Bug FAQZarucco Duskywing
Erynnis zarucco · Order: Lepidoptera · Family: Hesperiidae
The zarucco duskywing is a butterfly with a wingspan of about 32 to 38 mm. It lives rarely from southern Ontario down through the southeastern United States. Its caterpillars eat Fabaceae plants, both trees and herbaceous species.
Source: Wikipedia
How to recognize it
Erynnis zarucco, called the zarucco duskywing, belongs to the skipper butterfly family Hesperiidae.
Source: Wikipedia
Size
Adults have a wingspan ranging from 32 to 38 mm.
Source: Wikipedia
What it eats
Larvae feed on Fabaceae plants, including both trees and herbaceous members of the family.
Source: Wikipedia
Life cycle
In the deep south the butterfly can produce three generations per year, while farther north it usually has two.
Source: Wikipedia
Where it comes from
Its native range includes southern Ontario and the southeastern United States.
Source: Wikipedia
Where it is found in the US
Recorded in 18 of 51 states and DC. Most records: Florida, South Carolina, Georgia, North Carolina, Alabama, Mississippi, Virginia, Arkansas.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in United States. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
How many generations does the zarucco duskywing have each year?
It can have three generations in the deep south and two generations in northern areas.
Source: Wikipedia
Same family (Hesperiidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Erynnis_zarucco
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-23 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-23.