Catoptria latiradiellus, the Three-spotted Crambus Moth or Two-banded Catoptria, is a moth in the Crambidae family. It was described by Walker in 1863. It is found in North America, where it has been recorded from Yukon and British Columbia to Newfoundland, south to Pennsylvania, Michigan and Colorado. The habitat consists of wet tundra, boreal forests and grasslands. The larvae probably feed on mosses.