''Eriocrania breviapex'' is a

moth Moths are a group of insects that includes all members of the order Lepidoptera that are not Butterfly, butterflies. They were previously classified as suborder Heterocera, but the group is Paraphyly, paraphyletic with respect to butterflies (s ...

of the family Eriocraniidae. It is found in the Cayuga Lake Basin of north-western

New York New York most commonly refers to: * New York (state), a state in the northeastern United States * New York City, the most populous city in the United States, located in the state of New York New York may also refer to: Places United Kingdom * ...

. The

wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the opposite wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingsp ...

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.

References

breviapex Endemic insects of the United States Leaf miners Lepidoptera of the United States Moths described in 1978 Taxa named by Donald R. Davis (entomologist) {{Eriocranioidea-stub