Menke, Arnold S., and Fernando Fernández. “Illustrated Keys to Neotropical Sphecids (Apoídea:Sphecidae) Subfamilies, Tribes, and Genera”. Revista de Biología Tropical 44, no. S2 (September 1, 2023): 1–68. Accessed September 26, 2023. https://revistas.ucr.ac.cr/index.php/rbt/article/view/56430.