© 2018-20 by Neil Henning Björklund

Ana River, Lake Co, July 28 - female

Mojave 

Sootywing

Hesperopsis libya

Size: Up to 1.5 inch wingspan

Key ID features: Above very dark brown with several white spots or bars on FW (bolder on female). Below deep brown-black with a few white spots near the tip of the FW. Below, HW has several white patches or bars, with a single spot close to wing base. 

Similar species: Common Sootywing is smaller and darker, with white face.

Host plant: Fourwing saltbush (Atriplex canescens) and related shrubs.

Habitat: Hot, dry sage and alkali flats, often near waterbody.   

Range:  Southern half of Lake, Harney and Malheur counties.

Season: Late July to early August

Abundance: Uncommon 

 

Conservation Status: Secure