Adult specimens of the Mexican Mantispidae were recorded from the Colección Nacional de Insectos, Universidad Nacional Autónoma de México, and from Colección Entomológica del Centro de Estudios en Zoología, Universidad de Guadalajara, as well as from the literature. Specimens examined (n = 270) represented three subfamilies, 11 species from nine genera, and five morphospecies. Our studies reveal 23 species from Mexico. Distribution records are presented by country and province, as well as by locality. Six species are recorded as new state records. An illustrated key to the genera of Mexican Mantispidae is provided, as well as a list of pertinent taxonomic literature for species identification. Species richness of Mexican Mantispidae is generally discussed.