Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Mallow Scrub-Hairstreak
Strymon istapa (Reakirt, [1867])

Family: Lycaenidae
Subfamily: Theclinae
Identification: One short hindwing tail. Upperside dark gray; female with blue-gray at lower half of hindwing. Underside hindwing gray with one round black spot near base of costa, postmedian row of small black dots.
Wing Span: 7/8 - 1 1/4 inches (2.2 - 3.2 cm).
Life History: Caterpillars eat stems and young leaves of host plant.
Flight: All year; number of broods has not been determined.
Caterpillar Hosts: Plants in mallow family (Malvaceae) including alkali mallow (Sida hederacea) and coastal Indian mallow (Abutilon permolle); also bay cedar (Suriana maritima).
Adult Food: Nectar from small-flowered trees and composites, croton.
Habitat: Open disturbed areas, second growth, weedy pastures, roadsides.
Range: Brazil north through Central America, the West Indies, and Mexico to southern California, southern Arizona, South Texas, and peninsular Florida.
Conservation: Any limited U. S. populations may require conservation.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: Maintain present habitats and manage for necessary host and nectar plants.
Comments: NULL