Idaea infirmaria
Common NameIdaea infirmaria
Scientific NameIdaea infirmaria
FamilyGeometridae
SubfamilySterrhinae
Wingspan (mm)17.5
Primary Colorspale brown, reddish-brown
HabitatDry, open habitats, garrigue, maquis, rocky areas, coastal dunes
Geographic RangeSouthern Europe, North Africa, Middle East
Host PlantsThymus, Origanum, Genista, Erica, various low-growing plants
Flight PeriodApril to October (multiple broods)
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesUndergoes complete metamorphosis. Larvae are polyphagous, feeding on various low-growing plants, often preferring withered leaves. Overwinters as a larva.
Identification TipsDistinguished from similar *Idaea* species by its specific wing pattern of dense reddish-brown speckling on a pale ground, and generally smaller size. Genitalia examination is often required for definitive identification.
Description
A small, slender moth with pale, often whitish or light brown wings densely speckled with reddish-brown scales, sometimes showing faint darker cross-lines.
