Eriocrania breviapex is a moth of the family Eriocraniidae. It is found in the Cayuga Lake Basin of north-western New York.
The wingspan is 7.5–9 mm. The forewings are light fuscous with a slight bronze to purplish iridescence, irregularly marked with small pale golden to brassy spots. The hindwings are paler than the forewings and sparsely scaled with long, slender, hairlike brownish-fuscous scales.A Revision of the North American Moths of the Superfamily Eriocranioidea with the Proposal of a New Family, Acanthopteroctetidae (Lepidoptera) Adults are on wing from early to mid May in one generation per year.
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