Kim, Jeong-Kyu. “Descriptions of Three New Species of the Genus Symmorphus Wesmael, 1836 (Hymenoptera: Vespidae: Eumeninae) from South Korea, With an Updated Revised Key to Far Eastern Species”. Zootaxa 4350, no. 2 (November 17, 2017): 234–250. Accessed January 21, 2026. https://mapress.com/zt/article/view/zootaxa.4350.2.2.