Selis, Marco. “Solving the Identity of Odynerus spiricornis Spinola, With Notes on the South European Species of Paragymnomerus Blüthgen (Hymenoptera, Vespidae, Eumeninae)”. Zootaxa 5601, no. 3 (March 10, 2025): 558–570. Accessed May 15, 2025. https://mapress.com/zt/article/view/zootaxa.5601.3.9.