HAARTO, A. The description of the female of Platycheirus troll Mutin (Diptera, Syrphidae) with a preliminary key to the Northern Palaearctic females of the Platycheirus clypeatus group . Zootaxa, Auckland, New Zealand, v. 4000, n. 3, p. 383–391, 2015. DOI: 10.11646/zootaxa.4000.3.5. Disponível em: https://mapress.com/zt/article/view/zootaxa.4000.3.5. Acesso em: 16 may. 2025.