*40. Acalles echinatus (Germar, 1824)
Local references: Not reported earlier; mentioned only as potential species for Kaliningrad region (Alekseev 2016).
Material: Baltiisk district, Mechnikovo vicinity, 54.67°N, 19.91°E, 09.04- 07.05.2018, 1 ex., pitfall trapping in Fageto-Quercetum forest; ibidem, 08.07- 04.08.2018, 1 ex.; ibidem, 02.06.2021, 1 ex., on old Fagus sylvatica .
Comments: This is the first report of the species from Kaliningrad region. It is probably native cryptic species with unknown distribution in Kaliningrad region.