The Wing Atlas
Impostor Duskywing

Impostor Duskywing

Common NameImpostor Duskywing
Scientific NameErynnis martialis
FamilyHesperiidae
SubfamilyPyrginae
Wingspan (mm)30
Primary Colorsdark brown, white
HabitatOpen woodlands, forest edges, clearings, rocky areas, prairies
Geographic RangeEastern and central North America, from southern Canada south to Florida and west to Texas and Nebraska
Host PlantsNew Jersey Tea (Ceanothus americanus)
Flight PeriodApril to September
Flight Styledarting
Conservation Statusleast-concern
Lifecycle NotesEggs are laid singly on host plant leaves. Larvae feed on leaves, creating leaf shelters, and overwinter as pupae or mature larvae.
Identification TipsLook for the prominent white fringe on the hindwing, especially visible on the underside, and the lack of distinct hyaline spots on the forewing, distinguishing it from other duskywings.

Description

A medium-sized, dark brown skipper with mottled forewings and a distinctive white fringe along the hindwing margin.

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