New and little known species of ptyctimous mites (Acari, Oribatida) from Cameroon Author Niedbała, Wojciech Author Starý, Josef text Zootaxa 2014 3889 1 31 57 journal article 10.11646/zootaxa.3889.1.2 51278449-1ee6-4634-909b-147906871864 1175-5326 228762 087B237C-E45C-4FDC-BC1A-649FB5B6A87E Key for Afrotropical Hoplophthiracarus species 1. Surface of notogaster distinctly reticulated, shape of notogastral setae cp , ps 3 and ps 4 different than other setae of notogaster..................................................................................... H. reticulatus sp. nov. -. Surface of notogaster not reticulated, at least notogastral setae ps 3 and ps 4 similar to other setae of notogaster............ 2 2. Notogastral setae hooked distally................................................... H. hamatus ( Hammer, 1973 ) -. Notogastral setae not hooked distally...................................................................... 3 3. Sensilli of prodorsum long, flexible, tapering, ciliate at distal half, without head.................................... 4 -. Sensilli of prodorsum not flexible and tapering, with distinct distal head.......................................... 6 4. Fields of prodorsum long and narrow, laterals slightly longer than median, two pairs of lyrifissures ia and im present, setae h of subcapitular mentum minute, setae d of femora I bifurcated distally............................ H. kumboensis sp. nov. -. Median fields of prodorsum large, always longer than laterals, four pairs of lyrifissures ia , im , ip , ips present, setae h of men- tum short but not minute, setae d of femora I not bifurcate..................................................... 5 5. Sensilli sickle-shaped, exobothridial setae vestigial, setae ad 2 of anoadanal plates not longer than other setae........................................................................................... H. parafrater Niedbała, 2012 -. Sensilli not sickle-shaped, exobothridial setae not vestigial, setae ad 2 of anoadanal plates considerably longer than other setae................................................................................. H. frater ( Balogh, 1958 ) 6. Setae of notogaster spiniform, pointed distally, except fine, flexible, smooth notogastral setae c 3 directed posteriorly, two pairs of lyrifissures ia and im present............................................................ H. spinus sp. nov. -. All setae of notogaster not spiniform, obtuse distally, four pairs of lyrifissures ia , im , ip , ips present................... 7 7. Rostral setae not reaching the end of rostrum, vestigial setae f 1 located posterior of setae h 1..... H. ambiguus Niedbała, 1982 -. Rostral setae extending beyond the end of rostrum, vestigial setae f 1 located anteriorly of setae h 1..................................................................................................... H. discrepus Niedbała, 1982