Grey Birch Moth
Common NameGrey Birch Moth
Scientific NameEctropis crepuscularia
FamilyGeometridae
SubfamilyEnnominae
Wingspan (mm)35
Wing Patterncryptic
Primary Colorsgrey, white, brown
HabitatWoodlands, forests, gardens, and areas with deciduous trees
Geographic RangeWidespread across Europe, Asia, and North America
Host Plantsbirch, alder, willow, oak, poplar, fruit trees
Flight PeriodApril to October (often bivoltine)
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are 'loopers' or inchworms, feeding on various deciduous trees and shrubs. They pupate in the soil, and the species can have one or two generations per year, overwintering as a pupa or larva.
Identification TipsDistinguished by its bark-like camouflage, often with faint wavy dark lines across the wings, and a generally pale, speckled appearance. Rests with wings held flat against the substrate.
Description
A medium-sized moth with a highly cryptic pattern of mottled grey, white, and brown, designed to blend seamlessly with tree bark.
