
Mountain Fritillary
Common NameMountain Fritillary
Scientific NameBoloria napaea
FamilyNymphalidae
SubfamilyHeliconiinae
Wingspan (mm)40
Wing Patternspotted
Primary Colorsorange, brown, cream, white
HabitatAlpine and subalpine meadows, tundra, open woodlands, rocky slopes
Geographic RangeHolarctic (mountains of Europe, Asia, and North America)
Host PlantsViola spp. (violets)
Flight PeriodJune to August
Flight Styledarting
Conservation Statusleast-concern
Lifecycle NotesLarvae feed on violets and typically overwinter as a larva before pupating in the spring.
Identification TipsKey identification features include the distinctive pattern of cream or white rectangular and triangular patches on the underside of the hindwing, contrasting with a reddish-brown background.
Description
A medium-sized fritillary with a reddish-brown, furry body and wings displaying a distinct checkered pattern of reddish-brown and cream or white patches on the underside.




