''Eriocraniella trigona'' is a
moth of the family
Eriocraniidae
Eriocraniidae is a family of moths restricted to the Holarctic region, with six extant genera. These small, metallic moths are usually day-flying, emerging fairly early in the northern temperate spring. They have a proboscis with which they drin ...
. It was described by Davis in 1978. It is found in
California.
A Revision of the North American Moths of the Superfamily Eriocranioidea with the Proposal of a New Family, Acanthopteroctetidae (Lepidoptera)
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The wingspan is 6–8 mm. The forewings and fringe are uniformly fuscous with a bronzy to purplish iridescence. The hindwings are paler in color, more grayish and less iridescent and the scales are moderately broad. Adults are on wing in mid May in one generation per year.
References
Moths described in 1978
Eriocraniidae
{{Eriocranioidea-stub