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SOME INSECTS INFESTING THE “SELENIUM INDICATOR” VETCHES IN SASKATCHEWAN*

Published online by Cambridge University Press:  31 May 2012

W. B. Fox
W. B. Fox
Affiliation:
Dominion Entomological Laboratory, Saskatoon, Sask.
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Extract

It is known that selenium is highly toxic to mammals (1, 3) and to some insects (6, 8). Aphids cannot tolerate any appreciable quantities of selenium in host plants (4, 5, 10). A selenium content higher than 5 p.p.m. in cotton plants was reported toxic to cotton stainers (Dysdercus howardi Ballou) and to pink bollworm (Platyedia gossypiella Saund.) (6, 8).

Type
Articles
Information
The Canadian Entomologist , Volume 75 , Issue 11 , November 1943 , pp. 206 - 207
Copyright
Copyright © Entomological Society of Canada 1943

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References

LITERATURE CITED

1. Beath, O. A., Draize, J. H. and Gilbert, C. S., 1934. Plants poisonous to livestock: Wyo. Expt. Sta. Bull. 200.Google Scholar
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