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The first record of O. colveranus Ferro, 1979 from Poland is given. The beetle was found in Bereżki near Ustrzyki Górne. New data on the occurrence of 4 other Ochthebius species are presented.
New records of 18 species of the family Hydraenidae from Poland are reported. The occurrence of two species: Hydraena schuleri GANGL. and Ochthebius dilatatus STEPH. is confirmed in Poland. New localities of 11 rare species are presented. H. britteni JOY, H. melas DALLA TORRE, and H. truncata REY are newly reported from the Western Sudety Mts., H. excisa KIESENW. is newly reported from the Wielkopolska-Kujawy...
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