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A NEW CHARACTER DISTINGUISHING TETRANYCHUS PACIFICUS McGREGOR FROM T. TELARIUS L.*

Published online by Cambridge University Press:  31 May 2012

A. D. Heriot
A. D. Heriot
Affiliation:
Dominion Entomological Laboratory, Vernon, B. C.
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Extract

The generic characters of the Tetranychidae lie in the tarsal appendages, particularly the claw. The palpi and shape of the male sexual organ are used mainly for the determination of species. These specific characters are depicted in profile; thus, in order to observe them the mite must be mounted and flattened dorso-ventrally. This entails a considerable amount of manipulation, and a high magnification is necessary in order to obtain definition of the minute details.

Type
Articles
Information
The Canadian Entomologist , Volume 73 , Issue 1 , January 1941 , pp. 1
Copyright
Copyright © Entomological Society of Canada 1941

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References

† McGregor, E. A.The red spiders of America and a few European species likely to be introduced. Proc. U. S. Nat. Mus., 1920, p. 657.Google Scholar