context source (MSBIAS)MEDIN. (2011). UK checklist of marine species derived from the applications Marine Recorder and UNICORN. version 1.0.[details]
basis of recordGrootaert, P.; De Bruyn, L.; De Meyer, M. (1991). Catalogue of the Diptera of Belgium. <em>Studiedocumenten van het Koninklijk Belgisch Instituut voor Natuurwetenschappen.</em> 70: 338pp. (look up in IMIS) [details]
Present Inaccurate Introduced: alien Containing type locality