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NEW SPECIES OF NORTH AMERICAN EPHEMEROPTERA IV*
Published online by Cambridge University Press: 31 May 2012
Extract
Male. Eyes deep black-brown. Head black with the pits of the antennae and a small area posterior to the mid-ocellus pale yellowish. Pronotum black; mesonotum black with slight brownish shading along lateral edges posteriorly; the membranous area between base of wing and fore coxa pale yellowish, shaded with light brown, and containing a blackish streak; metanotum black with slight yellowish tinges in median area; pleura and sternum black with the less heavily chitinized portions, especially around bases of legs, pale yellowish.
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- Copyright © Entomological Society of Canada 1934
References
* Contribution from the Division of Systemtic Entomology, Entomological Branch, Dept. of Agric., Ottawa.
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