''Idia denticulalis'', the toothed idia, is a

litter moth The Herminiinae are a subfamily of moths in the family Erebidae. The members of the subfamily are called litter moths because the caterpillars of most members feed on dead leaves of plants, though others feed on living leaves, and/or the mushroom ...

of the family Erebidae. The species was first described by Leon F. Harvey in 1875. It is found in

Quebec Quebec ( ; )According to the Canadian government, ''Québec'' (with the acute accent) is the official name in Canadian French and ''Quebec'' (without the accent) is the province's official name in Canadian English is one of the thirtee ...

, Canada, and the US from

Wisconsin Wisconsin () is a state in the upper Midwestern United States. Wisconsin is the 25th-largest state by total area and the 20th-most populous. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake M ...

New England New England is a region comprising six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York (state), New York to the west and by the Can ...

, south to

Alabama (We dare defend our rights) , anthem = "Alabama" , image_map = Alabama in United States.svg , seat = Montgomery , LargestCity = Huntsville , LargestCounty = Baldwin County , LargestMetro = Greater Birmingham , area_total_km2 = 135,765 ...

and

Texas Texas (, ; Spanish: ''Texas'', ''Tejas'') is a state in the South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2020, it is the second-largest U.S. state by ...

. 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 25 mm. Adults are on wing from April to September in Maryland and from July to August in Quebec. There is one generation per year in the north, two or more generations on the south. Larvae feed on lichen and detritus, including dead leaves.

References

* * Herminiinae Moths of North America {{Herminiinae-stub Moths described in 1875 Taxa named by Leon F. Harvey