Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Saltbush Sootywing
Hesperopsis alpheus (W.H. Edwards, 1876)

Family: Hesperiidae
Subfamily: Pyrginae
Identification: Fringes are checkered. Upperside is black. Forewing has a mottled gray pattern and a row of dark bars near the outer margin. Hindwing may have pale spots. Underside is black; hindwing with small pale spots.
Wing Span: 3/4 - 1 1/4 inches (2 - 3.2 cm).
Life History: To find receptive females, males patrol all day around the host plants and in gulches. Caterpillars eat leaves and make shelters of rolled leaves.
Flight: Two broods from May-September.
Caterpillar Hosts: Shadscale (Atriplex canescens) and quail brush (Atriplex lentiformis) in the goosefoot family (Chenopodiaceae).
Adult Food: Flower nectar.
Habitat: Desert washes, alkali flats, arid canyons.
Range: Nevada east to Colorado; south to southern California, Arizona, New Mexico, the lower Rio Grande Valley of Texas, and Chihuahua, Mexico.
Conservation: Not usually required.
NCGR: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Comments: NULL
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