Correcties op en enkele opmerkingen over de inhoud van enige voorgaande artikelen, door mij geschreven (Diptera : Syrphidae, Pipunculidae and Bombyliidae). [Corrections on and some remarks about the contents of several preceeding publications written by t

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith