''Atarnes'' is a genus of skippers in the family

Hesperiidae Skippers are a family of the Lepidoptera (moths and butterflies) named the Hesperiidae. Being diurnal, they are generally called butterflies. They were previously placed in a separate superfamily, Hesperioidea; however, the most recent taxonomy ...

. It is

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...

, being represented by the single species ''Atarnes sallei''.

References

Natural History Museum Lepidoptera genus database
Hesperiidae genera Pyrginae Taxa named by Frederick DuCane Godman Taxa named by Osbert Salvin {{Pyrginae-stub