Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Large Roadside-Skipper
Amblyscirtes exoteria (Herrich-Schäffer, 1869)


Family: Hesperiidae
Subfamily: Hesperiinae
Identification: Fringes are checkered; male forewing has a long stigma. Upperside is brown with an orange tint; forewing has small white spots. Underside is dark brown with gray overscales; forewing repeats upperside pattern but with larger spots, hindwing has many small, white spots.
Wing Span: 1 1/4 - 1 1/2 inches (3.2 - 3.8 cm).
Life History: Adults are most active in the morning, and spend the rest of the day in shady places.
Flight: One brood from June-September.
Caterpillar Hosts: Probably muhly (Muhlenbergia emersleyi) in the grass family (Poaceae).
Adult Food: Flower nectar.
Habitat: Open woodland, oak canyons.
Range: Arizona and southwestern New Mexico south into Mexico.
Conservation: Not usually required.
NCGR: G3 - Very rare or local throughout its range or found locally in a restricted range (21 to 100 occurrences). (Threatened throughout its range).
Management Needs: None reported.
Comments: NULL