Brown Silver-line
Common NameBrown Silver-line
Scientific NamePetrophora chlorosata
FamilyGeometridae
SubfamilyEnnominae
Wingspan (mm)30
Primary Colorsbrown, grey, white
HabitatHeathland, moorland, woodland edges, grassy areas
Geographic RangeEurope, parts of Asia
Host Plantsbracken (Pteridium aquilinum)
Flight PeriodMay to July
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesThe larvae feed primarily on bracken. It overwinters as a pupa in the soil, emerging as an adult in late spring to early summer.
Identification TipsKey features include the distinctive brown bands on the pale forewings, a small black discal spot, and its strong association with bracken habitats. It is often seen resting with wings spread flat.
Description
A pale brown to greyish-white moth with two distinct darker brown transverse bands across the forewings and a small black discal spot. The hindwings are paler and less marked.
