Scaptomyza griseola (Zetterstedt, 1847)
mine
Narrow corridor, leading to a large blotch. The blotch has lower- and upper-surface parts, and is full depth where these overlap. Pupation external (Robbins, 1991a).
hostplants
Brassicaceae (?), Caryophyllaceae (?), Potamogetonaceae
Potamogeton polygonifolius.
Máca (1972a) mentions with some reservation an observation on Stellaria media; Robbins (1991a) described mines on Brassica and Sisymbrium but is uncertain about the identification.
BENELUX
BE not recorded (Fauna Europaea, 2009).
NE present, according to the Fauna Europaea (2009) but not included in Beuk (2002b).
LUX not recorded (Fauna Europaea, 2009).
distribution within Europe
From Fennoscandia and northern Russia to the Pyrenees, Alps, and Croatia, and from Britain to Romania (Fauna Europaea, 2009).
references
Bland (1992b), Hackman (1955a), Máca (1972a), Robbins (1991a).