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

Pollinator Week was June 20-26, 2022!

Butterflies and moths are accidental pollinators of many flowering plants. While most species do not have special structures to carry pollen, they do brush against pollen and transfer it to other flowers.

Did you know? The Eastern Tailed-Blue (Cupido comyntas) flies close to the ground and uses its short proboscis to probe flowers of wild strawberry, white sweet clover, and other low-lying plants.