Vorst, Oscar. “A Second Species of Protistolophus Short from Peru (Coleoptera: Hydrophilidae: Hydrophilinae)”. Zootaxa 5537, no. 3 (November 11, 2024): 445–450. Accessed May 10, 2025. https://www.mapress.com/zt/article/view/zootaxa.5537.3.11.