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 Protophthiracarus venustus (Niedbała, 1983) ( Fig. 53 A-E) Hoplophorella venusta Niedbała.1983 . Protophthiracarus venustus : Niedbała 2001 , 2008a . Diagnosis — Measurements of holotype : prodorsum: length 241, width 167, height 88; notogaster: length 449, width 288, height 293. Species of medium size; colour brown, surface covered with small concavities. Prodorsum with median and lateral fields narrow; lateral carinae reach the sinus; posterior furrows present; sensilli long, sickleshaped, enlarged towards distal end, covered with spines; interlamellar setae long, thick, covered with spines in distal half, rostral and lamellar setae smooth, spiniform; in > ss > ro > le ; exobothridial setae vestigial. Notogaster with thick, relatively short ( c 1 < c 1 - d 1 ) setae, covered with spines in distal half; vestigial setae absent; 2 pairs of lyrifissures ia and im present. Ventral region , setae h of mentum longer than distance between them; formula of genital setae: 6(4+2): 3; among anal and adanal setae ad 2 the longest and the thickest. Leg setation reduced, setae a’ on tarsi I missing . FIGURE 51: Protophthiracarus mayottei Niedbała, 2001 (holotype): A – prodorsum, dorsal view; B – prodorsum, lateral view; C – opisthosoma, lateral view; D – paraxial margin of left genitoaggenital plate; E – paraxial margin of left anoadanal plate; F – trochanter and femur of leg I. FIGURE 52: Protophthiracarus turianiensis Niedbała et Starý, 2015 (holotype): A – prodorsum, dorsal view; B – prodorsum, lateral view; C – opisthosoma, lateral view; D – mentum of subcapitulum; E – left genitoaggenital plate; F – fragment of paraxial margin of left genitoaggenital plate; G – left anoadanal plate; H – trochanter and femur of leg I. FIGURE 53: Protophthiracarus venustus (Niedbała, 1983) (holotype): A – prodorsum, dorsal view; B – prodorsum, lateral view; C – opisthosoma, lateral view; D – left genitoaggenital plate; E – right anoadanal plate. Locality in Tanzania : Mt. Meru: Niedbała 2008a . Distribution — Afrotropical, central part.