Idaea trissorma
Scientific NameIdaea trissorma
FamilyGeometridae
SubfamilySterrhinae
Wingspan (mm)16.5
Primary Colorslight brown, dark brown, tan
HabitatDry and warm places, rocky slopes, garrigue, open woodlands
Geographic RangeSouthern Europe (Iberian Peninsula, France, Italy, Balkan Peninsula), North Africa, Near East
Host Plantswithered leaves of various low plants
Flight PeriodApril to October (two or three generations)
Conservation Statusleast-concern
Lifecycle NotesLarvae feed on withered leaves of various low-growing plants. Multiple generations occur throughout the warmer months, with pupation likely in soil or leaf litter.
Identification TipsKey features include its small size (15-18mm wingspan), pale brown cryptic coloration, and the characteristic dark dashed line along the termen of both forewings and hindwings, often with a small discal spot.
Description
A small, pale brown moth with mottled wings, featuring darker wavy lines and a distinct dark dashed line along the outer margin.
