Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Alkali Skipper
Pseudocopaeodes eunus (W.H. Edwards, 1881)


Family: Hesperiidae
Subfamily: Hesperiinae
Identification: Upperside is bright brownish orange to yellowish orange with dark narrow borders and dark vein ends. Male forewing has a narrow black stigma which runs diagonally. Underside is dull yellow; veins may or may not be dark. There are usually 2 pale rays on the hindwing.
Wing Span: 1 - 1 1/4 inches (2.5 - 3.2 cm).
Life History: Not reported.
Flight: Several flights from April-September.
Caterpillar Hosts: Desert salt grass (Distichlis spicata var. stricta).
Adult Food: Flower nectar.
Habitat: Grassy spots on alkali flats.
Range: Southern Nevada south through eastern and southern California to Baja California Norte.
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