Marinoni, Luciane, Mírian Nunes Morales, and Ílven Spaler. 2007. “Illustrated Key for the Genera of Syrphinae (Diptera, Syrphidae) of Occurrence in the South of Brazil”. Biota Neotropica 7 (1). Sao Paulo, Brazil. //www.biotaneotropica.org.br/BN/article/view/275.