Identification: Forewing gray with brown shading along the base and inner margin half. Well defined dark transverse lines that are forked to form a double Y pattern. Short scattered very short, dark marks throughout. Hindwing lacks any marks and is a pale gray.
Wing Span: 3.4-4.8 cm
Flight: June to September
Caterpillar Hosts: Unknown
Range: Colorado and western Texas to California and Oregon.
Taxonomy Notes: None.