Sepsis violacea 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 : 255

Sepsis violacea Meigen, 1826

Material: Switzerland: AG:Habsburg, 450 m, 15.iii.2004, 22.iii.2004, 19.vi.2004, 20.ix.2004 (all leg. Wermelinger); Rottenschwil, 450 m, 14.vi.2008; Sarmenstorf, 550 m, 22.iii.2004, 29.iii.2004, 19.vii.2004 (all leg, Wermelinger); Schlossrued, 600 m, 2001 (leg. Duelli); Würenlingen, 420 m, 6.vii.2000. BE:Beatenberg, 1470 m, 2000 (leg. Duelli). BL:Bubendorf, 13.–20.vii.2000 (leg. Wolf). BS:Basel/Zolli, 29.iv.–13.v.2005 (leg. Baur et al.). GE;Bernex/Chante-Merle, 420 m, 7.viii.2000 (leg. Merz &Bächli); Bernex/Signal, 510 m, 8.viii.2000 (leg. Merz &Bächli). GL: Schwändital, 1250 m, 2000 (leg. Duelli). GR:Dischmatal, 1600 m, 16.–31.vii.1991 (leg. Brodmann); Lantsch, 1460 m, 2000 (leg. Duelli); Lenzerheide, 1520 m, 8.viii.1998; Rothenbrunnen, 630 m, 8.viii.1996 (leg. Merz &Bächli); Saas, 1100 m, 7.viii.2010; Savognin, 1360 m, 17.–20.vii.1988; Tinizong, 1350 m, 3.vi.2000; Tschlin, 1600 m, 24.vi.2016, 1500 m, 25.vi.2016. JU:Delémont, 500 m, 2.– 6.viii.1974; LU:Dierikon, 550 m, 2000, 2003, 2004 (all leg. Duelli); Luzern, 550 m, 24.vi.–5.viii.2006 (all leg. Sattler). NE:St. Blaise/Les Rièdes, 500 m, 19.v.2001. SO:Balmberg, 1050 m, 18.viii.1992; Messen, 500 m, 15.ii.2004, 22.iii.2004, 5.iv. 2004, 13.iv.2004, 14.vi.2004 (all leg. Wermelinger); Weissenstein, 1000 m, 25.vi. 2006. TG:Lommis/Immenberg, 700 m, 4.viii.2007; Roggwil, 420 m, 2004, 2005 (all leg. Duelli). TI:Bolle di Magadino, 200 m, 9.viii.1997; Robiei, 1900 m, 4.– 5.vii.2008. VD:La Dôle, 1500 m, 26.vii.2004. VS:Baltschieder, 650 m, 24.vi.2000; Bürchen, 1600 m, 7.–13.viii.1993; Jeizinen, 1500 m, 26.vi.2004, 3.vii.2001, 10.viii. 2013; Leuk/Platten, 600 m, 19.v.1996 (leg. Merz &Bächli); 22.vii.2004; Mörel, 850 m, 28.v.2010 (leg. Obrist); Mund/Finnen; 1400 m, 21.vi.2014; Visperterminen, 1300 m, 30.vii.1998, 31.vii.1998 (leg. Merz &Bächli). ZH:Flaach, 350 m, 30.vi. 2000; Marthalen/Niderholz, 390 m, 17.iv.2006 (leg. Frei); Uitikon, 540 m, 2004 (leg. Duelli); Wettswil/Oelerde, 650 m, 26.vi.2011; Zürich, 450 m, 24.vi.–5.viii. 2006 (leg. Sattler).

Austria:Leutschach, 350 m, 13.–17.vii.2001. Czech Republic:Borova Lada, 900 m, 26.viii.1998; Italy:Bormio, Sondrio, 1300 m, 29.vii.–3.viii.2000. Romania: Bucuresti, 16.vii.1986; Calimani, 1700 m, 21.viii.1981; Cimpulung, 600 m, 21.v. 1988, 23.v.1981, 7.vii.1976, 12.vii.1981, 22.x.1981; 800 m, 19.vi.1988, 5.viii.1975, 24.ix.1987; Cornetu, 30.iii.1983, 7.iv.1981; Rarau, 1500 m, 4.viii.1978; Val. Pulnei, 900 m, 11.vi.1984, 22.v.1978 (all leg. Ceianu).

Distribution:Palaearctic ( Ozerov 2005).

Comments: S. violacea ’s ecology appears to be similar to S. fulgens ,but S. violacea is much larger and less frequent than the latter. The species is most common at muck hills, pig dung and manure.