Sanetra, M. and Güsten, R. 2001. The socially parasitic ant genus Strongylognathus Mayr in North Africa (Insecta: Hymenoptera: Formicidae). Zootaxa. 20, 1 (Dec. 2001), 1–20. DOI:https://doi.org/10.11646/zootaxa.20.1.1.