Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Smooth Amphipyra Moth
Amphipyra glabella (Morrison, 1874)

Family: Noctuidae
Subfamily: Amphipyrinae
Identification: Adult: forewing varies from medium to dark gray (and shiny under certain light) with orbicular and reniform spots reduced to dark dots; PM line curved, with large convex sinus below reniform spot; ST line straight, composed of dark gray dots or streaks at the veins, and forming sharp boundary between gray forewing and contrasting light gray or pale yellowish terminal area hindwing light gray, darkening toward outer margin; antennae simple; sexes alike
Wing Span: 3.3-4.0 cm
Life History:
Flight: July to September
Caterpillar Hosts: larvae feed on leaves of Balsam Poplar (Populus balsamifera) and, in the west, Douglas-fir (Pseudotsuga menziesii)
Adult Food:
Habitat: dry deciduous woods; wooded areas along river valleys; western coniferous forests
Range: New Brunswick to Florida, west to Utah, north to British Columbia
Management Needs:
Taxonomy Notes: None.

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