The only two specimens of B. unicornis so far known from Asia A Turkey, Denizli env., [Çürüksu River valley], “Goundely” [= Goncalı] [railway station env.], May [19]26, [Hans] Kulzer leg., coll. ZSMG, dorsal and lateral views, body length 12.0 mm (photographs by Michael Balke) B Turkey, [Büyük Menderes River valley], “Bereketli (Denizli)” [= Bereketli near Nazilli], 5.vii.1965, [Helio] Pierotti & [Antonello] Perissinotto leg., coll. MSNG, body length 12.5 mm (photograph by Marcello Romano).

 
 
  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