The lectotype male, allotype female, and paratype nymph of Haemaphysalis (Rhipistoma) cooleyi Bedford, 1929, a parasite of the rock hyrax, Procavia capensis, in the Transvaal, are redescribed and illustrated to provide reliable criteria for differentiating between haemaphysaline parasites of hyraxes. Keys are included for identifying adults of these Haemaphysalis spp. (orientalis Nuttall & Warburton, 1915; bequaerti Hoogstraal, 1956; cooleyi Bedford, 1929; hyracophila Hoogstraal, Walker & Neitz, 1971).
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