Phytomyza sitchensis Griffiths, 1973
Material examined.
GR: Marmorera, 1600m a.s.l., [46°31'N, 9°38'E], 1 ♂, 2.vi.2000. SZ: Alpthal [47°04'N, 8°43'E, 1150m a.s.l.], 1 ♂, 2004, P. Duelli leg. UR: Furkapass ALPFOR Area, [46°35'N, 8°25'E, 2500m a.s.l.], 1 ♂, 23.vii.2012, 1 ♂, 25.vii.2012.
Distribution.
North America: Alaska; Europe: Denmark, Germany, Great Britain (Petersen and von Tschirnhaus 2001). First record from Switzerland.
Biology.
Host plant Conioselinum sp.