Atlantis Fritillary
Common NameAtlantis Fritillary
Scientific NameSpeyeria atlantis
FamilyNymphalidae
SubfamilyHeliconiinae
Wingspan (mm)65
Wing Patternspotted
Primary Colorsorange, black
HabitatOpen woodlands, forest clearings, subalpine meadows, and moist areas near streams.
Geographic RangeWestern North America, from Alaska and Canada south through the Rocky Mountains to New Mexico and Arizona, and east to the Great Lakes region.
Host PlantsViola spp. (violets)
Flight PeriodJune to September
Conservation Statusleast-concern
Lifecycle NotesEggs are laid on or near violet host plants. Larvae hatch and overwinter, then feed on violets in the spring before pupating into a chrysalis.
Identification TipsDistinguished by the heavy black markings on the orange upperside. The underside of the hindwing typically features a dark basal area and often reduced or absent silver spots, though this can vary by subspecies.
Description
A medium-sized butterfly with vibrant orange upperwings heavily patterned with bold black spots and lines, and a dark, hairy body.
