Townes, H. K. 1950. The Nearctic species of Gasteruptiidae (Hymenoptera). Proceedings of the United States National Museum 100: 85-145.
Taxa (in this database) described in this work:
Aulacus digitalis, Aulacus dispilis, Pristaulacus arizonicus, Pristaulacus californicus, Pristaulacus canadensis, Pristaulacus foxleei, Pristaulacus oregonus, Pristaulacus occidentalis lavatus
