Nel, André, and Francis Auvray. “The Oldest Vespinae from the Paleocene of Menat (France) (Hymenoptera: Vespidae)”. Zootaxa 1344, no. 1 (October 26, 2006): 59–62. Accessed May 2, 2025. https://www.mapress.com/zt/article/view/zootaxa.1344.1.5.