Grass Wave
Common NameGrass Wave
Scientific NameCabera exanthemata
FamilyGeometridae
SubfamilyEnnominae
Wingspan (mm)32
Primary Colorswhite, cream, grey
HabitatWoodlands, heathland, fens, marshes, gardens
Geographic RangeEurope, temperate Asia
Host Plantswillow, birch, alder, aspen
Flight PeriodMay to August
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are slender, green or brownish caterpillars that feed on host plant leaves. They pupate in a flimsy cocoon among leaves or in the soil, overwintering as pupae.
Identification TipsDistinguished by its creamy-white, speckled wings with faint wavy cross-lines. Males have strongly bipectinate (feathery) antennae. Can be differentiated from the similar Common White Wave (*Cabera pusaria*) by its more distinct speckling and often more wavy cross-lines.
Description
A small, delicate moth with creamy-white to white wings finely speckled with grey or brown, featuring two to three faint, wavy, greyish cross-lines.
