Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Viereck's Skipper
Atrytonopsis vierecki (Skinner, 1902)

Family: Hesperiidae
Subfamily: Hesperiinae
Identification: Upperside is grayish brown with large clear spots on the forewing; male forewing has a distinct stigma. Underside is pale gray-brown with pale overscaling; forewing spots are dull; hindwing has white spots below the costa and 2 short dark bars.
Wing Span: 1 1/4 - 1 5/8 inches (3.2 - 4.2 cm).
Life History: To watch for receptive females, males perch in dry gulches or streambeds all day.
Flight: One brood from April-June.
Caterpillar Hosts: Not reported.
Adult Food: Flower nectar.
Habitat: Open woodland and gulches in plains and prairies.
Range: Southern Utah, southern Colorado, Arizona, New Mexico, and west Texas.
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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