9th tergite, dorsal view.  
  Part of: Salmela J, Suuronen A, Kaunisto K (2016) New and poorly known Holarctic species of Boletina Staeger, 1840 (Diptera, Mycetophilidae). Biodiversity Data Journal 4: e7218. https://doi.org/10.3897/BDJ.4.e7218