Figure 7 from: Stahls G, Haarto A (2014) When mtDNA COI is misleading: congruent signal of ITS2 molecular marker and morphology for North European Melanostoma Schiner, 1860 (Diptera, Syrphidae). ZooKeys 431: 93-134. https://doi.org/10.3897/zookeys.431.7207 - Haarto, Antti (2014)