''Tinagma pulverilinea'' 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 ...

in the

Douglasiidae Douglasiidae is a small Lepidopteran family including around 28 species of micromoth whose adults are collectively called Douglas moths. The largest genus in the family is '' Tinagma''. They are primarily found in the Palearctic (20 spp.) and N ...

family. It is found in North America, where it has been recorded from

Alberta Alberta ( ) is one of the thirteen provinces and territories of Canada. It is part of Western Canada and is one of the three prairie provinces. Alberta is bordered by British Columbia to the west, Saskatchewan to the east, the Northwest Ter ...

Montana Montana () is a U.S. state, state in the Mountain states, Mountain West List of regions of the United States#Census Bureau-designated regions and divisions, division of the Western United States. It is bordered by Idaho to the west, North ...

and

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the ...

. 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 ...

is 9–11 mm. The forewings are grey with a broad white bar. There is a broad dark transverse fascia just before the middle of the wing, bordered outwardly by a row of white scales. The hindwings are grey.Two Weeks Collecting in Glacier National Park; Annette F. Braun; Proceedings of the Academy of Natural Sciences of Philadelphia; Vol. 73, No. 1 (1921), pp. 1-23
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References

Moths described in 1921 Douglasiidae {{Gracillarioidea-stub