New species and new records of Pterosthetops: eumadicolous water beetles of the South African Cape (Coleoptera, Hydraenidae) Author Bilton, David T. text Zootaxa 2014 3811 4 438 462 journal article 45587 10.11646/zootaxa.3811.4.2 dad75c9b-1930-47fb-ba79-eb519a90c45a 1175-5326 253023 99629EFB-F2F6-4DE8-AABA-D71069106912 Pterosthetops hawequas Perkins 2008 Described from a single male from Hawequas , close to Du Toit’s Kloof Pass in the southwest of the Weastern Cape. New records show that this species is actually widespread in the Western Cape, its known range now extending from Franschhoek Pass, north to the edge of the Great Escarpment at Vanrhyns Pass ( Fig. 6 C). Often the most abundant species of the genus, particularly on seepages with flocculated clay deposits (e.g. at Middelberg pass, Fig. 6 A). All additional records from rock faces below springs. Additional records: September 2002 Western Cape, Cederberg, seepages on rock beside R364 ca. 20 km E of Clanwilliam— 3 ♂ ; September 2002 Western Cape, Mitchell’s Pass nr. Ceres, seepages over rock— 1 ♂ , 2♀; September 2002 Western Cape, Bainskloof Pass above Wellington, seepages over rock beside RXX road on north side of pass— 1 ♂ ; 26/ix/2008 Western Cape, Du Toitskloof Pass, wet rock face— 1 ♂ ; 25/ix/2009 Western Cape, Franschhoek Pass, wet rock faces beside R45 road ( Fig. 6 B)— 4 ♂ , 4 ♀; 20/ix/2010 Western Cape, Middelberg Pass, seepages over rock with algae on R303 road above Blinkwater ( Fig. 6 A)— 2 ♂ , 4 ♀; 21/ix/2010 Western Cape, Cederberg, Uitkyk Pass, seepages over rock face beside road ( Fig. 5 C); 23/ix/2011 Western Cape, Cederberg, seepages over exposed rock @ 1,200 m , below Wolfberg Arch, beside Matjiesrivier-Wupperthal road ( Fig. 5 A)—1 ♀; 24/ix/2012 Western Cape, Cederberg, Uitkyk Pass, seepages over rock face beside road at top of pass ( Fig. 7 B & C); 3/x/2013 Western Cape, Cederberg, wet rock face in permanent spring below Wolfberg Cracks—abundant; 18/ix/2010 Northern Cape, Vanrhyns Pass, seepage on rock face along R27 road ( Fig. 6 C)—abundant; 27/ix/2011 Northern Cape, 1 km E. of Vanrhyns Pass, seepage on almost horizontal sandstone beside temporary pond—abundant. Distribution Fig. 8 .