A critical review of the distribution of the endangered European earth-borer beetle Bolbelasmus unicornis (Coleoptera, Geotrupidae), with new records from 13 countries and observations on its bionomy


	Biotopes of B. unicornis near Kamenica nad Hronom (Slovakia) A–C Čierna hora hill (A, B photographed by Ilja Trojan) D southwest facing slope northeast of Čierna Hora hill with old vineyards (photograph by Ondřej Sabol).

Part of: Juřena D (2022) A critical review of the distribution of the endangered European earth-borer beetle Bolbelasmus unicornis (Coleoptera, Geotrupidae), with new records from 13 countries and observations on its bionomy. ZooKeys 1105: 1-125. https://doi.org/10.3897/zookeys.1105.81474