The distribution of Agastoschizomus goes from northern Mexico in the state of Tamaulipas (1 species) south along the Sierra Madre Oriental to San Luis Potosí (2 species) and Hidalgo (1 species) and then jumps westward along the Transmexican Volcanic Belt to Guerrero ( Cokendolpher and Reddell, 1992, Montaño-Moreno and Francke, 2009 and Redde