Nineteen species of the order Coleoptera listed in the Red Data Book of Lithuania (2007) are known to exist on the territory of the Kaliningrad Region: 17 of them were recorded in the Kaliningrad Region during the investigation conducted by the author in 1989-2009, while the presence of two other species in the region is known only from oral reports. The current paper presents information on sampling locations of the above-mentioned 19 species and six other beetle species that are rare in the region. Also, the article discusses some problems associated with the compilation of threatened insects' list and surveys potential measures for protecting vanishing beetle populations in the Kaliningrad Region.

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