Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Happy Pollinator Week: June 21-27, 2021! Butterflies and moths are pollinators of many flowering plants.

Did you know? The Hummingbird Clearwing (Hemaris thysbe) hovers in flight and uses its long tongue to sip nectar from flowers.

Julia's Skipper
Nastra julia (H.A. Freeman, 1945)


Family: Hesperiidae
Subfamily: Hesperiinae
Identification: Upperside is dark brown; forewing has 2-5 pale spots; hindwing is unmarked. Underside of hindwing is yellow-brown and veins are the same color, not paler.
Wing Span: 15/16 - 1 1/8 inches (2.4 - 2.9 cm).
Life History: To await females, males perch all day in grassy swales.
Flight: Throughout the year in South Texas, April-October elsewhere.
Caterpillar Hosts: Bermuda grass (Cynodon dactylon).
Adult Food: Flower nectar.
Habitat: Stream banks, grassy ditches, moist grassy places, fields, open areas in scrub woodlands, lawns, flower gardens.
Range: South Texas south to central 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