Themira leachi (Meigen, 1826)

Patrick T. Rohner & Gerhard Bächli, 2016, Faunistic data of Sepsidae (Diptera) from Switzerland and additional countries including the first Swiss record of Meroplius fukuharai (Iwasa, 1984), Mitteilungen der Schweizerischen Entomologischen Gesellschaft 89, pp. 237-260 : 257

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.