
Bad-wing Moth
Common NameBad-wing Moth
Scientific NameDyspteris abortivaria
FamilyGeometridae
SubfamilyGeometrinae
Wingspan (mm)24
Wing Patternsolid
Primary Colorsgreen
HabitatDeciduous forests, woodlands, and areas with host plants
Geographic RangeEastern North America, from Nova Scotia west to Manitoba, and south to Florida and Texas
Host Plantsmaple, birch, beech
Flight PeriodMay to August
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesEggs are laid on host plants, developing into green looper caterpillars that feed on leaves. They pupate in a cocoon, typically in leaf litter, before emerging as adults.
Identification TipsKey identifiers include its striking emerald green coloration and the noticeably smaller, rounded hindwings that give it a 'bad-wing' appearance. Faint white lines and a small white discal spot may also be present on the forewings.
Description
A small to medium-sized moth with vibrant emerald green wings. The forewings are broad, while the hindwings are distinctly smaller and more rounded, giving it an asymmetrical appearance.





