Themira nigricornis (Meigen, 1826)

Material: Romania:Cornetu, 21.iii.1983, 1.iv.1986, 2.iv.1984, 20.vi.1980. Distribution:Holarctic (Ozerov 2005).

Comments:Although this collection does not include specimens from Switzerland, this species has been recorded previously (Haenni 1998; Rohner 2015).