NEW SPECIES OF NORTH AMERICAN EPHEMEROPTERA IV
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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1870 ◽
Vol 3
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pp. 266
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2010 ◽
Vol 47
(12)
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pp. 1451-1462
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