Liriomyza infuscata Hering, 1926

Material examined.

GR: Alp Flix, 1950m a.s.l., [46°32'N, 9°38'E], 1 ♂, 2.vi.2000, G. Bächli leg.; Mar morera, 1600m a.s.l., [46°31'N, 9°38'E, 1 ♂, 2.vi.2000; Nationalpark [46°40'N, 10°12'E, 2000m a.s.l.], 1 ♂, 2005, P. Duelli leg.; Sur, 1600m a.s.l., [46°31'N, 9°38'E], 3 ♂♂, 3.vi.2000; Tinizong, 1350m a.s.l., [46°35'N, 9°37'E], 1 ♂, 2.vi.2000. VD: Changins [46°24'N, 6°14'E, 430m a.s.l.], 1 ♂, 2004, P. Duelli leg. VS: Leuk [46°19'N, 7°38'E, 700m a.s.l., banana bait], 2 ♂♂, 23.viii.-2.ix.1977.

Distribution.

Europe: Belgium, Bulgaria, Czech Republic, Denmark, Finland, France, Germany, Great Britain, Latvia, Lithuania, Norway, Poland, Portugal ( Černý et al. 2018), Russia, Slovakia, Spain, Sweden, Ukraine; Asia: Asian Russia - West and East Siberia, Mongolia (Papp and Černý 2017). First record from Switzerland.

Biology.

Host plant unknown, but this species is surely a grass miner.