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NEW SPECIES OF NORTH AMERICAN EPHEMEROPTERA II*

Published online by Cambridge University Press:  31 May 2012

J. McDunnough
J. McDunnough
Affiliation:
Ottawa, Ont.
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Extract

Male. Very similar in all respects to guttata McD. but noticeably larger in size. Thorax deep blackish, tinged with brown in the pleural sutures. Abdomen with segments 2-6 and anterior portion of 7 whitish, hyaline, with considerable brownish shading on 2. In place of the lateral black dots of guttata there is a short black transverse streak in the postero-lateral corner of segments 2-6 with some slight brown suffusion anterior to it, especially on segment 2. Rear segments deep chocolate-brown.

Type
Articles
Information
The Canadian Entomologist , Volume 64 , Issue 9 , September 1932 , pp. 209 - 215
Copyright
Copyright © Entomological Society of Canada 1932

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References

* Contribution from the Division of Systematic Entomology, Entomological Branch, Dept. of Agric., Ottawa.