Simple Wave
Common NameSimple Wave
Scientific NameIdaea simplex
FamilyGeometridae
SubfamilySterrhinae
Wingspan (mm)16
Primary Colorslight brown, tan
HabitatGrasslands, heathlands, open woodlands, gardens
Geographic RangeEurope, North Africa, parts of Asia
Host Plantsdandelion, plantain, knotgrass, sorrel
Flight PeriodMay to September
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are slender 'loopers' that feed on various low-growing plants and typically overwinter as larvae. Pupation occurs in a loose cocoon.
Identification TipsDistinguished by its relatively plain, pale yellowish-brown wings with faint wavy lines and a small, often indistinct, dark discal spot on each wing. It lacks strong patterns or contrasting markings.
Description
A small, slender-bodied moth with pale yellowish-brown or tan wings, often featuring faint wavy cross-lines and a small dark discal spot on each wing.
