(25). A. merdarius (Fabricius, 1775)
Lentz 1879; Bercio & Folwaczny 1979; Alekseev & Shapoval 2013 (misidentification); Alekseev 2014.
Kaliningrad Region: Bagr. (Ludwigsort), Gur. (Königsberg), Zel. (Loppöhnen, Rauschen).
Comments: Widespread in Baltic States and Fennoscandia (Silfverberg 2010), known in Belarus (Alexandovitch & Pisanenko 1991) and north-western Poland (Byk & Rutkiewicz 2017).