Erynnis juvenalis

Juvenal's Duskywing

Erynnis juvenalis
Erynnis juvenalis
Mobile App
An insect specialist
right in your pocket
Download from AppStoreDownload from GooglePlayDownload from AppStore
Download from AppStore


Erynnis juvenalis, the Juvenal's duskywing, is a butterfly of the family Hesperiidae.

Juvenal's Duskywing

Erynnis juvenalis

Is Juvenal's Duskywing harmful?

There is no data about harmful of this species. Don't forget to be careful.

Sientific classification

Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Hesperiidae
Genus: Erynnis

Appearance and distribution

It is common in eastern North American oak woods from southern Manitoba to southern Quebec and Nova Scotia southward to Texas and Florida. This dark-brown skipper is larger than most eastern duskywings (wingspan: 30 to 37 mm). It has one brood in the spring (May to late June) in the east but two broods in spring and summer in the southwest. Both sexes have two to four white spots on the forewing. The females have grayer forewings and are more boldly marked. Both sexes have two spots near the upper margins of the ventral side of hindwings that are diagnostic of the species. Larval food plant: oaks

Appearance and distribution

Similar species

- Horace's duskywing (E. horatius) - Zarucco duskywing (E. zarucco)