Identification: Adults mostly yellow, first three abdominal segments black. Head is black, with yellow facial scales. FW orange brown with darker veins; HW clear with a deep yellow discal mark, fringed with dark brown scales.
Antennae of males are bipectinate, simple in females
Wing Span: female 3.0-3.6 cm, male 2.3-3.0 cm
Life History: Larvae bore into limbs of host
Caterpillar Hosts: Poplars, Willows
Range: From Alaska, along the Pacific coast to southern CA, inland to the desert Southwest, throughout the Rockies, east to North Dakota and Kansas.
Taxonomy Notes: None.
Displaying 1 - 2 of 2 verified sightings
Observation date: Jul 27, 2014
Submitted by: Nancy Hamlett
Region: Los Angeles County, California, United States