Catalogue of the family Ologamasidae Ryke (Acari: Mesostigmata) Author Castilho, Raphael C. Author Silva, Edmilson S. Author De, Gilberto J. Author Halliday, Bruce text Zootaxa 2016 4197 1 1 147 journal article 10.5281/zenodo.168445 449eccf3-b63f-437d-945f-85c5e01dadb2 1175-5326 168445 Euryparasitus Oudemans (13 described species) Movable and fixed cheliceral digits with 3–7 and 5–8 teeth, respectively. Epistome with an anteromedian extension wider at base, flanked or not by a pair of anterolateral spines, shorter than the anteromedian extension. Seta h 3 about in longitudinal line with h 1 and in transverse line or slightly anterior and mediad to h 2. Idiosoma elongate, 1020–1800 µm long and 620–940 µm wide at widest level. Podonotal and opisthonotal shields separated. Dorsal idiosomal setae aciculate. Podonotal region of dorsum with 22–23 pairs of setae, of which 22–23 pairs on podonotal shield and 0–1 pair on soft integument along lateral margins of podonotal shield. Opisthonotal region with 19–27 pairs of setae, of which 16–19 pairs on opisthonotal shield and 2–11 pairs on soft integument along lateral margins of opisthonotal shield. Seta j 1 not on prominent protuberance, shorter than r 3 and Z 5. Opisthonotal and ventrianal shields separated. With 1 pair of presternal platelets. Sternal shield not fused to endopodal shield near coxa IV; setae st 2 and st 4 slightly laterad to imaginary line between st 1 and st 3. Opisthogaster with four platelets between genital and ventrianal shields; with nine pairs of setae on ventrianal shield and 0–3 pairs on soft integument around ventrianal shield; post-anal seta shorter than para-anal seta. Peritreme with straight or smoothly curved margins, extending anteriorly to level between middle and anterior margin of coxa II. Peritrematal shield fused posteriorly to exopodal shield near coxa IV, with connection behind stigma wider than peritreme. Exopodal shields near coxae II–III–III fused. With 0–4 pairs of elongate or rounded metapodal platelets. All legs with pretarsi. Genua I, III and IV and tibia IV with 13, 9, 10 and 10 setae, respectively.