Mengual, Ximo, and F. Christian Thompson. “A Taxonomic Review of the Palpada Ruficeps species Group, With the Description of A New Flower Fly from Colombia (Diptera: Syrphidae)”. Zootaxa 1741, no. 1 (April 4, 2008): 31–36. Accessed April 20, 2025. https://mapress.com/zt/article/view/zootaxa.1741.1.3.