Mesoceration umbrosum Perkins, 2008

Bilton, David T., 2015, New species and new records of Mesoceration Janssens, 1967 from South Africa (Coleoptera, Hydraenidae), Zootaxa 3972 (4), pp. 495-520 : 518

Mesoceration umbrosum Perkins, 2008

Apparently restricted to the Gifberg area in the northern part of the Western Cape fold mountains. The following new records are from this same general area, but extend the range onto the adjacent escarpment and into the Northern Cape Province: 18/ix/2010 Northern Cape, sandy margins of temporary pool beside R27 road ca. 2 km E of Vanrhynspass— 1 ♂; 20/ix/2014 Western Cape, Gifberg, stream in Gifberg Pass above Vanrhynsdorpabundant; 21/ix/2014 Western Cape, Matsikammaberg, stream 1 km NW of Sewefontein farm ( Fig. 5 B)— abundant; 21/ix/2014 Western Cape, Matsikammaberg, stream 1 km SE of Sewefontein farm ( Fig. 6 A)—abundant.

Figures

FIGURE 5. Habitats of Mesoceration species in South Africa. A) KwaZulu-Natal, uKhahlamba Drakensberg National Park, Injisuthi, stream in Afromontane forest remnant below Van Heyningen’s Pass— M. caniplenum sp. nov., beetles collected from the wet rockface on the right hand side of the stream; B) Western Cape, Matsikammaberg, stream 1 km NW of Sewefontein farm— M. foggoi sp. nov., M. umbrosum; C) Western Cape, Cederberg, Breëwaterkloof stream, ca. 2 km SE of Uitkyk Pass, 1,050 m— M. hirsutum sp. nov., M. dissonum, M. granulovestum, M. jucundum, M. languidum, M. periscopum, M. piceum, M. repandum, M. rivulare; D) Western Cape, Franschhoek Pass, wet rock faces beside stream crossing R 45 road, 500 m— M. rugulosum sp. nov. Photos D. T. Bilton.

FIGURE 6. Habitats of Mesoceration species in South Africa. A) Western Cape, Matsikammaberg, permanent stream 1 km SE of Sewefontein farm— M. foggoi sp. nov., M. sewefonteinense sp. nov., M. umbrosum; B) Western Cape, False Bay, small stream on R 44 road below Boskloof Peak— M. sinclairi sp. nov., M. brevigranum; C) Western Cape, Groote Swartberg, permanent stream below Kangoberg on Gamkaskloof road— M. barriotum, M. littlekarroo, M. reticulatum, M. splendorum; D) Western Cape, Table Mountain National Park, Table Mountain, stream in Echo Valley— M. abstrictum, M. tabulare. Photos D. T. Bilton.