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
Pyriphis
Lee
(1 described species)
Movable and fixed cheliceral digits with four and ten teeth, respectively. Epistome with an anteromedian extension wider at base and acute distally. Seta
h
3 about in longitudinal line with
h
1 and slightly anterior and mediad to
h
2. Idiosoma suboval, 730 µm long and 570 µm wide at widest level. Podonotal and opisthonotal shields fused, forming holonotal shield. Dorsal idiosomal setae aciculate or spatulate and smooth or pilose. 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 27 pairs of setae, of which 27 pairs on opisthonotal shield and without setae on soft integument along lateral margins of opisthonotal shield. Seta
j
1 on prominent protuberance, shorter than
r
3 and
Z
5. Holonotal and ventrianal shields fused. With a pair of presternal platelets. Sternal shield not fused to endopodal shield near coxa IV; setae
st
1–
st
4 in
longitudinal line. Opisthogaster without platelets between genital and ventrianal shields; with eight pairs of setae on ventrianal shield and without setae on soft integument around ventrianal shield; post-anal seta as long as para-anal seta. Peritreme with straight or smoothly curved margins, extending anteriorly to level of coxa I. Peritrematal shield fused posteriorly to exopodal shield near coxa IV, with connection behind stigma wider than peritreme. Exopodal shields near coxae II–III–III 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.