Family Hesperiidae Scientific name Erynnis zarucco | Tribe Erynnini Rank Species | |
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Similar Erynnis horatius, Thorybes bathyllus, Erynnis brizo, Erynnis baptisiae, Erynnis juvenalis |
Erynnis zarucco, the zarucco duskywing, is a butterfly of the family Hesperiidae. It is found (rarely) from southern Ontario to the southeastern United States.

The wingspan is 32–38 mm. There are three generations in the deep south but only two in the north.
The larvae feed on tree and herbaceous Fabaceae.

References
Erynnis zarucco Wikipedia(Text) CC BY-SA