Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Soapberry Hairstreak
Phaeostrymon alcestis (W.H. Edwards, 1871)

Family: Lycaenidae
Subfamily: Theclinae
Identification: Upperside plain deep brown. Underside of both wings have cells with narrow white bars outlined in black. Postmedian band white, bold, and jagged.
Wing Span: 1 - 1 1/2 inches (2.5 - 3.8 cm).
Life History: Males patrol for females around the canopy. Females lay eggs singly on host plant twigs. Eggs overwinter and hatch in spring; caterpillars feed on leaves.
Flight: One flight from April-July.
Caterpillar Hosts: Western soapberry (Sapindus saponaria var. drummondii).
Adult Food: Flower nectar.
Habitat: Desert foothill canyons, prairie valleys, hedgerows, woodlands, roadsides.
Range: Northeastern New Mexico and southeastern Arizona east to Kansas, south to 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
Alternate Scientific Names:
Phaestrymon alcestis
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