Erynnis is a genus in the skippers butterfly family Hesperiidae, known as the duskywings. Erynnis is found in the Neotropical realm and across the Palearctic, but the highest species diversity is in the Nearctic. The genus was erected by Franz von Paula Schrank in 1801.
Erynnis juvenalis, the Juvenal's duskywing, is a butterfly of the family Hesperiidae.
Erynnis brizo, the sleepy duskywing or banded oak duskywing, is a species of Hesperiidae butterfly that occurs throughout North America and is commonly confused with E. juvenalis and E. lucilius. The species is listed as threatened in Connecticut and Maine.
Erynnis persius, the Persius duskywing, is a butterfly of the family Hesperiidae that occurs in North America. It is a threatened species in Michigan and is protected by law. The subspecies Erynnis persius persius is listed as endangered in the Connecticut by state authorities.
Erynnis horatius, the Horace's duskywing, is a butterfly of the family Hesperiidae. It is found from Massachusetts, west to eastern South Dakota, south through most of the eastern United States to Florida, the Gulf Coast, and southern Texas, south in the west through south-eastern Utah, Colorado, north-eastern Arizona, and New Mexico. It is listed as a species of special concern in the US state of Connecticut.
Erynnis icelus, the dreamy duskywing or aspen dusky wing, is a butterfly of the family Hesperiidae. It is found in boreal North America, from the Northwest Territories east across southern Canada to Nova Scotia, south in the western mountains to southern Arizona and southern New Mexico, south in the east to Arkansas, north-eastern Alabama and northern Georgia.
Erynnis baptisiae, the wild indigo duskywing, is a butterfly of the family Hesperiidae. It is found in North America from southern New England and southern Ontario west to central Nebraska, south to Georgia, the Gulf Coast, and south-central Texas.
Erynnis propertius, the Propertius duskywing, is a butterfly of the family Hesperiidae. It is found in along the west coast of North America from southern British Columbia south along the Pacific Slope to Baja California Norte. It is one of the most commonly seen skippers in California.
Erynnis zarucco, the zarucco duskywing, is a butterfly of the family Hesperiidae. It is found (rarely) from southern Ontario to the southeastern United States.
Erynnis lucilius, the columbine duskywing, is a butterfly of the family Hesperiidae. It is found in North America from southern Quebec to Manitoba and south to the northeastern United States.
Erynnis martialis, the mottled duskywing, is a butterfly of the family Hesperiidae. It is found in most of the eastern United States and in southern Ontario, and southeastern Manitoba. It is listed as a species of special concern and believed extirpated in the US state of Connecticut.
Erynnis pacuvius, the Pacuvius duskywing, Dyar's duskywing or buckthorn dusky wing, is a skipper butterfly of the family Hesperiidae. It is found in most of the western United States and in southern British Columbia.
Erynnis meridianus, the meridian duskywing, is a species of spread-wing skipper in the butterfly family Hesperiidae. It is found in Central America and North America.
Erynnis tristis, the mournful duskywing, is a species of spread-wing skipper in the butterfly family Hesperiidae. It is found in Central America, North America, and South America. It is mottled brown with a white fringe on the hind wings. It appears similar to the funereal duskywing, but the mournful duskywing is more likely to appear in urban areas. The larva feed on young oaks while adults nectar from a variety of wild and garden flowers.
Astragalus crassicarpus, known as ground plum or buffalo plum, is a perennial species of flowering plant in the legume family, Fabaceae, native to North America. It was described in 1813. The fruit is edible and was used by Native Americans as food and horse medicine. It is a host of afranius duskywing larvae. It is also known as groundplum milkvetch and pomme de prairie.
