Chirgus is a genus of checkered-skippers, white-skippers, and allies in the butterfly family Hesperiidae, found in the New World. The genus was erected by Nick Grishin in 2019. There are about six described species in Chirgus.
As a result of a 2019 study of the genomes of 250 representative species of skippers, the genera Chirgus was created to contain six related species formerly in the genus Pyrgus.
Warren, Andrew D.; Ogawa, Joshua R.; Brower, Andrew V. Z. (2009). "Revised classification of the family Hesperiidae (Lepidoptera: Hesperioidea) based on combined molecular and morphological data". Systematic Entomology. 34 (3): 467–523. Bibcode:2009SysEn..34..467W. doi:10.1111/j.1365-3113.2008.00463.x. S2CID83800312.