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COCCIDÆ OF BRITISH NORTH AMERICA

Published online by Cambridge University Press:  31 May 2012

George. B. King
George. B. King
Affiliation:
Lawrence, Mass.
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Extract

Eulecanium fraxini, n. sp.–Adult ♀ scale 6 mm. long, 5 broad,2 high; some individuals are practically circular in outline and variable in size. In July the scales are well covered with a grayish powdery secretion; this being removed they are reddish brown, considerably wrinkled and pitted, surface shiny, texture thick.

Boiled in potash the derm becomes very clear and transparent, showing some large gland-pits 24 μ in diameter. Mouth-parts, legs and anal plates tinged with yellow.

Type
Articles
Information
The Canadian Entomologist , Volume 34 , Issue 6 , June 1902 , pp. 158 - 161
Copyright
Copyright © Entomological Society of Canada 1902

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References

* This was cites as an Aulacaspis, but Mr. Newstead has shown it to belong to Diaspis. (Ckll. in Litt.)