21. Ischnomera cyanea (Fabricius, 1792)

Local references: Alekseev 2020.

Material: Cherniakhovsk, 54.64°N, 21.85°E, 30.05.2021, 1 ex., Angrapa riverbank, on vegetation.

Comments: This species is poorly known in Kaliningrad region, with few recent records.