A panbiogeographic analysis was carried out to analyze the geographical distribution of the Mexican species of Pselliopus Bergroth. The genus contains 27 species, ranged from Canada to Argentina. Mexico is the country with the highest number of species (21), followed by the United States of America (6), and Guatemala, El Salvador, Honduras and Brazil (2). One generalized tracks was recognized, comprising the Sierra Madre Occidental, the Sierra Madre Oriental, Mexican Pacific Coast, Mexican Gulf, Balsas Basin, Transmexican Volcanic Belt, Sierra Madre del Sur, and Chiapas. It is concluded that the species of Pselliopus are distributed mainly in the Mexican Transition Zone (MTZ) and the Neotropcial region, and belong to the Tropical Mesoamerican element.
