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Aquatic beetles (Coleoptera) of the Polessky state radiation ecological reserve (Belarus)

Abstract

Studies of aquatic beetles (COLEOPTERA) were conducted in the spring and autumn between 1995, 2000 and 2024. Sampling was carried out using a standard hydrobiological net (25 × 25 cm, 500 µm) in the coastal areas of water bodies at depths of up to 0.5–0.7 m. Manual sampling was also conducted from rocks and other submerged objects in the coastal areas of water bodies. Samples were preserved in 70% ethyl alcohol, followed by analysis and identification of the animals in the laboratory. In the reservoirs of the Polesie State Radioecological Reserve, 106 species of aquatic beetles belonging to 9 families were identified: Haliplidae – 9, Noteridae – 2, Dytiscidae – 69, Gyrinidae – 7, Helophoridae – 3, Hydrochidae – 2, Hydrophilidae – 11, Hydraenidae – 2, Spercheidae – 1. An important system–forming role belongs to ponds and temporary reservoirs. A total of 66.7 % of all identified beetle species were found in these reservoirs. Their greatest numbers were also noted here – 46.67 % of all collected animals. A smaller number of species and their numbers were noted in large stagnant water bodies (lakes, quarries), rivers and canals. Among the identified aquatic beetles, the find of Graphoderes bilineatus (De Geer, 1774) should be noted. This species is protected in Belarus and is also included in the European Red List. Among the collected beetles in the reservoirs of the reserve, 21 species were protected and included in the Red Lists of a number of European countries. Haliplus laminatus (Shaller, 1783), Agabus bifarius (Kirby, 1937) and Gyrinus suffriani Scriba, 1855 were rare species in both Belarus and Europe. The distribution of these species has not yet been sufficiently studied. It was concluded that the fauna of the studied beetles in the reservoirs of the Polesie State Radiation and Ecological Reserve is relatively rich and is represented by rare and protected animal species not only in Belarus but also in Europe.

About the Authors

V. M. Baitchorov
Scientific and Practical Center of the National Academy of Sciences of Belarus for Bioresources
Беларусь

Minsk 



M.  D. Moroz
Scientific and Practical Center of the National Academy of Sciences of Belarus for Bioresources
Беларусь

Minsk 



U. G. Hihiniak
Scientific and Practical Center of the National Academy of Sciences of Belarus for Bioresources
Беларусь

Minsk 



A. А. Kulikova
Scientific and Practical Center of the National Academy of Sciences of Belarus for Bioresources
Беларусь

Minsk 



A. V. Iniutsina
Scientific and Practical Center of the National Academy of Sciences of Belarus for Bioresources
Беларусь

Minsk 



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For citations:


Baitchorov V.M., Moroz M.D., Hihiniak U.G., Kulikova A.А., Iniutsina A.V. Aquatic beetles (Coleoptera) of the Polessky state radiation ecological reserve (Belarus). Natural resources. 2025;(2):16-21. (In Russ.)

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ISSN 1810-9810 (Print)