Valerio, A. A., L. Masner, and A. D. Austin. “Systematics of Cyphacolus Priesner (Hymenoptera: Platygastridae s.L.), an Old World Genus of Spider Egg Parasitoid”. Zootaxa, vol. 2645, no. 1, Oct. 2010, pp. 1–48, doi:10.11646/zootaxa.2645.1.1.