See Morphology of Diptera for terms.
Eyes densely long· (male) or short- (female) haired. The abdomen, seen from behind,
with (male) rather dense grey dusting and a sharply defined narrow median dark line, or (female) with thin dusting and a broader, less sharply defined dark median area and faint shifting dark spots. The female thorax, seen from in front, with 4 faint but more or less distinct darker stripes; frontal triangle, seen from slightly behind, usually extending almost to lunule. 3.5–6 mm.
References
^D'Assis Fonseca, E.C.M. (1968). Diptera Cyclorrhapha Calyptrata: Muscidae. Handbooks for the Identification of British Insects. Vol. 10. London.: Royal Entomological Society of London. pp. 118pp.
^Gregor, F.; Rozkosny, R.; Bartak, M.; Vanhara, J. (2002). The Muscidae (Diptera) of Central Europe. Scientiarum Naturalium Universitatis Masarykianae Brunensis. Vol. 107. Masaryk.: Masaryk University. pp. 280pp.
