Triangular Wave
Common NameTriangular Wave
Scientific NameIdaea trigoniata
FamilyGeometridae
SubfamilySterrhinae
Wingspan (mm)20
Primary Colorspale green, grey
HabitatWoodlands, heathlands, gardens, open areas
Geographic RangeEurope, parts of Asia
Host Plantsdandelion, plantain, knotgrass, various herbaceous plants
Flight PeriodJune to September
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesUndergoes complete metamorphosis. Larvae are slender 'looper' caterpillars, typically feeding on low-growing herbaceous plants and detritus.
Identification TipsKey features include its small size, the pale green to greyish-green ground color, and the prominent wavy or 'triangular wave' pattern of darker lines across all wings.
Description
A small moth with pale green to greyish-green wings, characterized by several distinctive wavy, darker green or greyish transverse lines.
