The Wing Atlas
Treble Bar

Treble Bar

Common NameTreble Bar
Scientific NameEpirrhoe tristata
FamilyGeometridae
SubfamilyLarentiinae
Wingspan (mm)28
Wing Patternstriped
Primary Colorsgrey, brown, white
HabitatOpen woodlands, heathlands, grasslands, moorlands
Geographic RangeEurope, parts of Asia (e.g., Siberia, Mongolia)
Host Plantsbedstraws (Galium spp.)
Flight PeriodMay to August
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesEggs are laid on host plants. Larvae are 'looper' caterpillars, feeding on bedstraws. Pupation occurs in the soil, and adults emerge in spring and summer.
Identification TipsDistinguished by the distinctive pattern of three dark, wavy cross-bands on the forewings, particularly the broad, dark central band, against a paler ground color.

Description

A small to medium-sized moth with forewings patterned in alternating bands of pale whitish-grey and darker grey-brown, featuring a prominent dark central band.

Similar Species