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The geographic distribution of Liometopum apiculatum Mayr, 1870 is expanded and updated, based on specimens collected in the regions of the Mexican Plateau, Sierra Madre Oriental, and Sierra Madre Occidental. Ten new records include the first municipal occurrences for the states of Zacatecas (Guadalupe, Sombrerete, Valparaíso, and Zacatecas) and San Luis Potosí (Mexquitic de Carmona), and additional locality records for Nuevo León (Galeana and Iturbide) and Coahuila (Saltillo).