J. L. Nieves-Aldrey, J. Liljeblad, M. H. Nieves, A. Grez, and J. A. A. Nylander, “Revision and phylogenetics of the genus Paraulax Kieffer (Hymenoptera, Cynipidae) with biological notes and description of a new tribe, a new genus, and five new species”, Zootaxa, vol. 2200, no. 1, pp. 1–40, Aug. 2009.