Themira leachi (Meigen, 1826)

Material: Switzerland: FR:Nuvilly, 650 m, 2001 (leg. Duelli). GL:Richisau, 1100 m, 7.–8.viii.1991. GR:Surrein, 1300 m, 11.vii.1991. LU:Dierikon, 550 m, 2005 (leg. Duelli); Kriens, 600 m, 20.viii.–3.ix.1997 (leg. Röösli). ZG:Holzhäusern, 2.v.–30.viii.1996 (leg. Röösli). ZH:Dietikon, 390 m, 6.vi.2015; Flaach, 350 m, 30.vi.2000.

Germany:BW, Oberbergen, 300 m, 28.v.2011.

Distribution:Holarctic (Ozerov 2005).

Comments:Male forelegs and sternites are strikingly modified (Pont &Meier 2002). Both sexes have rather short wings and are poor fliers.