Arrhopalites potapovi Vargovitsh, 2015, sp. nov.

• Main Author: Vargovitsh, Robert S.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2015
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Entognatha; Collembola; Arrhopalitidae; Arrhopalites; Arrhopalites potapovi; Seta; Juv; Slyudyanka; taiga
• Online Access: https://zenodo.org/record/5688563; https://doi.org/10.5281/zenodo.5688563

Arrhopalites potapovi sp. nov. Figs 1–35, Table 1. Diagnosis. Body length up to 0.88 mm. White or very slightly pigmented with reddish spots. Trichobothria ABC form right angle and AB = 2 BC. Antenna about 1.3 × of head length; Ant IV not subdivided or with about 5 pseudosubsegments, with 12 whorls of setae. Head dorsum with 13 spine-like setae. All claws with inner tooth, claws II and III usually with weak tunica. Tip of empodium I–II reaching tip of corresponding claw, empodia I and II with normal and III with reduced or rarely normal corner tooth. Tenaculum with 1 seta. Manubrium with 5 + 5 setae; dens with 3, 2, 1, 1, 1 thick anterior setae, Ia moderately spine-like; posterior side with 8 spine-like setae, seta Vpe absent. Tip of mucro swollen. Circumanal setae long, broad, lamellate and basally serrated; cuticular spines of Abd VI strongly differentiated; appendices anales spatulate, apically serrated. Type material. Holotype on slide “ 20 R(5)”: female, 55.47217 o N, 109.11945 o E, 702 m alt., Buryat Republic, ~ 25 km SW Severobaykalsk, near Slyudyanskoye Lake, steep SE slope, near former micaceous mine, pine forest with cowberry, under looser bark of dead pine-tree, 19.viii. 2013, leg. Potapov M. and Gulgenova Ay. (point “ 20 R” on Fig. 23). Paratypes: Nine females and 1 juv. on slides and 9 specimens in alcohol, same data as in holotype. Holotype and 7 paratypes are deposited in the collection of the Schmalhausen Institute of Zoology, National Academy of Sciences of Ukraine, Kiev. Two paratypes are deposited in the collection of Moscow Pedagogical State University, Moscow. Other material. Five females on slides and 8 specimens in alcohol: Irkutsk Oblast, W Khamar-Daban Range, Slyudyanka River, taiga belt, mixed forest, under loose bark of tree, 753 m alt., 29.viii. 2008, leg. Potapov M. (point “ 45 R” on Fig. 23). Description. Female: Body length 0.6–0.8 mm, habitus as in Fig. 24. Pigmentation varies: a) totally unpigmented (most specimens); b) only eyes slightly pigmented; c) eyes, head dorsum and ...