A taxonomic review of the Oriental Laccophilus javanicus species group (Coleoptera: Dytiscidae) Author Hájek, Jiří Department of Entomology, National Museum, Cirkusová 1740, CZ- 193 00 Praha 9 – Horní Počernice, Czech Republic jiri_hajek@nm.cz Author Brancucci, Michel Naturhistorisches Museum, Basel, Switzerland text Raffles Bulletin of Zoology 2015 2015-08-06 63 309 326 journal article 55750 10.5281/zenodo.5385198 c7f95b94-53f8-420d-97c5-4e27d7c211bf 2345-7600 5385198 AC7F1491-CD89-4F10-9D61-55354B55E368 Laccophilus tobaensis Brancucci, 1983 ( Figs. 15 , 33 ) Laccophilus tobaensis Brancucci, 1983: 255 (original description). Type locality. Indonesia , Nord Sumatra , Samosir , Toba-See . Material examined. 1 specimen . INDONESIA : Sumatra : 1 male , NW Sipirok , Hutaimbaru , 4 February 1991 , coll. M.A. Jäch ( NHMW ) . Diagnosis. Medium sized, broadly oval species (body length 4.4–4.5 mm ). Elytra with subbasal testaceous band divided longitudinally into separate spots ( Fig. 15 ). Apical part of median lobe rather short, almost subparallel; in lateral view with dorsal side only very slightly curved ( Fig. 33 ). Distribution. The species was described and is so far known only from northern Sumatra ( Brancucci, 1983 ) ( Fig. 41 ).