Gilasian, Ebrahim, Jeroen van Steenis, and Mehrdad Parchami-Araghi. 2020. “Review of the Eumerus Tricolor Species Group (Diptera: Syrphidae) in Iran, With Description of Six New Species”. European Journal of Taxonomy 722 (1):106–152. https://doi.org/10.5852/ejt.2020.722.1139.