Scallop Shell Moth
Common NameScallop Shell Moth
Scientific NameRheumaptera undulata
FamilyGeometridae
SubfamilyLarentiinae
Wingspan (mm)35
Wing Patterncryptic
Primary Colorsgrey, brown, white
HabitatWoodlands, forests, hedgerows, gardens, areas with deciduous trees and shrubs
Geographic RangePalearctic region (Europe, Asia) and North America
Host Plantswillow, birch, alder, sallow, poplar, hazel, hawthorn
Flight PeriodMay to August
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesEggs are laid on host plants, larvae feed on leaves, and pupation typically occurs in the soil or leaf litter, with adults emerging after overwintering as pupae.
Identification TipsKey identification features include the distinctive wavy, scalloped or zigzag pattern across both forewings and hindwings, often with a darker central band and a pale subterminal line, providing excellent camouflage.
Description
A medium-sized moth with broad wings featuring an intricate, wavy pattern of dark brown and grey lines on a paler, off-white background, resembling a scalloped or zigzag design.
