3. G. stercorarius (Linnaeus, 1758)
Bercio & Folwaczny 1979; Alekseev & Sakhnov 2000; Alekseev & Shapoval 2011, 2016; Alekseev 2014.
Voucher specimens: 3 [Morskoe, 8 May 1997; Rybachii, 17 July 2007; 23 km of the Curonian Spit, 1 July 2009].
Kaliningrad Region: Everywhere; Chern., Zel. (Curonian Spit).
Comments: Sporadically distributed, occasional species of the forest edges. In the Region is actually reported on horse excrements and in light trap samplings.