Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Patagonia eyed silkmoth
Automeris patagoniensis Lemaire, Smith, & Wolfe, 1992


Family: Saturniidae
Subfamily: Hemileucinae
Identification: Females are larger than males. Upperside is orange to brownish orange, with an occasional yellow male; female forewing is darker than hindwing. Forewing of both sexes has faint postmedian lines; hindwing has a small white, gray, and black eyespot.
Wing Span: 2 1/4 - 2 3/4 inches (5.8 - 7 cm).
Life History: Young caterpillars feed in groups and older caterpillars feed alone. Cocoons are spun at the base of the host plant and have a slit through which the adult can emerge.
Flight: One brood from July-August.
Caterpillar Hosts: Bermuda grass (Cynodon dactylon) and bluegrass (Poa species).
Adult Food: Adults do not feed.
Habitat: Grassy areas in oak woodlands at elevations of 4400-5100 feet.
Range: The Huachuca and Patagonia mountains of southern Arizona.
Conservation: All populations should be monitored and conserved.
NCGR: G2 - Imperiled globally because of rarity (6 to 20 occurrences), or because of other factors demonstrably making it very vulnerable to extinction throughout its range. (Endangered throughout its range).
Management Needs: None reported.
Comments: NULL