1. A. arenaria (Fabricius, 1787)

Bercio & Folwaczny 1979; Alekseev & Sakhnov 2000; Alekseev 2003, 2005, 2014.

Voucher specimens: 6 [Zelenogradsk, 10 May 1996, 2 exp.; Morskoe, 04 May 2007; Yantarny-Donskoe, 24 May 2010, 3 exp.].

Kaliningrad Region: Zel. („Längs des gesamten Strandes von Memel bis Hela“); Bagr., Zel .

Comments: Frequent and sporadically distributed psammophilous species on the sandy beaches and dunes of the Baltic Sea occurred on the Elymus roots.