Crambus leachellus, or Leach's grass-veneer, is a moth in the family Crambidae. It was described by Johann Leopold Theodor Friedrich Zincken in 1818.[1] It is found in North America, where it has been recorded from Ontario and Maryland to Florida, west to California and Oregon.[2] The habitat consists of grasslands and meadows.
The wingspan is 25–27 mm.[3] Adults are on wing from May to September in two to four generations per year.
The larvae feed on grasses.