
Wavy-lined Geometer
Common NameWavy-lined Geometer
Scientific NameIridopsis dataria
FamilyGeometridae
SubfamilyEnnominae
Wingspan (mm)30
Wing Patterncryptic
Primary Colorsgrey, brown, black
HabitatDeciduous woodlands, forests, suburban areas
Geographic RangeEastern North America, from Nova Scotia south to Florida, west to Texas and Manitoba
Host Plantsoak, maple, birch, willow, cherry
Flight PeriodMay to September
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesUndergoes complete metamorphosis; larvae are 'inchworms' or 'loopers' that feed on various deciduous trees and shrubs before pupating.
Identification TipsKey features include its overall mottled grey-brown coloration and the distinct wavy, dark lines across both forewings and hindwings, particularly the prominent postmedial line.
Description
This moth has a mottled grey and brown appearance, providing excellent camouflage against bark or stone. Its wings are marked with several wavy, dark transverse lines.




