Sixty-seven genera and fifteen species, including three new genera, belonging to 17 subfamilies of Braconidae, collected in the States of Tamaulipas and Neuvo Leon are reported. Most of them constitute new records for Mexico. Most of the species belong to the subfamilies Doryctinae, Agathidinae, Microgastrinae ane Braconinae. The hosts of 17 species are also reported. The species were collected using an entomological net; others were obtained using uv-light, Mc Phail and Malaise traps.