''Pyrausta pythialis'' 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 family

Crambidae The Crambidae are the grass moth family of lepidopterans. They are variable in appearance, the nominal subfamily Crambinae (grass moths) taking up closely folded postures on grass stems where they are inconspicuous, while other subfamilies includ ...

. It was described by William Barnes and

James Halliday McDunnough James Halliday McDunnough (10 May 1877 – 23 February 1962) was a Canadian linguist, musician, and entomologist best known for his work with North American Lepidoptera, but who also made important contributions about North American Ephemerop ...

in 1918. It is found in North America, where it has been recorded from

Manitoba , image_map = Manitoba in Canada 2.svg , map_alt = Map showing Manitoba's location in the centre of Southern Canada , Label_map = yes , coordinates = , capital = Win ...

and

Saskatchewan Saskatchewan ( ; ) is a province in western Canada, bordered on the west by Alberta, on the north by the Northwest Territories, on the east by Manitoba, to the northeast by Nunavut, and on the south by the U.S. states of Montana and North ...

. 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 about 17 mm. The forewings are deep pink, with a bright yellow patch at the base of the wing on the inner margin. The hindwings are smoky with a bright yellow central area on the outer margin. Adults have been recorded on wing in June.

References

Moths described in 1918 pythialis Moths of North America {{Pyrausta (moth)-stub