Angus’ Underwing
Common NameAngus’ Underwing
Scientific NameCatocala angusi
FamilyErebidae
SubfamilyErebinae
Wingspan (mm)75
Wing Patterncryptic
Primary Colorsgrey, brown, black, purple
HabitatDeciduous woodlands, oak forests
Geographic RangeEastern North America
Host PlantsOak (Quercus spp.)
Flight PeriodJuly to October
Flight Styledarting
Conservation Statusleast-concern
Lifecycle NotesLarvae feed on oak leaves, pupating in leaf litter. The species overwinters as eggs, producing one generation annually.
Identification TipsKey features include the cryptic grey and brown forewing pattern with specific black markings, and the contrasting dark purplish-black hindwings which are revealed when the moth is disturbed.
Description
A medium-sized moth with mottled grey and brown forewings that provide excellent camouflage against tree bark. Its hindwings, typically concealed at rest, are a deep purplish-black.
