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TWO NEW SPECIES OF HADOGENES (SCORPIONES, ISCHNURIDAE) FROM SOUTH AFRICA, WITH A REDESCRIPTION OF HADOGENES BICOLOR AND A DISCUSSION ON THE PHYLOGENETIC POSITION OF HADOGENES

2001; American Arachnological Society; Volume: 29; Issue: 2 Linguagem: Inglês

10.1636/0161-8202(2001)029[0146

1937-2396

Lorenzo Prendini,

Subterranean biodiversity and taxonomy

The taxonomic status of the endemic South African flat rock scorpion, Hadogenes bicolor Purcell 1899, is reassessed, based on a study of the types and a large series of newly-collected specimens. Specimens identified as H. bicolor by previous authors can be separated into at least three species on the basis of morphology, each of which occupies a discrete, allopatric distributional range. In light of this new evidence, H. bicolor is redescribed and two new species, Hadogenes longimanus and Hadogenes newlandsi, are described. A key is provided for the identification of the three allopatric species, and their ecology and conservation status are discussed. The phylogenetic position of Hadogenes is discussed in light of a recent cladistic analysis, and the monotypic family Hadogenidae Lourenço 2000 is synonymized with the family Ischnuridae Simon 1879.