NEGROBOV, O. P.; GRICHANOV, I. Y.; SELIVANOVA, O. V. Review of East Palaearctic species of Sympycnus Loew, 1857, with a key to species. Zootaxa, Auckland, New Zealand, v. 4277, n. 4, p. 531–548, 2017. DOI: 10.11646/zootaxa.4277.4.4. Disponível em: https://www.mapress.com/zt/article/view/zootaxa.4277.4.4. Acesso em: 2 may. 2025.