Caldara, Roberto. “A Taxonomic Revision of the Weevil Genus Picia Tournier, 1895 (Coleoptera: Curculionoidea: Erirhinidae)”. Zootaxa 1959, no. 1 (December 8, 2008): 39–57. Accessed February 5, 2026. https://mapress.com/zt/article/view/zootaxa.1959.1.2.