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NOTES ON THE EXTERNAL CHARACTERS OF THE SAN JOSE SCALE, CHERRY SCALE, AND PUTNAM'S SCALE

Published online by Cambridge University Press:  31 May 2012

W. G. Johnson
W. G. Johnson
Affiliation:
College Park, Maryland
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Extract

March 14th, 1898.—During the last two or three weeks, I have received inquiries from Georgia, Iowa, Kansas, and Canada, regarding the structural external character of the San José scale (Aspidiotus perniciosus), Cherry scale (A. Forbesi), and Putnam's scale (A. ancylus). I present, therefore, a few notes on these species, which I hope may be of some use to my fellow workers.

Type
Articles
Information
The Canadian Entomologist , Volume 30 , Issue 4 , April 1898 , pp. 82 - 83
Copyright
Copyright © Entomological Society of Canada 1898

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