Four new diarthrophallid mites (Acari, Mesostigmata, Diarthrophallidae) from tropical Africa Author Haitlinger, Ryszard text Annals of the Upper Silesian Museum (Entomology) 2001 2001-12-17 10 - 11 169 177 journal article http://doi.org/10.5281/zenodo.7781787 7781787 Key to females of Malasudis 1. Seta dl not exceeding 100 bm in length; dorsal plate only with two pairs of ultralong setae ........ M. echinopus SCHUSTER & SUMMERS, 1978 ,Kenya - Seta dl exceeding 170 Rm in length; dorsal plate bears at least three pairs of ultralong setae.......................................................................................2 2. Setae on femora III-IV unequal in length; femora III with one seta at least thrice longer than the remaining ones ..... M. vernaen .sp., Madagascar - Setae on femora III-IV with similar length; if unequal then one of them twice longer and dorsal plate has only three pairs of setae .............. 3 3. Dorsal plate with three pairs of setae. Postgenital setae set on or close beside posterior margin of sternoventral plate ..................................... ........................ M. tribulusSCHUSTER&SUMMERS, 1978,Madagascar - Dorsal plate with five or six pairs of setae. Postgenital setae on sterno-ventral plate...............................................................................................4 4. Dorsal plate with six pairs of setae; their length less than 250 Pm. Tectum bears bifurcate medial ramus. Macrosetae on femora III-IV with different length; macrosetae FelVa/FelVb ratio 1.80-2.00 ............................... .............................................................................. M. arii n.sp. , Cameroon -.... Dorsal plate with five pairs of setae; their length more than 300 Pm. Tectum with undivided medial ramus. Macrosetae on femora III-IV similar in length; macrosetae FelVa/FelVb ratio 1.28 ............................ M. koraen .sp., Madagascar