(9). A. nemoralis Erichson, 1848

Bercio & Folwaczny 1979.

Kaliningrad Region: Chern. (Insterburg), Pravd. (Zehlau).

Comments: Umbrophilous forest species, a coprophage encountered mainly in the feces of forest cervids. Widely distributed in Baltic region, Fennoscandia (Silfverberg 2010), Lithuania (Tamutis et al. 2011), Belarus (Alexandovitch et al. 1996), and north-western Poland (Byk & Rutkiewicz 2017).

[ A. piceus Gyllenhal, 1808]

Comments: Known in Baltic region, Fennoscandia (Silfverberg 2010), Lithuania (Tamutis et al. 2011). The certain data from Eastern Prussia are absent (Bercio & Folwaczny 1979), but the occurrence of the species in the Region is possible.