About Thorybes mexicana confusis Bell, 1923
Thorybes mexicana, commonly called the Mexican cloudywing, mountain cloudy wing, or Nevada cloudy wing, is a butterfly belonging to the family Hesperiidae. It can be found in high elevation mountains of the western United States, with its range extending south into Mexico.
The subspecies Thorybes mexicana confusis is often recognized as a separate species, called the confused cloudywing or eastern cloudywing (Thorybes confusis). This subspecies ranges from southeastern Pennsylvania west to Missouri, and extends south along the Atlantic Coastal plain to central Florida, the Gulf Coast, and Texas. Stray individuals of this subspecies have been found as far north as southeastern Kansas, southern Illinois, and New Jersey.
The wingspan of this butterfly measures 29 to 35 millimetres (1.1 to 1.4 inches). Adults are active on the wing from June to August, with one new generation produced per year. Larvae feed on species in the genera Trifolium, Vicia, and Lathyrus. Adult butterflies feed on flower nectar.