A total of 67 species and 23 genera of Crabronidae (Hymenoptera) are recorded from 339 specimens collected in 2.3 ha of a spiny shrub located in Cañón del Novillo in Victoria, Tamaulipas, México. The high species richness and diversity index found for this group are comparable with the ones obtained for other hymenopteran taxa from the same locality. Ten new records for Crabronidae arereported for Tamaulipas, increasing to 128 the number of known species of this family of solitary wasps for this state.