A revision of Delevea Reichardt, 1976: a Southern African endemic water beetle genus including the largest known extant myxophagans (Coleoptera: Myxophaga: Torridincolidae)

被引:2
作者
Bilton, David T. [1 ,2 ]
Mlambo, Musa C. [3 ]
机构
[1] Univ Plymouth, Marine Biol & Ecol Res Ctr, Sch Biol & Marine Sci, Plymouth PL4 8AA, England
[2] Univ Johannesburg, Dept Zool, POB 524, ZA-2006 Johannesburg, South Africa
[3] Rhodes Univ, Dept Freshwater Invertebrates, Albany Museum, Affiliated Res Inst, ZA-6140 Grahamstown, South Africa
关键词
Aquatic Coleoptera; Torridincolidae; madicolous habitats; new species; South Africa; GREAT ESCARPMENT; BIODIVERSITY; BRAZIL; CAPE;
D O I
10.11646/zootaxa.5285.2.5
中图分类号
Q95 [动物学];
学科分类号
071002 ;
摘要
The Southern African endemic torridincolid water beetle genus Delevea Reichardt, 1976 is revised, based largely on recently collected material from the Republic of South Africa. Significant range extensions are provided for the two previously described species, Delevea bertrandi Reichardt, 1976 and D. namibiensis Endrody-Younga, 1997, these taxa apparently being endemic to the Fynbos Biome in the Western Cape Province and semi-arid, summer rainfall, areas of the Great Escarpment in Namibia and South Africa, respectively. In addition, two new species, Delevea madiba sp. nov. and D. namaqua sp. nov. are described from winter rainfall areas of Namaqualand in the Northern Cape Province. Both species are currently only known from their type locality and, at up to 2.85 mm in adult body length, D. namaqua sp. nov. is the largest described extant species of the suborder Myxophaga.
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页码:311 / 324
页数:14
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