Breitkreuz LC, Ohl M, Engel MS. A review of the New Caledonian Arpactophilus (Hymenoptera: Crabronidae). Zootaxa [Internet]. 2016 Jan. 12 [cited 2025 May 3];4063(1):1–66. Available from: https://www.mapress.com/zt/article/view/zootaxa.4063.1.1