Locust Underwing
Common NameLocust Underwing
Scientific NameCatocala maestosa
FamilyErebidae
SubfamilyErebinae
Wingspan (mm)85
Primary Colorsgrey, brown, orange, black
HabitatDeciduous forests, woodlands, riparian areas, parks
Geographic RangeEastern North America (southern Ontario and Quebec south to Florida, west to Texas and Kansas)
Host PlantsRobinia pseudoacacia, Gleditsia triacanthos
Flight PeriodJuly to October
Conservation Statusleast-concern
Lifecycle NotesLarvae feed on the leaves of host trees, pupate in a cocoon, and adults emerge in late summer. The species overwinters in the egg stage.
Identification TipsKey features include its large size, the distinctive pattern of two broad black bands on the orange hindwings, and its association with locust trees. The forewings are highly variable in their mottled grey-brown camouflage.
Description
A large moth characterized by its cryptically mottled grey-brown forewings that resemble tree bark, and striking orange hindwings with two broad black bands and a black border.
