Problema byssus

Problema byssus, the byssus skipper or bunchgrass skipper, is a butterfly of the family Hesperiidae. It is found along the Atlantic coastal plain of North America, from North Carolina south to Florida and the Gulf States and from northern Indiana west to Iowa and south to Missouri and Kansas.

The wingspan is 37–46 mm.

The larvae feed on Tripsacum dactyloides.

Subspecies

 * Problema byssus byssus
 * Problema byssus kumskaka (Scudder, 1887)