Brown Oblique-lined Wave Moth
Common NameBrown Oblique-lined Wave Moth
Scientific NameIdaea sp.
FamilyGeometridae
SubfamilySterrhinae
Wingspan (mm)22
Primary Colorsbrown, dark brown, reddish-brown
HabitatOpen woodlands, grasslands, heathlands, gardens
Geographic RangeWidespread in temperate regions (e.g., North America, Europe, Asia) depending on species
Host Plantsvarious low-growing plants, herbs, grasses, withered leaves
Flight PeriodMay to September (often multiple broods)
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesEggs are laid on host plants. Larvae are slender 'inchworms' or 'loopers' that feed on low-growing plants, often preferring withered leaves. Pupation occurs in a loose cocoon on the ground or among leaf litter.
Identification TipsKey features include its small size, reddish-brown ground color, and the two prominent, somewhat wavy, dark oblique lines on the forewings. It typically rests with its wings held flat or slightly tented.
Description
A small, reddish-brown moth characterized by two distinct, darker brown, slightly wavy oblique lines crossing its forewings. Its body is also reddish-brown and appears fuzzy.
