Gamaselliphis Ryke

Castilho, Raphael C., Silva, Edmilson S., De, Gilberto J. & Halliday, Bruce, 2016, Catalogue of the family Ologamasidae Ryke (Acari: Mesostigmata), Zootaxa 4197 (1), pp. 1-147 : 12-13

Gamaselliphis Ryke (5 described species)

Movable and fixed cheliceral digits with three and 3–6 teeth, respectively. Epistome with an anteromedian extension wider at base, flanked by one or more pairs of large anterolateral spines, shorter than the anteromedian extension. Position of setae h 1, h 2 and h 3 unknown. Idiosoma suboval, 320–610 µm long and 210–470 µm wide at widest level. Podonotal and opisthonotal shields separated. Dorsal idiosomal setae aciculate, pilose or leaf-like. Podonotal region of dorsum with 22 pairs of setae, of which 22 pairs on podonotal shield and without setae on soft integument along lateral margins of podonotal shield. Opisthonotal region with 20–25 pairs of setae, of which 20– 25 pairs on opisthonotal shield and without setae on soft integument along lateral margins of opisthonotal shield.

Seta j 1 not on prominent protuberance, usually shorter than r 3 and Z 5. Opisthonotal and ventrianal shields fused. With 1 pair of presternal platelets. Sternal shield fused to endopodal shield near coxa IV; setae st 3 mediad to imaginary line between st 1, st 2 and st 4. Opisthogaster without platelets between genital and ventrianal shields; with 6–8 pairs of setae on ventrianal shield and without setae on soft integument around ventrianal shield; post-anal seta as long as or longer than para-anal seta. Peritreme with straight or smoothly curved margins, extending anteriorly beyond to 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 or divided at median level of coxa III. Without distinct metapodal platelets. All legs with pretarsi. Genua I, III and IV and tibia IV with 13, 9, 10 and 10 setae, respectively.