About Pyrausta lethalis Grote, 1881
Pyrausta lethalis, commonly known as the lethal pyrausta moth, is a species of moth belonging to the family Crambidae. It was first described by Augustus Radcliffe Grote in 1881. This species is found in North America, with recorded populations ranging from California (including the Mojave Desert and Los Angeles) to southern Nevada, southern Arizona, and the Big Bend region of Texas. The wingspan of adult Pyrausta lethalis is approximately 16 mm. Its forewings are purplish brown and marked with a dark brown exterior line. The subterminal area of the forewings is pale brown, shaded with whitish tones. The hindwings are pale fuscous and feature a black terminal line. Adult moths have been recorded in flight from March through October.
