A new species of Hoplophorella (Acari, Cryptostigmata) from Java B. W. Parry Department of Zoology, British Museum (Natural History), Cromwell Road, London, SW7 5BD, England Introduction As part of a survey of the world oribatid fauna, Dr Marie Hammer made a collection of soil and litter-dwelling oribatids on Java in 1974. Details of the localities examined and descrip-tions of the aptychoid species identified were subsequently published (Hammer, 1980), while the euptyctimoid mites were kindly sent to the author for examination. Phthiracarus anonymum Grandjean, Phthiracarus tardus Forsslund, Steganacarus striculus (C. L. Koch), Rhysotritia ardua (C. L. Koch) and Microtritia tropica Markel were identified, as well as two specimens of an undescribed species of the genus Hoplophorella Berlese, characterized by the presence of spatulate and strongly serrated notogastral setae. A detailed description of this mite is given below. The holotype is deposited in the collections of the Zoological Museum of the University of Copenhagen and the paratype in the British Museum (Natural History), London. Family PHTHIRACARIDAE Perty, 1 84 1 Hoplophorella spatulata sp. nov. Aspis (Figs 1-3): 180-185 um long and with a maximum width of 130-140 um. All the dorsal setae are serrated and procumbent. The lamellar (la) and rostral setae (ro), approxi-mately 20 urn and 30 urn in length respectively, are rather stout while the interlamellars (//) are broadly spatulate and about 30 um in length. There is a prominent median keel in front of the il-la setae and posteriorly the prodorsal integument is raised into a number of longi-tudinal and transverse ridges. The sensilli, 55-70 um in length, are membranous and serrated distally, while the basal portion is slender and distinctly cranked. A number of finger-like tracheoles are associated with each bothridium and there is a single pair of short, smooth exobothridial setae (ex). The prodorsal integument is coarsely pitted. Notogaster (Figs 4-6): 300-340 um in length along a line through c\-ps\, and with a greatest depth of 210-220 um. There are 15 pairs of setae, all of which are short (less than the distance c\-d\), spatulate and serrated. The seta c\ is situated on the posterior margin of the collar and setae c 2 _3 submarginally. The fissures ip and ips are absent while vestigial/i is located just below seta h\ and^ between h\ and H 2 . The notogastral integument is coarsely pitted. Ano-genital region (Fig. 9): There are three pairs of marginal anal setae (an\^) and two pairs of adanals (ad\_ 2 ] located submarginally. Setae an\^ are all moderately stout, serrated and approximately equal in length. The anterior pair of adanal setae (ad 2 ) are short and fine while the posterior pair, approximately 55 um in length, are rather stout and taper to a fine point. Both pairs of adanal setae are weakly serrated. In lateral aspect the paraxial margins of the anal plates are strongly convex and thus rather prominent. There are nine pairs of genital setae (#1-9) and a single pair of aggenitals (ag). The latter are located antiaxially in the genital furrows. All the genital setae are short and marginal, the anterior five setae (gi_ 5 ) being inserted more closely together than the posterior four (#6-9)-There are three pairs of genital papillae, the anterior pair being rather small. The integument of the ano-genital region is coarsely pitted with the exception of the non-setal bearing areas of the anal plates which have no distinct ornamentation. Bull. Br. Mus. nat. Hist. (Zool.) 38 ( 1 ): 89-93 Issued 27 March 1 980 89
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