Valverde, J.-Pablo, Paul Hanson, and James Carpenter. “Keys to the Costa Rican Species of Paper Wasps (Hymenoptera: Vespidae: Polistinae)”. Revista de Biología Tropical 67, no. S2 (April 1, 2019): S174–S199. Accessed May 6, 2024. https://www.revistas.ucr.ac.cr/index.php/rbt/article/view/37229.