Cresson, E. T. 1879. Descriptions of new North American Hymenoptera in the collection of the American Entomological Society. Transactions of the American Entomological Society 7:255-256.
Taxa (in this database) described in this work:
Pristaulacus firmus, Pristaulacus pacificus, Pristaulacus melleus, Pristaulacus consors, Pristaulacus montanus, Pristaulacus occidentalis
