Nascus

{{Short description|Genus of butterflies}}

{{About|the butterfly|the organization for state credit union supervisors|National Association of State Credit Union Supervisors}}

{{Automatic taxobox

| image = BiologiaCentraliAmericanaTaf78.jpg

| image_caption = Nascus phocus and related species in Biologia Centrali-Americana

| taxon = Nascus

| authority = Watson, 1893

}}

Nascus is a genus of Neotropical butterflies in the family Hesperiidae,[http://ftp.funet.fi/pub/sci/bio/life/insecta/lepidoptera/ditrysia/hesperioidea/hesperiidae/pyrginae/nascus/index.html Funet] in which it is placed to tribe Phocidini.{{cite journal |last1=Li |first1=Wenlin |last2=Cong |first2=Qian |last3=Shen |first3=Jinhui |last4=Zhang |first4=Jing |last5=Hallwachs |first5=Winnie |last6=Janzen |first6=Daniel H. |last7=Grishin |first7=Nick V. |title=Genomes of skipper butterflies reveal extensive convergence of wing patterns |journal=Proceedings of the National Academy of Sciences |date=26 March 2019 |volume=116 |issue=13 |doi=10.1073/pnas.1821304116 |pmid=30877254 |pmc=6442542 |bibcode=2019PNAS..116.6232L |at=Supporting Information: Appendix pp.10–24|doi-access=free }}