Dumesh, Sheila, and Laurence Packer. “The Calliopsis (Hymenoptera; Andrenidae; Panurginae) of Chile With the Description of a New Species”. Zootaxa 2908, no. 1 (June 7, 2011): 64–68. Accessed April 20, 2025. https://mapress.com/zt/article/view/zootaxa.2908.1.3.