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TESTS FOR TOXICITY OF ARSENICALS AND SODIUM FLUORIDE TO THE AMERICAN ROACH, PERIPLANETA AMERICANA L.*
Published online by Cambridge University Press: 31 May 2012
Extract
It has been recognized for some time that certain stomach poisons act as contact poisons also. O'Kane and Glover (1935) were among the first to demonstrate that arsenic penetrates the integument of roaches. They give a brief historical account of work preceding 1935. Sodium fluoride has been recommended in this country as an insecticide for the control of roaches since 1915 (Marlatt).
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- Copyright © Entomological Society of Canada 1941
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