Ochthebius

Perkins, Philip D., 2011, New species and new collection records of aquatic beetles in the genus Ochthebius Leach from southern Africa (Coleoptera: Hydraenidae), Zootaxa 3093, pp. 1-34 : 25

Ochthebius (s.s.) extremus (Péringuey) , 1892

Fig. 28 (map)

New collection records (85 specimens): South Africa: Northern Cape Province: Dermbergsdraaifarm, shore washing, 30 ° 48 ' S, 17 ° 43 ' E, 19 ix 1994, Endrödy & Bellamy (# 3020) (17 TMSA); Transvaal Province: Pond in river at Elaandsbaai, brackish water, 32 ° 18 ' S, 18 ° 21 ' E, 24 viii 2004, G. L. Challet (1 NMW); Western Cape Province: 20 km W Bredasdorp, 34 ° 31 ' S, 19 ° 50 ' E, 6 i 1994, Wewalka (17) (2 NMW); Cape Agulhas, Soetendalsvlei, 34 ° 43 ' S, 19 ° 59 ' E, 1 i 1992, Mazzoldi (33 NMW); Pond on road to Elim from Cape Agulhas, 34 ° 39 ' S, 19 ° 54 ' E, 4 xii 1995, G. L. Challet (9 NMW); Stream near Malagas, 34 ° 17 ' S, 20 ° 34 ' E, 4 xii 1995, G. L. Challet (1 NMW); 8 mi. E. Wilderness, 33 ° 58 ' S, 22 ° 43 ' E, 13 iii 1968, P. J. Spangler (6 USNM); Agulhas Plain, wetland 110.2, emergent vegetation, 34 ° 41 ' S, 19 ° 43 ' E, 11 x 2007, M. Mlambo & M. Bird (2 UCT); Agulhas Plain, wetland 112.2, submerged vegetation, 34 ° 43 ' S, 19 ° 45 ' E, 11 x 2007, M. Mlambo & M. Bird (4 UCT); Agulhas Plain, wetland 116.1, 34 ° 36 ' S, 19 ° 57 ' E, 13 x 2007, M. Mlambo & M. Bird (2 UCT); Agulhas Plain, wetland 123.2, 34 ° 45 ' S, 19 ° 54 ' E, 14 x 2007, M. Mlambo & M. Bird (1 UCT); Cape of Good Hope Nature Reserve, 34 ° 16 ' S, 18 ° 25 ' E, 7–10 iii 1968, P. J. Spangler (2 USNM); Cape Town, 33 ° 55 ' S, 18 ° 25 ' E ,, [no collector or date on label] (2 USNM); Darling, wetland 33.3, 33 ° 8 ' S, 18 ° 27 ' E, 20 ix 2007, M. Mlambo & M. Bird (2 UCT); De Hoop Nature Reserve, wetland 128.2, emergent vegetation, 33 ° 24 ' S, 20 ° 33 ' E, 20 viii 2007, M. Mlambo & M. Bird (1 UCT); Plettenberg Bay, 34 ° 5 ' S, 23 ° 25 ' E, 14 iii 1968, P. J. Spangler (1 USNM); Rondevlei, wetland 139.3, 34 ° 21 ' S, 18 ° 52 ' E, 26 x 2007, M. Mlambo & M. Bird (1 UCT); Soetendalsvlei, wetland 140.3, open water, 34 ° 43 ' S, 19 ° 58 ' E, 14 x 2007, M. Mlambo & M. Bird (1 UCT); Veldrift, wetland 39.3, 32 ° 46 ' S, 18 ° 13 ' E, 21 ix 2007, M. Mlambo & M. Bird (3 UCT); Veldrift, wetland 40.1, submerged vegetation, 32 ° 49 ' S, 18 ° 6 ' E, 21 ix 2007, M. Mlambo & M. Bird (1 UCT).

Distribution. Currently known only from the southern extreme of the Western Cape Province, where it is comparatively commonly collected ( Fig. 28).