Betrothed Underwing
Common NameBetrothed Underwing
Scientific NameCatocala relicta
FamilyErebidae
SubfamilyErebinae
Wingspan (mm)75
Wing Patterncryptic
Primary Colorsgrey, white, black
HabitatDeciduous and mixed forests, woodlands
Geographic RangeNorth America (eastern and central Canada, northern United States)
Host PlantsPopulus, Betula, Salix
Flight PeriodLate July to October
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae feed on the leaves of poplar, birch, and willow trees. Pupation occurs in a cocoon in leaf litter or soil, with adults emerging in late summer.
Identification TipsDistinguished by its mottled grey and white forewings and the striking black hindwings with a broad, pure white median band. This white hindwing band is a key identifier.
Description
A large moth with cryptically patterned grey and white forewings that mimic bark or lichen, concealing bright white and black hindwings when at rest.
