A new species of Halozercon (Acari: Zerconidae) from South Siberia (Russia) with additional information on Halozercon karacholana Wiśniewski et al., 1992 Author Marchenko, Irina I. text Zootaxa 2018 2018-03-15 4394 3 347 370 journal article 30509 10.11646/zootaxa.4394.3.2 e3e52f5d-a87a-4987-95d8-0725430344ed 1175-5326 1199754 46BC4E6A-2D01-4A7B-A4F2-D1DA96F69327 Halozercon barguzin sp. nov. Diagnosis. Podonotal shield extensively neotrichous; opisthonotal shield with indistinct reticulation; extensive neotrichy only in lateral regions, central region usually with four pairs of setae in J —row. First sternal platelet ornamented by small tubercles, entire in some specimens, or divided into two in median area, without lyrifissures; second pair of sternal platelets with lyrifissures iv3 and iv4 . Vertex between j1 and z1 setae without pore-like structures; peritremes in adults and deutonymphs long and straight, reaching level of top spine of coxae II anteriorly; a pair of large subtriangular metapodal shields present in female. Adgenital gland pores gv2 multiple, dispersed over the surface: two openings of glands located on soft cuticle postero-laterad of genital shield, other openings (4–6) located on ventri-anal shield.