Wavy-lined Bark Moth
Common NameWavy-lined Bark Moth
Scientific NameBiston sinuaria
FamilyGeometridae
SubfamilyEnnominae
Wingspan (mm)45
Primary Colorsgrey, white, brown, black
HabitatWoodlands, forests, parks, gardens
Geographic RangeEurope, parts of Asia
Host Plantsoak, birch, willow, poplar, hawthorn
Flight PeriodMay to August
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesThe larvae are 'loopers' or 'inchworms' that mimic twigs, feeding on the leaves of various deciduous trees and shrubs. Pupation typically occurs in the soil.
Identification TipsKey features for identification include the broad, mottled grey-brown wings with characteristic wavy dark lines and a stout, hairy body. It can be distinguished from similar species by the specific pattern of its wing markings.
Description
A medium-sized moth with broad, cryptically patterned wings, typically mottled in shades of grey, white, and brown, featuring distinct wavy dark lines. Its body is stout and hairy, matching the wing coloration.
