Alona werestschagini Sinev 1999

• Main Authors: Sinev, Artem Y., Garibian, Petr G., Kirova, Nadezhda А., Neplyukhina, Alisa A.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2021
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Branchiopoda; Diplostraca; Chydoridae; Alona; Alona werestschagini; Kola Peninsula; Chiang; Kirova; Kivak; Chukotka; karelia*; kola peninsula; Tundra
• Online Access: https://zenodo.org/record/5729628; https://doi.org/10.5281/zenodo.5729628

Alona werestschagini Sinev, 1999 (Figs. 1-4) Smirnov, 1971: 380, Figs. 450-451 (guttata guttata partum); Chiang, 1963a: Plate VI: Fig. 39–40 (Alonella rostrata); Chiang & Du, 1979: 227, Fig. 155A–D (pulchella); Sinev, 1999: 23–30, Fig. 1–4; Sinev, 2002: 938, Fig. 1 л, 3и,с, 4и, 5д,л; Sarmaja- Karjonen & Sinev, 2008: 44–46, Fig. 2A–F; Kotov et al., 2010: 247, Fig. 141: 12–14; Korovchinsky et al., 2021b: 288–289, Fig. 85: 10–14. Material studied here: Russia: 10 parthenogenetic females from Karelia Republic, Kem’ District, small lake in Letnyaya River floodplain, N 65.10323°, E 33,88282°, 16.08.2020, coll. P.G. Garibian, AAK M-5985; 12 parthenogenetic females, 5 males from Tyva Republic, 18.09.2020, groundwater-fed flow-through pond in Hjut River floodplain, N 52.653925°, E 94.547988°, coll. N. A. Kirova; 2 parthenogenetic females, 8 ephippial females, 5 males from Chukotka Autonomous Area, Providenskii District, small tundra lake near Kivak settlement, 7.09.2015, N 64.26075°, E 172.9531°, coll. E. Kuzmicheva, D. Vasyukov, AAK M-5844. Mongolia: 1 parthenogenetic female from Tuv Aimag, Ugii lake, N 47.75037°, E 102.7697°, 9.07.2005, coll. Ch. Jersabek, AAK 2008-005; 4 parthenogenetic females from a shallow pool in the basin of Khovsgol lake, N 51,28761°, E 100,8277°, 28.07.2005 coll. Ch. Jersabek, AAK 2008-014. Material studied earlier: see Sinev (1999, 2002) for the list of material from, Kyrgyzstan, Tien Shan, and Russia (Altai Mountains, Komi Republic and Kola Peninsula). Description. Parthenogenetic female. General. Body (Fig. 1A) oval in lateral view, strongly compressed laterally, of moderate height, maximum height at middle of the body; in adults height/length ratio 0.67–0.70. Dorsal margin uniformly curved; postero-dorsal and postero-ventral angles broadly rounded; posterior margin uniformly curved; ventral margin almost straight; antero-ventral angle rounded. Body moderately compressed laterally. Valves with weakly developed longitudinal lines. Ventral margin (Fig. 1B) with 40–50 setae; anterior ...