Reference
Ronald R. Gatrelle, Marc C. Minno, Alex Grkovich (2003): A SUBSPECIFIC ASSESSMENT OF THE GENUS HESPERIA (HESPERIINAE) IN EASTERN NORTH AMERICA (PART I: THE SOUTH) New Subspecies of Hesperia metea, Hesperia sassacus and Hesperia meskei – The Taxonomic Report – 4-3: 1 - 7.