

Type
Articles
Information
The Canadian Entomologist , Volume 118 , Issue 1 , January 1986 , pp. 79 - 80
Copyright
Copyright © Entomological Society of Canada 1986

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References

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