
Insular Peppered Moth
Common NameInsular Peppered Moth
Scientific NameBiston insularis
FamilyGeometridae
SubfamilyEnnominae
Wingspan (mm)50
Primary Colorstan, brown, black, grey
HabitatWoodlands, forests, urban areas, gardens
Geographic RangeEast Asia (Japan, Korea, China, parts of Southeast Asia)
Host Plantsoak, birch, willow, elm, fruit trees, various deciduous trees and shrubs
Flight PeriodApril to September
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesUndergoes complete metamorphosis. Larvae are polyphagous, feeding on various deciduous trees and shrubs, often mimicking twigs for camouflage. Pupation occurs in the soil.
Identification TipsIdentified by its distinctive cryptic pattern of black speckles and wavy lines on a light brown/tan background, broad wings, and stout, hairy body. Its camouflage makes it blend well with tree bark.
Description
A medium-sized moth with broad, mottled wings, predominantly light brown or tan, heavily speckled with black dots and distinct wavy black lines across both forewings and hindwings, providing excellent camouflage.





