
Sweetheart Underwing
Common NameSweetheart Underwing
Scientific NameCatocala amatrix
FamilyErebidae
SubfamilyErebinae
Wingspan (mm)75
Primary Colorsgray, brown, red, black, white
HabitatDeciduous woodlands, riparian areas, parks, and gardens
Geographic RangeEastern North America, from southern Canada south to Florida and west to Texas
Host Plantspoplar, willow, cottonwood
Flight PeriodLate July to October
Conservation Statusleast-concern
Lifecycle NotesLarvae are grey-brown, twig-like caterpillars that feed on the leaves of host trees. They pupate in a cocoon, often in leaf litter or soil, before emerging as adults in late summer.
Identification TipsDistinguishable by its large size, cryptic grey forewings, and the vibrant red hindwings with a prominent black band and white outer margin, which are revealed when the moth is disturbed.
Description
A large moth with mottled grey and brown forewings that provide excellent camouflage against tree bark. Its hindwings are a striking bright red with a broad black median band and a white fringe.




