Simple Wave
Common NameSimple Wave
Scientific NameIdaea dimidiata
FamilyGeometridae
SubfamilySterrhinae
Wingspan (mm)20
Primary Colorswhite, grey, pale brown
HabitatWoodlands, gardens, hedgerows, open country
Geographic RangeEurope, North Africa, parts of Asia, introduced to North America
Host Plantsdandelion, knotgrass, bedstraw, chickweed, plantain
Flight PeriodJune to August
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are slender 'loopers' that feed on a variety of low-growing herbaceous plants and typically overwinter as larvae.
Identification TipsLook for its small size, pale coloration, and the characteristic faint wavy lines across all four wings, often with a small, indistinct discal spot on each forewing.
Description
A small, delicate moth with pale whitish-grey wings, finely speckled with dark scales and marked by faint, wavy brownish cross-lines.
