Orthoceratium lacustre, habitus (W): A male B female. Orthoceratium sabulosum, habitus: C male D female. Same scale in all pictures.

 
 
  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