
Blunt-winged Wave
Common NameBlunt-winged Wave
Scientific NameCyclophora obstataria
FamilyGeometridae
SubfamilySterrhinae
Wingspan (mm)22
Primary Colorstan, light brown
HabitatDeciduous forests, woodlands, shrublands
Geographic RangeEastern North America (from Nova Scotia to Manitoba, south to Florida and Texas)
Host Plantsoak, maple, birch, willow, cherry
Flight PeriodApril to October (multiple broods)
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are 'looper' or 'inchworm' caterpillars, feeding on various deciduous trees and shrubs. They pupate in a cocoon, often on the host plant or in leaf litter.
Identification TipsKey features include its blunt, rounded wings, pale color, and fine dark speckling. Faint, wavy transverse lines and small discal spots are usually present but can be subtle. Distinguishing from similar *Cyclophora* species often requires close examination.
Description
A small, pale tan to reddish-brown moth with rounded wings, finely speckled with dark scales, and often featuring faint wavy lines and a small discal spot on each wing.



