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 Euphthiracaridae Jacot, 1930 Euphthiracaridae : Grandjean 1967 , Aoki 1980b , Balogh and Mahunka 1983 , Mahunka 1990 a Tritiinae Jacot, 1923: Mahunka 1990 a Pseudotritiidae Grandjean, 1954 : Mahunka 1990 a Type genus: Euphthiracarus Ewing, 1917 . Diagnosis — Bothridia with brachytracheae or tracheoles; genitoaggenital and anoadanal regions fused into two holoventral plates ( Norton et al. 2003 ); anogenital cleft rarely present; one or two interlocking triangles present; palps 3-segmented.