Distribution ranges of Orthoceratium lacustre (red symbols, incl. type locality of neotype) and O. sabulosum (black symbols, incl. type locality of lectotype) in the West Palaearctic (Iranian records not included). Information related to the site codes is given in Suppl. material 1. List of (non-type) records of Orthoceratium.

 
 
  Part of: Pollet M, Stark A (2018) The quest for the identity of Orthoceratium lacustre (Scopoli, 1763) reveals centuries of misidentifications (Diptera, Dolichopodidae). ZooKeys 782: 49-79. https://doi.org/10.3897/zookeys.782.26329