Loktionov, V. M., & Lelej, A. S. (2018). Discovery of the spider wasp genus Sphictostethus Kohl, 1884 (Hymenoptera: Pompilidae: Pepsinae) in New Guinea, with description of two new species. Zootaxa, 4429(2), 295–302. https://doi.org/10.11646/zootaxa.4429.2.5