The Wing Atlas
Double-lined Gray

Double-lined Gray

Common NameDouble-lined Gray
Scientific NameGnophos obfuscata
FamilyGeometridae
SubfamilyEnnominae
Wingspan (mm)40
Wing Patterncryptic
Primary Colorsgray, black, white, brown
HabitatHeathland, moorland, rocky slopes, open woodlands, often on calcareous soils.
Geographic RangeEurope (from Spain to Fennoscandia, east to Russia), parts of Asia.
Host Plantsheather, bilberry, broom, gorse
Flight PeriodJuly to August
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesThe larvae are polyphagous, feeding on various low-growing plants and shrubs, overwintering as larvae before pupating in the spring.
Identification TipsDistinguished by its broad, mottled gray wings with two prominent, wavy dark cross-lines on the forewings, which are often less distinct on the hindwings. The overall cryptic pattern helps it blend with rocks and bark.

Description

A medium-sized moth with broad, cryptically patterned wings, typically mottled in shades of gray, black, and white with wavy dark lines across both forewings and hindwings.

Similar Species