Ceccolini, Filippo, and Fabio Cianferoni. “Review of the Distribution of Sapygidae in Italy and New Records (Hymenoptera: Vespoidea)”. Fragmenta Entomologica 50, no. 2 (December 21, 2018): 111-116. Accessed March 25, 2019. http://fragmentaentomol.org/index.php/fragmenta/article/view/302.