A new intriguing species of the genus Pseudachorutella Stach, 1949 (Collembola: Neanuridae: Pseudachorutinae) from Kyrgyzstan with the supplementation of generic definition and the description of the first instar larva Author Stryczek, Beata 0009-0005-4460-5700 University of Wrocław, Faculty of Biological Sciences, Department of Invertebrate Biology, Evolution and Conservation, Przybyszewskiego 65, 51 - 148 Wrocław, Poland 317366@uwr.edu.pl Author Smolis, Adrian University of Wrocław, Faculty of Biological Sciences, Department of Invertebrate Biology, Evolution and Conservation, Przybyszewskiego 65, 51 - 148 Wrocław, Poland text Zootaxa 2024 2024-08-06 5492 3 421 430 http://dx.doi.org/10.11646/zootaxa.5492.3.8 journal article 10.11646/zootaxa.5492.3.8 1175-5326 13234985 CB539C52-9416-450D-AF15-70092ADB602B Genus Pseudachorutella Stach, 1949 Pseudachorutella Stach, 1949: 79 . Type species: Pseudachorutes asigillatus Börner, 1901 , by subsequent designation by Stach 1949: 80 . New diagnosis. Colour in alive bluish grey, blue violet or dark blue. Pseudachorutinae of medium to large size, length of adults usually more than 1 mm . Postantennal organ (PAO) absent. 8+8 dark pigmented eyes. Dorsal tubercles or reticulations absent. Ant. III and IV fused dorsally, sensorial equipment of dorsal side of Ant. IV with 6–8 cylindrical sensilla S. Ms of Ant. IV developed as microsensillum. Ventral side of ant. III usually with numerous modified setae (ventral “file”). Buccal cone usually elongated, line of labial setae C–D parallel to A–B. Moth part present but reduced: maxilla usually styliform and with or without apical hook/hooks, mandible slender or rarely strong, with 2–8 teeth. Dens with 5–7 setae, mucro present or rarely absent. Male organ present or absent. Tibiotarsi without or rarely with capitate setae. Claw with inner tooth or teeth, sometimes lateral teeth also present. Empodial appendage absent. Remarks . Since, the new species described here has distinct and unknown characters within the genus, we decided to modify its diagnosis.