Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Gray-streaked Armywom Moth
Spodoptera albula (Walker, 1857)

Family: Noctuidae
Subfamily: Noctuinae
Identification: Forewing brownish-gray with dark streaks along veins; thin black basal dash a distinctive feature; reniform spot a small dark dot; lacks diffuse patch around reniform spot and lacks dark streak extending to outer margin (both characteristics of the similar S. eridania); hindwing white with pale gray shading and dotted black terminal line
Wing Span: 3.3-3.5 cm
Life History:
Flight: mostly during latter half of year, especially November
Caterpillar Hosts: Pigweed (Amaranthus spp.)
Adult Food:
Range: Southern United States, south to South America
Management Needs:
Taxonomy Notes: None.