Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Ultronia Underwing
Catocala ultronia (Hübner, 1823)

Family: Erebidae
Subfamily: Erebinae
Identification: Medium-sized, with brown, wood-grained forewing, variably tinted with whitish. Note dark brown subapical patch and shading along inner margin, covering long, thing black basal and anal dashes. Hindwing orangish red with black bands.
Wing Span: 4.6-6 cm.
Life History:
Flight: July-September.
Caterpillar Hosts: Members of the rose family, such as apple and cherry trees.
Adult Food:
Management Needs:
Comments: NULL

National Moth Week was July 23-31, 2022!

Moths are amazing creatures. Take photographs and share your moth sightings with us to document the moths where you live. Learn more.