Twin-spot Carpet
Common NameTwin-spot Carpet
Scientific NameMesotype didymata
FamilyGeometridae
SubfamilyLarentiinae
Wingspan (mm)27.5
Primary Colorsgrey, brown, white, black
HabitatMoorland, heathland, open woodland, clearings, bogs
Geographic RangeEurope, extending eastwards into parts of Asia (e.g., Siberia)
Host Plantsheather, bilberry, crowberry, various Ericaceae
Flight PeriodJuly to August
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesEggs are laid on host plants. Larvae are green or brownish, feeding from autumn to spring and overwintering. Pupation occurs in a cocoon among leaf litter or moss.
Identification TipsLook for the characteristic mottled grey-brown forewings with two prominent dark spots (the 'twin spots') in the central area. The overall pattern is variable but usually includes distinct cross-lines and a pale subterminal band.
Description
A medium-sized moth with broad, mottled forewings displaying a complex pattern of grey, brown, and white bands and blotches, often with two distinct dark spots near the center. The hindwings are typically paler and plainer.
