Forest Wall Brown
Common NameForest Wall Brown
Scientific NameLasiommata deidamia
FamilyNymphalidae
SubfamilySatyrinae
Wingspan (mm)45
Primary Colorsbrown, white, black
HabitatForest edges, clearings, open woodlands, subalpine meadows, taiga
Geographic RangeNorthern Eurasia (Scandinavia, Russia, Siberia, Far East), North America (Alaska, Canada, northern US states)
Host Plantsgrasses, Calamagrostis, Festuca, Poa
Flight PeriodLate May to August
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesEggs are laid singly on various host grasses. The larvae feed on grasses and overwinter, with pupation occurring in the spring, leading to one generation per year.
Identification TipsLook for the characteristic brown wings with large, contrasting white patches on the upperside, each containing a black eyespot with a white center. The overall robust appearance and habitat preference also aid identification.
Description
This medium-sized butterfly has a rich brown upperside with distinctive white patches on both forewings and hindwings, each containing a prominent black eyespot with a white pupil. The underside typically features a more complex pattern of browns and grays.
