Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Hualapai buckmoth
Hemileuca hualapai (Neumoegen, 1882)


Family: Saturniidae
Subfamily: Hemileucinae
Identification: Abdomen of both sexes is red. Upperside of wings is beige with a pink tint. Forewing has a yellow-orange costa and a faint median band.
Wing Span: 2 - 3 1/16 inches (5.1 - 7.7 cm).
Life History: After mating in the early evening, females deposit eggs in rings around grass stems. Eggs hatch in late July to early August, and young caterpillars feed in large groups. Caterpillars develop rapidly and in September they pupate in loose cocoons spun among grass stems, at the base of grass clumps, or in leaf litter on the ground. Cocoons overwinter.
Flight: One flight from April-May.
Caterpillar Hosts: Grama (Bouteloua) and other grasses.
Adult Food: Adults do not feed.
Habitat: Semidesert juniper-oak grasslands.
Range: Southcentral Arizona and Sonora, Mexico.
Conservation: Populations should be inventoried to determine conservation status.
NCGR: GU - Unable to assign rank due to lack of available information.
Management Needs: None reported.
Comments: NULL