Mountainous Duskywing
Common NameMountainous Duskywing
Scientific NameErynnis persius
FamilyHesperiidae
SubfamilyPyrginae
Wingspan (mm)32
Primary Colorsdark brown, light brown, white
HabitatOpen woodlands, forest edges, clearings, meadows, rocky slopes
Geographic RangeNorth America (widespread across Canada and northern US, extending into mountainous regions)
Host Plantswild lupine, wild indigo, clover
Flight PeriodMay to August (typically one or two broods)
Conservation Statusleast-concern
Lifecycle NotesEggs are laid singly on host plant leaves. Larvae are green with a dark head, feeding within leaf shelters. They typically overwinter as mature larvae or pupae.
Identification TipsDistinguished by its overall dark, mottled appearance, the presence and arrangement of translucent spots on the forewing, and small white spots on the hindwing. Identification to species within the *Erynnis* genus can be challenging and often requires close examination.
Description
A small to medium-sized, dark brown skipper with mottled forewings featuring lighter, somewhat translucent patches and a few small white spots on the hindwings. Its robust, hairy body is also dark brown.
