Folsomia uniparis Potapov & Gulgenova, 2013, sp. nov.

• Main Authors: Potapov, Mikhail, Gulgenova, Ayuna
• Format: Other/Unknown Material
• Language: unknown
• Published: 2013
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Entognatha; Collembola; Isotomidae; Folsomia; Folsomia uniparis; taiga; Siberia
• Online Access: https://zenodo.org/record/6156950; https://doi.org/10.5281/zenodo.6156950

Folsomia uniparis sp. nov. Figs 31, 33 Type material. Holotype: female. Russia (East Siberia), Buryat Republic, Valley of Uda River, near Khorinsk (ca 150 km N Ulan-Ude), dry pine wood with sparse vegetation covering, flotation of sand, 16.viii. 2008 and 3.viii. 2009, 3 paratypes from the same locality, leg. A. Gulgenova & M. Potapov. Holotype and 3 paratypes in MSPU. Other material. Buryat Republic, Dzerginsky Nature Reserve, vicinities of station ' 81 km' (upper flow of Barguzin River), 1058 m alt., N 55.35563 E 111.48312, high sandy river bank with sparse vegetation, flotation of sand, 10.ix. 2012. leg. A. Gulgenova & M. Potapov; Vitim Highland, Eravna Basin, steppe with Kobresia, Artemisia, and Festuca valesiaca on chernozem soil, near Komsomol’skoe (160 km NE Ulan-Ude), ca. 950 m alt., 27.ix. 2009, leg. A. Gulgenova. Irkutsk Area, west shore of Baikal Lake, nearby Bol'shoye Goloustnoye, taiga forest, viii. 1990, leg. M.Kalinin. Description. Body size about 0.4 mm. Body without pigmentation, slender (Fig. 31). Cuticle with weak hexagonal primary granulation ("smooth"). Ocelli lacking. PAO narrowly elliptical, not constricted, 0.9–1.2 as long as width of Ant I and 1.7–2.2 as long as inner unguis length. Maxillary outer lobe with 4 sublobal hairs, maxillary palp simple. Labral formula as 3 /5,5,4. Labium with 5 papillae (А–Е), guard chaetae e 7 absent, 3 proximal and 4 basomedian chaetae. Ventral side of a head with 4 + 4 chaetae. Ant.I with 2 ventral sensilla (s) and 2 small basal microsensilla (bms), dorsal and ventral, the former set together with long chaeta-form microsensillum, Ant.II with 3 bms and 1 latero-distal s, Ant.III without bms and with 5 distal s (including 1 lateral), without additional sensilla. Sensilla on Ant. 4 weakly differentiated. Organite small. Sensillary formula as 4,3 /2,2,2,3,5 (s), 1,0/1,0,0 (ms) (Fig. 31). Tergal sensilla as long as common chaetae and hardly distinguishable. Medial sensilla on Th.II–Abd.III situated in mid-tergal position, on Abd.I–III between ...