The tetranychid mites (Acari: Tetranychidae) of Kenya and a redescription of the species Peltanobia erasmusi Meyer (Acari: Tetranychidae) based on males Author Toroitich, Faith J. Author Ueckermann, Edward A. Author Theron, Pieter D. Author Knapp, Markus text Zootaxa 2009 2176 33 47 journal article 10.5281/zenodo.189364 b7969d38-5da7-4afd-94d6-d1847742fe31 1175-5326 189364 Petrobia Ewing 1909 (Bryobiinae: Petrobiini) It has 3 pairs of prodorsal setae and 10 pairs of opisthosomal setae all borne on prominent tubercles, peritreme ending simply with a bulb-like structure. Empodium curved distally and has two rows of ventrally directed tenent hairs. With 3 pairs of anal and 3 pairs of para-anal setae. Tarsus I has 3 pairs of duplex setae.