Hydraena (Hydraena) pulchella Germar, 1824

Sazhnev, A. S., Prokin, A. A., Komarova, A. S. & Philippov, D. A., 2022, New records of aquatic and riparian beetles (Coleoptera) for the fauna of the Vologda Oblast (Russia), Russian Entomological Journal 31 (2), pp. 132-139 : 135

* Hydraena (Hydraena) pulchella Germar, 1824

Figs 12–13 .

MATERIAL. Tarnogsky distr. : 4 km SE of Krasnoe rural locality, near Aksenovskaya abandoned built-up area, Uftyuga Riv- er, 60°29´44´´N 43°17´28´´E, in the riverbed near the water´s edge (depth 0.1–0.5 m, current velocity 0.01–0.1 m /s, pH=7.7, clay bottom), 18.VII.2020, 1 ex., DP, AK. Vozhegodsky distr.: 3 km W of Bukhara vill., Chuzhga River, 60°32´53´´N 39°43´09´´E, shore of the river (depth 0.1–0.5 m, current velocity 0.01–0.3 m /s, pH=8.3, TDS=62 ppm, sandy-rocky bottom), 9.VII.2020, 1 ex., DP .

Figures

Figs 10–13. Hydraena spp.: 10–11 — Hydraena britteni; 12–13 — H. pulchella; 10, 12 — habitus; 11, 13 — aedeagus, lateral view. Scale bar: for 10, 12 — 1.0 mm; for 11, 13 — 0.3 mm. Рис. 10–13. Hydraena spp.: 10–11 — Hydraena britteni; 12–13 — H. pulchella; 10, 12 — габитус; 11, 13 — Эдеагус, сбоку. МасШтаб: длЯ рис. 10, 12 — 1.0 мм; длЯ рис. 11, 13 — 0.3 мм.