The Hydrophiloid beetles of Socotra Island (Coleoptera: Georissidae, Hydrophilidae) Author Fikáček, Martin Department of Entomology, National Museum, Kunratice 1, CZ- 148 00 Praha 4, Czech Republic; e-mail: mfikacek @ gmail. com & Department of Zoology, Faculty of Science, Charles University in Prague, Viničná 7, CZ- 128 44 Praha 2, Czech Republic Author Delgado, Juan A. Departamento de Zoología, Facultad de Biología, Universidad de Murcia, 30100, Murcia, Spain; e-mail: jdelgado @ um. es Author Gentili, Elio Via San Gottardo 37, I- 21030 Varese-Rasa, Italy; e-mail: elio. gentili. 32 @ alice. it text Acta Entomologica Musei Nationalis Pragae 2012 2012-12-17 52 107 130 journal article 10.5281/zenodo.5334580 0374-1036 5334580 Cercyon ( Cercyon ) nigriceps (Marsham, 1802) Material examined. 1 J, 1 ♀ , 5 spec. ( NMPC ): Al Haghier Mts. , wadi Madar , 12°33.2′N 54°00.4′, 1180–1230 m a.s.l. , 12.–14.xi.2010 , J. Hájek lgt .; 2 spec. ( NMPC ): Al Hagier Mts. , W slopes, Skant area , 12°35′52″N 54°00′01″, 1240 m a.s.l. , 2.xii.2003 , D. Král lgt.; 1 spec. ( NMPC ): Hadiboh env., 12°65′02″N 54°02′04″E , ca. 10–100 m a.s.l. , 21.xi.–12.xii.2003 , D. Král lgt .; 1 spec. ( NMPC ): Zemhon area , 12°30′58″N 54°06′39″E , 270–350 m a.s.l. , 3.–4.ii.2010 , Purchart & Vybíral lgt .; 2 spec. ( CULS ): Dixam plateau, Sirhin area , 12°31′08″N 53°59′09″E , 812 m a.s.l. , 1.–2.xii.2003 , J. Farkač lgt .; 1 spec. ( NMPC ): same label data, but P. Kabátek lgt .; 4 spec. ( NMPC ): Dixam plateau, Firmihin ( Dracaena forest), 12°28.6′N 54°01.1′E , 490 m a.s.l. , 15.–16.xi.2010 , J. Bezděk lgt ; 1 spec. ( PLCL ): wadi Ayhaft , 28.ii.–1.iii.2009 , P. Lo Cascio & F. Grita lgt .; 6 spec. ( NMPC ): Dixiam plateau, wadi Esgego , 12°28′09″N 54°00′36″E , 300 m a.s.l. , 2.–3.xii.2003 , lgt. D. Král . Distribution. Originally most probably Oriental (S. Ryndevich, pers. comm.), this species was introduced during or prior to the 19th century to tropical and subtropical areas all over the world, and occurs rarely in adjacent temperate regions. Previously recorded from Socotra Island by WRANIK (2003) .