Ptyctimous mites (Acari, Oribatida) of Tanzania Author Niedbała, Wojciech text Acarologia 2017 2017-11-14 57 4 957 1072 http://dx.doi.org/10.24349/acarologia/20174217 journal article 10.24349/acarologia/20174217 2107-7207 5402635 21351710-FE9E-4E20-A29D-C480D3BA56FD Mesoplophora ( Mesoplophora ) invisistata Niedbała, 1983 ( Fig. 2 A-F) Mesoplophora ( Mesoplophora ) invisistata : Niedbała 2001 . Diagnosis — Measurements of holotype : prodorsum: length 267, width 183, height 126; notogaster: length 364, width 303, height 222. Species of medium size; colour yellow. Prodorsum with pointed rostrum; lateral carinae present; sensilli ( ss ) long with 8 thin spines; other setae smooth, interlamellar ( in ) setae longer than lamellar ( le ) and rostral ( ro ) setae; exobothridial ( ex ) setae equal to diameter of bothridia. Notogaster with 8 pairs of strong, rough setae, c 1-3 remote from anterior margin, setae e 1 and e 2 thicker than other setae. Ventral region with 9 pairs of ventral setae unequal in length; 7 pairs of genital setae with formula: 5+2; 2 pairs of anal setae present . Localities in Tanzania : Nguru Mts. Species new for TAN. Distribution — It is pantropical; oriental and afrotropical species.