CUI, W.; YANG, D. Two new species and two new synonyms of Systropus Wiedemann, 1820 from Palaearctic China (Diptera: Bombyliidae). Zootaxa, Auckland, New Zealand, v. 2619, n. 1, p. 14–26, 2010. DOI: 10.11646/zootaxa.2619.1.2. Disponível em: https://mapress.com/zt/article/view/zootaxa.2619.1.2. Acesso em: 20 apr. 2025.