Western Cloudywing (Thorybes diversus Bell)
Wing span: 1 1/4 - 1 1/2 inches (3.2 - 3.8 cm).
Identification: Upperside is dull brown with small pale spots. Males lack a costal fold. Underside is dull brown with gray scaling at margins; hindwing with indistinct dark bands.
Life history: To await females, males perch in small forest openings. Eggs are laid singly on the host plant.
Flight: One brood from June-July.
Caterpillar hosts: Cow clover (Trifolium wormskjoldii) in the pea family (Fabaceae).
Adult food: Flower nectar.
Habitat: Small openings in coniferous forests.
Range: Local and scarce. South Cascade mountains of Oregon and the Sierra Nevada of California.
