Alekseev V.I. 2020. Interesting observations of beetles (Coleoptera) from Kaliningradskaya Oblast during 2018–2019, with supplementary pre-2018 data // Euroasian Entomological Journal. Vol.19. No.1: 18–30 [in English].

Shirshov Institute of Oceanology, Russian Academy of Sciences, Nahimovskiy Prosp. 36, Moscow 117997 Russia. E-mail:

doi: 10.15298/euroasentj.19.1.02

ABSTRACT. Records of 30 species of Coleoptera from Kaliningrad Oblast are provided, ten of these species are reported from the studied area for the first time. Three of the regionally new species probably represent the species with the distribution range expansion (long-distanced invasion —Leiopus femoratus; short-distanced colonization — Phaleria cadaverina and Trachys fragariae), four are probably native but hidden species (Lopheros rubens, Isorhipis marmottani, Ischnomera cyanea, Anaesthetis testacea), and three species are new for the region in view of the modern taxonomical studies of corresponding genera (Suphrodytes figuratus, Hydrobius rottenbergii, Cotaster cf. cuneipennis). The representatives of two genera known each by a single historical report from the 19th century (Typhaeus, Combocerus) are recorded in the studied area and therefore confirmed. Three species (T. typhoeus, Ph. cadaverina, C. cf. cuneipennis) are in Kaliningrad Oblast as well as eastern Baltic Region at the northeastern margin of the distribution range.

KEY WORDS: fauna, beetles, western Russia, new reports.

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