12. A. sordidus sordidus (Fabricius, 1775)

Lentz 1879; Bercio & Folwaczny 1979; Alekseev & Shapoval 2016.

Voucher specimens: 14 [Rybachii, 10 August 1997; Sovetsk, 09 July 2000; Kumachevo, 16 June 2001; Kosa, 06 July 2005; Chkalovsk, 24 June 2007; Timiryazevo, 12 June 2007, 2 exp.; 23 km of the Curonian Spit, 13 August 2012; ibidem, 05 September 2015; Divnoe, 17 September 2018, 5 exp.].

Kaliningrad Region: Common everywhere; Chern., Gur., Nem., Zel.

Comments: Widely distributed and frequent in the Kaliningrad Region species. In the cattle dung on meadows, pastures, forest edges.