Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Small Checkered-Skipper
Pyrgus scriptura (Boisduval, 1852)

Family: Hesperiidae
Subfamily: Pyrginae
Identification: Upperside is black-brown; forewing white spots are small; hindwing spots are few and submarginal row may be absent. Underside of forewing repeats upperside markings. Underside of hindwing is pale with barely contrasting markings. Male does not have a costal fold. White hindwing fringe is streaked with black only halfway to the edge of the fringe.
Wing Span: 3/4 - 1 inch (2 - 2.5 cm).
Life History: Males patrol and occasionally perch in swales and gullies in their search for receptive females. Eggs are deposited singly on leaves of the host plant. Caterpillars make a webbed leaf nest in which they live and feed.
Flight: One brood from July-August in the north, several broods from March-November in the southern part of the range.
Caterpillar Hosts: Alkali mallow (Sida hederacea), scarlet globemallow (Sphaeralcea coccinea), and desert globemallow (S. ambigua); all in the mallow family (Malvaceae).
Adult Food: Flower nectar.
Habitat: Prairie, open woodland, alkaline marshes and fields.
Range: Montana and eastern Wyoming south through Colorado and New Mexico to Mexico; west through Utah, Nevada, and Arizona to southern California and Baja California Norte.
Conservation: Not usually required.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Comments: NULL