basis of recordLegakis, A. (2001). Insecta, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 323-324 (look up in IMIS) [details]
Other
additional sourceGrootaert, 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]
additional sourceMuller, Y. (2004). Faune et flore du littoral du Nord, du Pas-de-Calais et de la Belgique: inventaire. [Coastal fauna and flora of the Nord, Pas-de-Calais and Belgium: inventory]. <em>Commission Régionale de Biologie Région Nord Pas-de-Calais: France.</em> 307 pp., available online athttp://www.vliz.be/imisdocs/publications/145561.pdf[details]