Breitkreuz, L.C., Ohl, M. and Engel, M.S. 2016. A review of the New Caledonian Arpactophilus (Hymenoptera: Crabronidae). Zootaxa. 4063, 1 (Jan. 2016), 1–66. DOI:https://doi.org/10.11646/zootaxa.4063.1.1.