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 Hoplophthiracarus ambiguus Niedbała, 1982 ( Fig. 41 A-G) Hoplophthiracarus ambiguus : Niedbała 2001 , Niedbała & Ermilov 2014 , Niedbała & Starý, 2015b . Diagnosis — Measurements of holotype : prodorsum 288, width 197; notogaster: length 586, width 409, height 369. Species of medium size; colour yellowish; integument finely punctuate and covered with concavities. Prodorsum with broad, convergent median and very short lateral sigillar fields; small sinus posterior of rostral setae; lateral carinae and posterior furrows present; sensilli long, with narrow pedicel and enlarged, spinose head; interlamellar setae long, erect, covered with spines; lamellar and exobothridial setae minute; rostral setae also short, spiniform, rough, slightly bent; in > ss > ro > le > ex . Notogaster with rather short ( c 1 <‰ c 1 - d 1 ) setae, covered with small spines, setae c 1 and c 3 slightly remote from anterior margin, setae c 2 far from margin; vestigial setae f 1 posterior of h 1 setae, situated between setae h 1 and ps 1 ; 4 pairs of lyrifissures ia , im , ip , ips present. Ventral region ; setae h of mentum slightly shorter than distance between them; arrangement of genital setae: 7(4+3): 2, between anoadanal setae, ad 1 and ad 2 rough and longer than other setae. Leg setation reduced, setae a’ on tarsi missing; setae d on femora I remote from distal end of article . Locality in Tanzania : Uluguru Mts. Distribution — Afrotropical species, central part.