taxonID	type	description	language	source
1D538793FFB6157BFCF0967B08EFFC4D.taxon	materials_examined	MATERIAL EXAMINED. 11: 23. VII. 2018, 1 ex.; 25: 17 – 18. V. 2020, 2 ex. (S. - V. Dragan).	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB6157BFC0296EA0FB6FBFA.taxon	materials_examined	MATERIAL EXAMINED. 27: 7. IХ. 2004, 7 ex. (S. - V. Dragan).	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB6157BFCFA91650FB6FB6B.taxon	materials_examined	MATERIAL EXAMINED. 27: 7. IХ. 2004, 2 ex. (S. - V. Dragan).	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB6157BFCF891970FB6FB18.taxon	materials_examined	MATERIAL EXAMINED. 3: 1 – 14. VII. 2006, 1 ex. (S. - V. Dragan).	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB6157BFC09900609F3FAB3.taxon	materials_examined	MATERIAL EXAMINED. 23: 1. Х. 2006, 1 ex. (S. - V. Dragan).	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB6157BFCFF90910800F9E7.taxon	materials_examined	MATERIAL EXAMINED. 6: 24. VII. 2018, 5 ex.; 24: 7. VIII. 2019, 1 ex. (S. - V. Dragan).	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB6157BFCE193030943F9B1.taxon	materials_examined	MATERIAL EXAMINED. 14: 22. VII. 2018, 9 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB6157BFCE593590931F919.taxon	materials_examined	MATERIAL EXAMINED. 16: 21. VII. 2018, 1 ex.; 15: 21. VII. 2018, 2 ex.; 13: 22. VII. 2018, 6 ex.; 11: 23. VII. 2018, 2 ex.; 9: 24. VII. 2018, 1 ex.; 7: 24. VII. 2018, 5 ex.; 24: 7. VIII. 2019, 2 ex. (S. - V. Dragan); 25: 5. VII. 2019, 1 ex. (S. - V. Dragan).	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB6157BFCF392060943F82F.taxon	materials_examined	MATERIAL EXAMINED. 14: 22. VII. 2018, 2 ex. Семейство Noteridae	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB6157BFCF392060943F82F.taxon	description	* Noterus clavicornis (De Geer, 1774)	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB6157BFCF392060943F82F.taxon	materials_examined	MATERIAL EXAMINED. 15: 21. VII. 2018, 8 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB51579FCF0940A0D2DFE9D.taxon	materials_examined	MATERIAL EXAMINED. 29: 26. VI. 2007, 2 ex.; 30: 26. VII. 2007, 2 ex. * Ilybius balkei Fery et Nilsson, 1993 MATERIAL EXAMINED. 28: 25. VII. 2007, 1 ex. (S. - V. Dragan).	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB41579FC2297930F94FCE5.taxon	materials_examined	MATERIAL EXAMINED. 13: 22. VII. 2018, 4 ex.; 11: 23. VII. 2018, 2 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB41579FC3B96020F1AFC19.taxon	materials_examined	MATERIAL EXAMINED. 16: 21. VII. 2018, 1 ex.; 13: 22. VII. 2018, 4 ex. * Graphoderus austriacus Sturm, 1834 MATERIAL EXAMINED. 16: 21. VII. 2018, 4 ex.; 15: 21. VII. 2018, 1 ex.; 13: 22. VII. 2018, 15 ex.; 11: 23. VII. 2018, 3 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB41579FE9A96950D1DFB94.taxon	materials_examined	MATERIAL EXAMINED. 13: 22. VII. 2018, 4 ex.; 25: 29 – 30. VI. 2019, 1 ex. (S. - V. Dragan). Rhantus bistriatus Bergsträsser, 1777 MATERIAL EXAMINED. 25: 7 – 8. VII. 2019, 1 ex. (S. - V. Dragan).	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB41579FC0191060941FB94.taxon	description	Figs 4 – 5.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB41579FC0191060941FB94.taxon	materials_examined	MATERIAL EXAMINED. 11: 23. VII. 2018, 1 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB41579FCC591B30943FB2E.taxon	materials_examined	MATERIAL EXAMINED. 16: 21. VII. 2018, 1 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB41579FF5C94BA0D2DFDEF.taxon	materials_examined	MATERIAL EXAMINED. 25: 29 – 30. VI. 2019, 1 ex. (S. - V. Dragan).	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB41579FEC397080E2BFC6A.taxon	materials_examined	MATERIAL EXAMINED. 25: 11 – 12. VII. 2019, 1 ex. (S. - V. Dragan); 25: 12 – 13. VII. 2020, 1 ex. (S. - V. Dragan). * Ilybius subaeneus Erichson, 1837 MATERIAL EXAMINED. 11: 23. VII. 2018, 1 ex.; 9: 24. VII. 2018, 1 ex.; 25: 17. VIII. 2018, 1 ex. (S. - V. Dragan); 25: 4 – 5. VII. 2019, 1 ex. (S. - V. Dragan); 25: 11 – 23. VIII. 2019, 2 ex. (S. - V. Dragan).	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB41579FEC397080E2BFC6A.taxon	description	* Platambus maculatus Linnaeus, 1758	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB41579FEC397080E2BFC6A.taxon	materials_examined	MATERIAL EXAMINED. 1: 1. VII. 2001, 2 ex. (S. - V. Dragan); 26: 1. VII. 2002, 2 ex. (S. - V. Dragan).	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB41579FEAC91B30EBCFB2E.taxon	materials_examined	MATERIAL EXAMINED. 11: 23. VII. 2018, 8 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB41579FC4394D50F94FD74.taxon	materials_examined	MATERIAL EXAMINED. 10: 23. VII. 2018, 2 ex. Rhantus notaticollis (Aube, 1837) MATERIAL EXAMINED. 13: 22. VII. 2018, 1 ex.; 11: 23. VII. 2018, 3 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB3157EFE99940A0C92FE9D.taxon	materials_examined	MATERIAL EXAMINED. 19: 3. X. 2014, 1 ex. (S. - V. Dragan).	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB3157EFF5C94BA0D2DFDA7.taxon	materials_examined	MATERIAL EXAMINED. 13: 22. VII. 2018, 1 ex. * Dytiscus marginalis marginalis Linnaeus, 1758 MATERIAL EXAMINED. 21: 1. VI. 2012, 1 ex. (S. - V. Dragan).	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB3157EFE9D915E0D13FB2E.taxon	materials_examined	MATERIAL EXAMINED. 16: 21. VII. 2018, 1 ex.; 15: 21. VII. 2018, 1 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB3157EFEB997400EBCFD71.taxon	materials_examined	MATERIAL EXAMINED. 11: 23. VII. 2018, 1 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB3157EFE85979E0E7BFCDA.taxon	materials_examined	MATERIAL EXAMINED. 15: 21. VII. 2018, 7 ex.; 12: 23. VII. 2018, 2 ex.; 11: 23. VII. 2018, 1 ex.; 10: 23. VII. 2018, 3 ex.; 8: 24. VII. 2018, 7 ex.; 18: 24. VIII. 2019, 1 ex.; 25: 17. VII. 2020, 1 ex. (S. - V. Dragan).	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB3157EFE9C96F50EBEFBE4.taxon	materials_examined	MATERIAL EXAMINED. 10: 23. VII. 2018, 3 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB3157EFE9591030EBEFBB1.taxon	materials_examined	MATERIAL EXAMINED. 15: 21. VII. 2018, 1 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB3157EFCDA940A087DFE9B.taxon	materials_examined	MATERIAL EXAMINED. 17: 21. VII. 2018, 4 ex.; 8: 24. VII. 2018, 112 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB3157EFCC194870888FE16.taxon	materials_examined	MATERIAL EXAMINED. 25: 6 – 7. VII. 2019, 1 ex. (S. - V. Dragan); 25: 6. VII. 2020, 1 ex. (S. - V. Dragan).	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB3157EFC0797330FB6FD64.taxon	materials_examined	MATERIAL EXAMINED. 25: 19. VIII. 2019, 1 ex. (S. - V. Dragan).	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB3157EFCDE97820F1AFCF6.taxon	materials_examined	MATERIAL EXAMINED. 16: 21. VII. 2018, 1 ex.; 15: 21. VII. 2018, 8 ex.; 12: 23. VII. 2018, 1 ex.; 11: 23. VII. 2018, 1 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB3157EFCC596130934FC60.taxon	materials_examined	MATERIAL EXAMINED. 10: 23. VII. 2018, 40 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB3157EFCC596890940FC38.taxon	materials_examined	MATERIAL EXAMINED. 15: 21. VII. 2018, 3 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB3157EFCC091260940FBB2.taxon	materials_examined	MATERIAL EXAMINED. 10: 23. VII. 2018, 2 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB3157EFC27915C094EFB21.taxon	materials_examined	MATERIAL EXAMINED. 14: 22. VII. 2018, 1 ex. (S. - V. Dragan); 31: 6. VII. 2007, 4 ex. (S. - V. Dragan).	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB3157EFE9296450D6EFC4A.taxon	materials_examined	MATERIAL EXAMINED. 31: 6. VII. 2007, 1 ex. (S. - V. Dragan).	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB2157FFF7C97740E4FFCCE.taxon	materials_examined	MATERIAL EXAMINED. 10: 23. VII. 2018, 16 ex.; 9: 24. VII. 2018, 1 ex.; 25: 4 – 5. VII. 2019, 1 ex. (S. - V. Dragan); 25: 6 – 7. VII. 2019, 1 ex. (S. - V. Dragan); 25: 7 – 8. VII. 2019, 1 ex. (S. - V. Dragan); 25: 20 - 21. V. 2020, 1 ex. (S. - V. Dragan); 25: 19 – 20. VI. 2020, 2 ex. (S. - V. Dragan); 25: 6. VII. 2020, 1 ex. (S. - V. Dragan); 25: 12 – 13. VII. 2020, 1 ex. (S. - V. Dragan); 25: 17 – 18. VIII. 2020, 1 ex. (S. - V. Dragan).	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB2157FFE8196680EB9FC37.taxon	materials_examined	MATERIAL EXAMINED. 12: 23. VII. 2018, 5 ex.; 10: 23. VII. 2018, 1 ex.; 25: 4 – 5. VII. 2019, 1 ex. (S. - V. Dragan); 25: 7 – 8. VII. 2019, 3 ex. (S. - V. Dragan); 25: 13 – 14. V. 2020, 1 ex. (S. - V. Dragan); 25: 06. VII. 2020, 1 ex. (S. - V. Dragan).	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB2157FFCED97870F1AFCEC.taxon	materials_examined	MATERIAL EXAMINED. 16: 21. VII. 2018, 2 ex.; 12: 23. VII. 2018, 2 ex.; 10: 23. VII. 2018, 4 ex.; 7: 24. VII. 2018, 2 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB2157FFCBF960B0F94FC9D.taxon	materials_examined	MATERIAL EXAMINED. 9: 24. VII. 2018, 3 ex.; 7: 24. VII. 2018, 2 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB2157FFCC1968508ABFC0B.taxon	materials_examined	MATERIAL EXAMINED. 13: 22. VII. 2018, 2 ex.; 11: 23. VII. 2018, 1 ex.; 10: 23. VII. 2018, 71 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB2157FFCDE91370F88FB53.taxon	materials_examined	MATERIAL EXAMINED. 10: 23. VII. 2018, 3 ex. * Enochrus (Methydrus) affinis (Thunberg, 1794) MATERIAL EXAMINED. 13: 22. VII. 2018, 9 ex.; 10: 23. VII. 2018, 12 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB2157FFC22940A0943FE87.taxon	materials_examined	MATERIAL EXAMINED. 10: 23. VII. 2018, 3 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB2157FFC3194A3095BFE35.taxon	materials_examined	MATERIAL EXAMINED. 5: 1. VI. 2016, 1 ex. (S. - V. Dragan); 13: 22. VII. 2018, 1 ex.; 10: 23. VII. 2018, 1 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB2157FFCCC94D20F94FD9B.taxon	materials_examined	MATERIAL EXAMINED. 2: 1. VIII. 2009, 1 ex. (S. - V. Dragan); 16: 21. VII. 2018, 1 ex.; 13: 22. VII. 2018, 1 ex.; 11: 23. VII. 2018, 1 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB2157FFF7196D20E33FB7A.taxon	materials_examined	MATERIAL EXAMINED. 11: 24. VII. 2018, 1 ex. * Laccobius (Laccobius) minutus Linnaeus, 1758 MATERIAL EXAMINED. 31: 6. VII. 2007, 1 ex.; 13: 22. VII. 2018, 3 ex.; 11: 23. VII. 2018, 3 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB2157FFE98940A0F6EFE7E.taxon	materials_examined	MATERIAL EXAMINED. 31: 6. VII. 2007, 2 ex. (S. - V. Dragan); 16: 21. VII. 2018, 15 ex.; 15: 21. VII. 2018, 1 ex.; 13: 22. VII. 2018, 1 ex.; 9: 24. VII. 2018, 1 ex.; 7: 24. VII. 2018, 3 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB2157FFEB3949B0E03FDCA.taxon	materials_examined	MATERIAL EXAMINED. 13: 22. VII. 2018, 1 ex. Семейство Hydrophilidae	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB1157CFF5094FF0EBEFDED.taxon	materials_examined	MATERIAL EXAMINED. 13: 22. VII. 2018, 1 ex.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB1157CFF77970A0EF0FC28.taxon	materials_examined	MATERIAL EXAMINED. 13: 22. VII. 2018, 2 ex.; 12: 23. VII. 2018, 3 ex.; 10: 23. VII. 2018, 9 ex. Thus, a total of 67 species of water beetles are known for the Khakassia Republic, 51 species оf water beetles are recorded for the first time. This list is very preliminary and in the future we should expect to find much more species in the republic. Acknowledgements. I am grateful to S. V. Dragan (Abakan, Russia), for material provided, and A. A. Prokin and A. S. Sazhnev (Borok, Russia) for checking the identification of Ilybius fuliginosus fuliginosus, Graphoderus bilineatus, Laccophilus poecilus, and Helochares obscurus.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB1157CFEA5940A0E9DFE50.taxon	description	Figs 6 – 7.	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
1D538793FFB1157CFEA5940A0E9DFE50.taxon	materials_examined	MATERIAL EXAMINED. 13: 22. VII. 2018, 4 ex.; 10: 23. VII. 2018, 1 ex.; 20: 23. IX. 2018, 1 ex. (S. - V. Dragan).	en	Kuzhuget, Ch. N. (2025): Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae. Russian Entomological Journal 34 (1): 64-70, DOI: 10.15298/rusentj.34.1.05, URL: https://doi.org/10.15298/rusentj.34.1.05
