A small dark-winged butterfly of the skipper family, found in North America.
Genus Erynnis, family Hesperiidae; the species are very difficult to tell apart
 Example sentencesExamples
-  Like other dusky wings this species is often associated with oak forests and forest openings.
 -  The persius dusky wing prefers areas of oak forest that have been burned, leaving charred remains behind.
 -  Even the dusky wings were not observed while they otherwise were randomly distributed across all other segments.