Theano Alpine
Common NameTheano Alpine
Scientific NameErebia theano
FamilyNymphalidae
SubfamilySatyrinae
Wingspan (mm)40
Wing Patternspotted
Primary Colorsdark brown, orange
HabitatAlpine meadows, subalpine zones, tundra, open coniferous forests
Geographic RangeWestern North America (Rocky Mountains, Alaska, Yukon) and Eurasia (Siberia, Mongolia, China)
Host Plantsgrasses, sedges
Flight PeriodMid-June to August
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae feed on grasses and sedges, overwintering as larvae. Pupation occurs in spring, with adults emerging in summer for a single brood per year.
Identification TipsLook for the dark brown wings with a prominent band of orange spots, often pupiled with black, on both upper and lower surfaces. Found in high-altitude, open habitats.
Description
A medium-sized, dark brown butterfly with a distinctive row of bright orange spots, often containing small black pupils, across both the forewings and hindwings.
