Residua Underwing
Common NameResidua Underwing
Scientific NameCatocala residua
FamilyErebidae
SubfamilyErebinae
Wingspan (mm)65
Wing Patterncryptic
Primary Colorsgrey, brown, black
HabitatDeciduous forests, woodlands, areas with hickory trees
Geographic RangeEastern North America, from southern Canada to Florida and west to Texas
Host Plantshickory (Carya spp.), shagbark hickory (Carya ovata)
Flight PeriodJuly to October
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae feed on hickory leaves. The species overwinters as an egg, with a single brood emerging annually.
Identification TipsDistinguished by its mottled grey and brown forewings with a prominent, somewhat jagged white subterminal band and a distinct postmedian line. The bright orange hindwings with a black median band are characteristic when visible.
Description
A medium-sized moth with cryptically patterned forewings in shades of grey, brown, and black, designed to mimic tree bark. Its hindwings, typically hidden at rest, are bright orange with black bands.
