Dennis, D. Steve, Jeffrey K. Barnes, and Lloyd Knutson. “Pupal Cases of Nearctic Robber Flies (Diptera: Asilidae)”. Zootaxa 1868, no. 1 (September 3, 2008): 1–98. Accessed June 5, 2025. https://mapress.com/zt/article/view/zootaxa.1868.1.1.