''Acanthopteroctetes tripunctata'' is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of w ...

of the family Acanthopteroctetidae. It was described by Annette Frances Braun in 1921. It is found in the US state of

Montana Montana () is a state in the Mountain West division of the Western United States. It is bordered by Idaho to the west, North Dakota and South Dakota to the east, Wyoming to the south, and the Canadian provinces of Alberta, British Columb ...

.A Revision of the North American Moths of the Superfamily Eriocranioidea with the Proposal of a New Family, Acanthopteroctetidae (Lepidoptera)
/ref> The

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

is about 11 mm for males. The forewings are fuscous with a slight coppery luster and with three large, pale yellowish spots. The hindwings are slightly paler and the scales are narrower than those on the forewings. Adults are on wing in July, probably in one generation per year.

References

Moths described in 1921 Moths of North America Natural history of Montana Acanthoctesia {{Moth-stub