The Pachyschelus fauna of America north of México is comprised of eight species plus one additional subspecies. Three species were found in collections under the name of P. schwarzi Kerremans. P. vogti new species from South Carolina, Georgia, and Florida is described and figured as new. P. nicolayi Obenberger, originally described as a variety of P. schwarzi Kerremans, is considered to be a full species and distinguished from P. schwarzi; both are redescribed and figured. A key is given to separate species and full synonymies and hosts are given for each species. Brachys carbonata LeConte, heretofore considered a synonym of P. laevigatus (Say), is transferred to the genus Leiopleura as L. carbonata (LeConte) new combination.