Narynia andreevae Martynova

Huang, Cheng-Wang, Potapov, Mikhail & Gao, Yan, 2010, Taxonomy of the Proisotoma complex. III. A revision of the genus Narynia (Collembola: Isotomidae) with a description of a new species from China, Zootaxa 2410, pp. 45-52 : 49

Narynia andreevae Martynova in Martynova & Tshelnokov, 1975

Figs 2 , 7 , 10–14 .

Material. Holotype and two paratypes, Tajikistan, West Pamir, Khorog, western slope of Shugnanskiy Range, 3600 m alt., litter under wormwood, 27.V.1969, leg. Andreeva ( ZIN).

Additions to description. Ant.2 with 3 bms, Ant.3 with one bms and 5 sensilla (including one lateral). Ventral side of a head with 3+3 postlabial chaetae. Axial chaetae on Th. II 7–8, on Th. III 5–6, on Abd. I–III 3– 4 (each segment). Macrochaetae 11/2224. Tergal macrosensilla much shorter than ordinary chaetae. Macrosensilla on Abd.I–III located between Mdl and Ml ( Fig. 7 ). Abd.V with medial sensilla 1.5–2.0 longer than lateral sensilla ( Fig. 10 ), position variable ( Figs 11–14 ). Sternum of Th.III with 1–2+1–2 chaetae. Ti.1–3 with 21, 21, 24 chaetae respectively. Ventral tube with 3+3 laterodistal and 4 caudal chaetae. Tenaculum with 3+3 teeth and one chaeta. Dens with one anterior subapical chaeta (sometimes absent), one anteriolateral chaeta and 4 posterior chaetae ( Fig. 2 ).

Remarks. The species is most similar to N. luanae sp.n. (see the key to species below).

Distribution. Known from Western and Eastern Pamir ( Tajikistan).

Figures

FIGURES 1 – 4. Narynia spp.: 1, Abd. VI of Narynia setosa, ventral view; 2 – 4, posterior side of furca of Narynia andreevae (2), Narynia kolimiensis (3), and Narynia setosa (4).

FIGURES 5 – 7. Sensillar chaetotaxy of Narynia: 5, Narynia setosa; 6, Narynia kolimiensis, 7, Narynia andreevae.

FIGURES 8 – 14. Dorsal chaetotaxy of Abd. V of Narynia: 8, Narynia kolimiensis; 9, Narynia setosa; 10 – 14, Narynia andreevae, variation (11 – 14).