Shuckard, W. E. 1841. On the Aulacidae, a family of Hymenoptera pupivora: and that Trigonalys is one of its components: with the description of a British species of this genus, and incidental remarks upon their collateral affinities. Entomologist 1: 115-1
Taxa (in this database) described in this work:
Hyptia ruficeps, Semaeomyia xanthops, Hyptiam thoracicum, Pristaulacus variegatus, Pristaulacus lateritius, Pristaulacus niger, Pristaulacus signatus
