Hydroglyphus socotraensis Wewalka, 2004 Published records. WEWALKA (2004: 466): Socotra. Material examined. YEMEN: SOCOTRA ISLAND: 2 spec., Dixam plateau, Sinhin area, 12°31ʹ08ʺN, 53°59ʹ09″E, 812 m, 1.–2.xii.2003, J. Farkač leg.; 2 spec., Dixam plateau, wadi Esgego, 12°28ʹ09ʺN, 54°00ʹ36ʺE, 300 m, 2.–3.xii.2003, P. Kabátek leg.; 6 spec., same data, but 13.v.2004, A. Reiter leg.; 3 spec., Dixam plateau, wadi Zerriq, 12°31ʹ08ʺN, 53°59ʹ09ʺE, 750 m, 3.xii.2003, P. Kabátek leg.; 4 spec., 6 km SE of Hadibo, wadi Denegen, 12°36ʹ42ʺN, 54°03ʹ41ʺE, 140 m, 4.v.2004, A. Reiter leg.; 2 spec., Dixam plateau, Dixam lake, 12°31ʹ23ʺN, 53°57ʹ12ʺE, 1000 m, 12.v.2004, A. Reiter leg.; 5 spec., wadi Ayhaft, 12°36ʹ26ʺN, 53°59ʹ22ʺE, 220 m, 16.v.2004, A. Reiter leg.; 18 spec., same data, but pool, 7.–8.xi.2010, J. Hájek leg.; 3 spec., Aloove area, Hassan vill. env., 12°31.2ʹN, 54°07.4ʹE, 221 m, at light, 9.–10.xi.2010, J. Bezděk leg.; 2 spec., Dixam plateau, Firmihin (Dracaena forest), 12°28.6ʹN, 54°01.1ʹE, 490 m, at light, J. Bezděk leg.; 2 spec., Qadub, coastal salt marsh, 12°38.3ʹN, 53°57.3ʹE, 8 m, 14.vi.2012, J. Bezděk, J. Hájek, V. Hula, P. Kment, I. Malenovský, J. Niedobová & L. Purchart leg. (all NMPC). Habitat. Collected frequently in puddles and both natural and manmade pools, from sea level to Dixam plateau (1000 m a.s.l.); found also in salty coastal marsh, and frequently attracted also to light trap. Distribution. So far known only from the type series (WEWALKA 2004); a species endemic to Socotra Island.

Published as part of Hájek, Jiří & Reiter, Antonín, 2014, Adephagous water beetles (Coleoptera: Gyrinidae, Haliplidae, Noteridae, Dytiscidae) of Yemen and Dhofar region (Oman) with description of a new Hyphydrus from Socotra Island, pp. 63-99 in Acta Entomologica Musei Nationalis Pragae 54 on page 88, DOI: 10.5281/zenodo.5314766