explore:

Cresson, E.T. 1880. [New species of Aulacus], pp. v-vi. In: Proceedings of the Monthly Meetings of the Entomological Section of the Academy of Natural Sciences, Philadelphia, 1880, pp. i-viii.

Taxa (in this database) described in this work:

Pristaulacus abdominalis, Pristaulacus editus, Pristaulacus minor