Fateryga, A. V. “On Some New and Little-Known Palaearctic Species of the Genus Leptochilus De Saussure, 1853 (Hymenoptera: Vespidae: Eumeninae)”. Zootaxa, vol. 5432, no. 1, Mar. 2024, pp. 38-53, doi:10.11646/zootaxa.5432.1.3.