Western-us-endemic

Guides

• Catocala grotiana

  Grote's Underwing Moth, Grote's Underwing

  Catocala grotiana is a large underwing moth in the family Erebidae, first described by James S. Bailey in 1879. The species is characterized by its cryptic forewings and brightly colored hindwings, a defensive trait common to the genus Catocala. It occurs in the western United States, with documented records from Arizona, Utah, Colorado, Washington, and areas north and east of California. Adults are active in late summer, with larvae feeding on Populus and Salix species.

  underwing-mothwestern-US-endemicriparian-habitatPopulus-feederSalix-feederlate-summer-emergencecryptic-colorationstartle-defensenocturnalunivoltine