taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
803F87FDC02FFFCAFD89A96FFB6B9A10.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857787/files/figure.png	https://doi.org/10.5281/zenodo.3857787	Fig. 6. Aedeagus, ventral view. A. Stenus (Nestus) delitor sp. nov. (holotype). B. S. (N.) sphaerops Casey, 1884 (U.S.A.: New York: Albany Co.). – Scales = 0.1 mm.	Fig. 6. Aedeagus, ventral view. A. Stenus (Nestus) delitor sp. nov. (holotype). B. S. (N.) sphaerops Casey, 1884 (U.S.A.: New York: Albany Co.). – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC02FFFCAFD89A96FFB6B9A10.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857789/files/figure.png	https://doi.org/10.5281/zenodo.3857789	Fig. 7. ♂ copulative structures. A–I, K: Aedeagus, ventral view. J: Abdominal sternite 9. A. Stenus (Nestus) delitor sp. nov. (holotype). B. S. (N.) illusor Ryvkin, 1987 (Russia: Amur Area: Angelokit River). C–H: S. (N.) latipennis J. Sahlberg, 1880. C. (Russia: SW Taimyr: Ladannakh Lake). D. (Russia: Taimyr: Kotuy River). E. (Russia: Putorana: Ayan Lake). F–G. (Russia: Evenkia: Kruten’kiy Stream). H. (Russia: Magadan Area: ‘Aborigen’). I–J. S. (N.) sphaerops Casey, 1884 (U.S.A.: New York: Albany Co.). K. S. (N.) melanopus Marsham, 1802 (Ukraine: Odessa Area: Krinichnoye). – Scales = 0.1 mm.	Fig. 7. ♂ copulative structures. A–I, K: Aedeagus, ventral view. J: Abdominal sternite 9. A. Stenus (Nestus) delitor sp. nov. (holotype). B. S. (N.) illusor Ryvkin, 1987 (Russia: Amur Area: Angelokit River). C–H: S. (N.) latipennis J. Sahlberg, 1880. C. (Russia: SW Taimyr: Ladannakh Lake). D. (Russia: Taimyr: Kotuy River). E. (Russia: Putorana: Ayan Lake). F–G. (Russia: Evenkia: Kruten’kiy Stream). H. (Russia: Magadan Area: ‘Aborigen’). I–J. S. (N.) sphaerops Casey, 1884 (U.S.A.: New York: Albany Co.). K. S. (N.) melanopus Marsham, 1802 (Ukraine: Odessa Area: Krinichnoye). – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC02FFFCAFD89A96FFB6B9A10.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857779/files/figure.png	https://doi.org/10.5281/zenodo.3857779	Fig. 2. – A–B: Stenus (Nestus) raddei Ryvkin, 1987: ♂ (Russia: Magadan Area: Sibit-Tyhellakh). A. Aedeagus, ventral view. B. Apical part of aedeagus, ventral view. – C–D: S. (N.) illotulus Puthz, 1972: ♂ (Russia: Amur Area: Zeyskiy Nature Reserve). C. Aedeagus, ventral view. D. Apical part of aedeagus, ventral view. Right paramere removed. – E. S. (N.) confusus J. Sahlberg, 1876: ♂ (Russia: Kalinin Area: Putilovo). Aedeagus, ventral view. – Scales = 0.1 mm.	Fig. 2. – A–B: Stenus (Nestus) raddei Ryvkin, 1987: ♂ (Russia: Magadan Area: Sibit-Tyhellakh). A. Aedeagus, ventral view. B. Apical part of aedeagus, ventral view. – C–D: S. (N.) illotulus Puthz, 1972: ♂ (Russia: Amur Area: Zeyskiy Nature Reserve). C. Aedeagus, ventral view. D. Apical part of aedeagus, ventral view. Right paramere removed. – E. S. (N.) confusus J. Sahlberg, 1876: ♂ (Russia: Kalinin Area: Putilovo). Aedeagus, ventral view. – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC02BFFC7FD97AFE6FB40995E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857777/files/figure.png	https://doi.org/10.5281/zenodo.3857777	Fig. 1. – A–D: Stenus (Nestus) nitens Stephens, 1833: ♂ genitalia, ventral view. A–B: (Russia: Moscow Area: Gorenki). C–D: (Russia: Evenkia: Stolbovaya River). A, C. Aedeagus. B, D. Apical part of median lobe. – E. S. (N.) labilis Erichson, 1840: ♂ (Russia: S Yamal: nr. Salekhard). Aedeagus, ventral view. – Scales = 0.1 mm.	Fig. 1. – A–D: Stenus (Nestus) nitens Stephens, 1833: ♂ genitalia, ventral view. A–B: (Russia: Moscow Area: Gorenki). C–D: (Russia: Evenkia: Stolbovaya River). A, C. Aedeagus. B, D. Apical part of median lobe. – E. S. (N.) labilis Erichson, 1840: ♂ (Russia: S Yamal: nr. Salekhard). Aedeagus, ventral view. – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC026FFC6FD94ACFEFAA29D37.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857777/files/figure.png	https://doi.org/10.5281/zenodo.3857777	Fig. 1. – A–D: Stenus (Nestus) nitens Stephens, 1833: ♂ genitalia, ventral view. A–B: (Russia: Moscow Area: Gorenki). C–D: (Russia: Evenkia: Stolbovaya River). A, C. Aedeagus. B, D. Apical part of median lobe. – E. S. (N.) labilis Erichson, 1840: ♂ (Russia: S Yamal: nr. Salekhard). Aedeagus, ventral view. – Scales = 0.1 mm.	Fig. 1. – A–D: Stenus (Nestus) nitens Stephens, 1833: ♂ genitalia, ventral view. A–B: (Russia: Moscow Area: Gorenki). C–D: (Russia: Evenkia: Stolbovaya River). A, C. Aedeagus. B, D. Apical part of median lobe. – E. S. (N.) labilis Erichson, 1840: ♂ (Russia: S Yamal: nr. Salekhard). Aedeagus, ventral view. – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC027FFC2FD9FA818FE609C64.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857779/files/figure.png	https://doi.org/10.5281/zenodo.3857779	Fig. 2. – A–B: Stenus (Nestus) raddei Ryvkin, 1987: ♂ (Russia: Magadan Area: Sibit-Tyhellakh). A. Aedeagus, ventral view. B. Apical part of aedeagus, ventral view. – C–D: S. (N.) illotulus Puthz, 1972: ♂ (Russia: Amur Area: Zeyskiy Nature Reserve). C. Aedeagus, ventral view. D. Apical part of aedeagus, ventral view. Right paramere removed. – E. S. (N.) confusus J. Sahlberg, 1876: ♂ (Russia: Kalinin Area: Putilovo). Aedeagus, ventral view. – Scales = 0.1 mm.	Fig. 2. – A–B: Stenus (Nestus) raddei Ryvkin, 1987: ♂ (Russia: Magadan Area: Sibit-Tyhellakh). A. Aedeagus, ventral view. B. Apical part of aedeagus, ventral view. – C–D: S. (N.) illotulus Puthz, 1972: ♂ (Russia: Amur Area: Zeyskiy Nature Reserve). C. Aedeagus, ventral view. D. Apical part of aedeagus, ventral view. Right paramere removed. – E. S. (N.) confusus J. Sahlberg, 1876: ♂ (Russia: Kalinin Area: Putilovo). Aedeagus, ventral view. – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC023FFDCFD9DA9E8FE779BFA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857779/files/figure.png	https://doi.org/10.5281/zenodo.3857779	Fig. 2. – A–B: Stenus (Nestus) raddei Ryvkin, 1987: ♂ (Russia: Magadan Area: Sibit-Tyhellakh). A. Aedeagus, ventral view. B. Apical part of aedeagus, ventral view. – C–D: S. (N.) illotulus Puthz, 1972: ♂ (Russia: Amur Area: Zeyskiy Nature Reserve). C. Aedeagus, ventral view. D. Apical part of aedeagus, ventral view. Right paramere removed. – E. S. (N.) confusus J. Sahlberg, 1876: ♂ (Russia: Kalinin Area: Putilovo). Aedeagus, ventral view. – Scales = 0.1 mm.	Fig. 2. – A–B: Stenus (Nestus) raddei Ryvkin, 1987: ♂ (Russia: Magadan Area: Sibit-Tyhellakh). A. Aedeagus, ventral view. B. Apical part of aedeagus, ventral view. – C–D: S. (N.) illotulus Puthz, 1972: ♂ (Russia: Amur Area: Zeyskiy Nature Reserve). C. Aedeagus, ventral view. D. Apical part of aedeagus, ventral view. Right paramere removed. – E. S. (N.) confusus J. Sahlberg, 1876: ♂ (Russia: Kalinin Area: Putilovo). Aedeagus, ventral view. – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC03DFFDFFDE8A95BFAA6995E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857785/files/figure.png	https://doi.org/10.5281/zenodo.3857785	Fig. 5. ♂ copulative structures. A–E: Abdominal sternite 9. A. Stenus (Nestus) latipennis J. Sahlberg, 1880 (Russia: Krasnoyarsk Territory: Mirnoye). B. S. (N.) illusor Ryvkin, 1987 (Russia: Magadan Area: 2 km W of Splavnaya). C. S. (N.) delitor sp. nov. (holotype). D. S. (N.) canosus sp. nov. (holotype). E. S. (N.) canalis sp. nov. (holotype). F. S. (N.) caseyi Puthz, 1972 (U.S.A.: Michigan: Berrien Co.). Aedeagus, ventral view. – Scales = 0.1 mm.	Fig. 5. ♂ copulative structures. A–E: Abdominal sternite 9. A. Stenus (Nestus) latipennis J. Sahlberg, 1880 (Russia: Krasnoyarsk Territory: Mirnoye). B. S. (N.) illusor Ryvkin, 1987 (Russia: Magadan Area: 2 km W of Splavnaya). C. S. (N.) delitor sp. nov. (holotype). D. S. (N.) canosus sp. nov. (holotype). E. S. (N.) canalis sp. nov. (holotype). F. S. (N.) caseyi Puthz, 1972 (U.S.A.: Michigan: Berrien Co.). Aedeagus, ventral view. – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC038FFD4FDA2AC43FE079AFE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857781/files/figure.png	https://doi.org/10.5281/zenodo.3857781	Fig. 3. – A–C: Stenus (Nestus) alopex sp. nov.: ♂. A. Aedeagus, ventral view (holotype). B. Apical part of aedeagus, ventral view (holotype). C. Abdominal sternite 9 (paratype). – D–E: S. (N.) canaliculatus Gyllenhal, 1827: ♂. D. Aedeagus, ventral view (Russia: Rostov Area: Nedvigovka). E. Abdominal sternite 9 (Russia: Taimyr: Maymecha River). – Scales = 0.1 mm.	Fig. 3. – A–C: Stenus (Nestus) alopex sp. nov.: ♂. A. Aedeagus, ventral view (holotype). B. Apical part of aedeagus, ventral view (holotype). C. Abdominal sternite 9 (paratype). – D–E: S. (N.) canaliculatus Gyllenhal, 1827: ♂. D. Aedeagus, ventral view (Russia: Rostov Area: Nedvigovka). E. Abdominal sternite 9 (Russia: Taimyr: Maymecha River). – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC035FFD6FDFFAE5EFA8F9A51.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857781/files/figure.png	https://doi.org/10.5281/zenodo.3857781	Fig. 3. – A–C: Stenus (Nestus) alopex sp. nov.: ♂. A. Aedeagus, ventral view (holotype). B. Apical part of aedeagus, ventral view (holotype). C. Abdominal sternite 9 (paratype). – D–E: S. (N.) canaliculatus Gyllenhal, 1827: ♂. D. Aedeagus, ventral view (Russia: Rostov Area: Nedvigovka). E. Abdominal sternite 9 (Russia: Taimyr: Maymecha River). – Scales = 0.1 mm.	Fig. 3. – A–C: Stenus (Nestus) alopex sp. nov.: ♂. A. Aedeagus, ventral view (holotype). B. Apical part of aedeagus, ventral view (holotype). C. Abdominal sternite 9 (paratype). – D–E: S. (N.) canaliculatus Gyllenhal, 1827: ♂. D. Aedeagus, ventral view (Russia: Rostov Area: Nedvigovka). E. Abdominal sternite 9 (Russia: Taimyr: Maymecha River). – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC037FFD0FDF4AFE6FAA29D89.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857783/files/figure.png	https://doi.org/10.5281/zenodo.3857783	Fig. 4. – A–B: Stenus (Nestus) canosus sp. nov.: ♂ (holotype). A. Aedeagus, ventral view. B. Apical part of aedeagus, ventral view. – C–D: S. (N.) canalis sp. nov.: ♂ (holotype). C. Aedeagus, ventral view. D. Apical part of aedeagus, ventral view. [Note that the difference in shape of the apical lobe compared to that in C is due to the level of magnification.] – Scales = 0.1 mm.	Fig. 4. – A–B: Stenus (Nestus) canosus sp. nov.: ♂ (holotype). A. Aedeagus, ventral view. B. Apical part of aedeagus, ventral view. – C–D: S. (N.) canalis sp. nov.: ♂ (holotype). C. Aedeagus, ventral view. D. Apical part of aedeagus, ventral view. [Note that the difference in shape of the apical lobe compared to that in C is due to the level of magnification.] – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC037FFD0FDF4AFE6FAA29D89.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857785/files/figure.png	https://doi.org/10.5281/zenodo.3857785	Fig. 5. ♂ copulative structures. A–E: Abdominal sternite 9. A. Stenus (Nestus) latipennis J. Sahlberg, 1880 (Russia: Krasnoyarsk Territory: Mirnoye). B. S. (N.) illusor Ryvkin, 1987 (Russia: Magadan Area: 2 km W of Splavnaya). C. S. (N.) delitor sp. nov. (holotype). D. S. (N.) canosus sp. nov. (holotype). E. S. (N.) canalis sp. nov. (holotype). F. S. (N.) caseyi Puthz, 1972 (U.S.A.: Michigan: Berrien Co.). Aedeagus, ventral view. – Scales = 0.1 mm.	Fig. 5. ♂ copulative structures. A–E: Abdominal sternite 9. A. Stenus (Nestus) latipennis J. Sahlberg, 1880 (Russia: Krasnoyarsk Territory: Mirnoye). B. S. (N.) illusor Ryvkin, 1987 (Russia: Magadan Area: 2 km W of Splavnaya). C. S. (N.) delitor sp. nov. (holotype). D. S. (N.) canosus sp. nov. (holotype). E. S. (N.) canalis sp. nov. (holotype). F. S. (N.) caseyi Puthz, 1972 (U.S.A.: Michigan: Berrien Co.). Aedeagus, ventral view. – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC031FFD2FDFAAB4DFC9C9D64.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857783/files/figure.png	https://doi.org/10.5281/zenodo.3857783	Fig. 4. – A–B: Stenus (Nestus) canosus sp. nov.: ♂ (holotype). A. Aedeagus, ventral view. B. Apical part of aedeagus, ventral view. – C–D: S. (N.) canalis sp. nov.: ♂ (holotype). C. Aedeagus, ventral view. D. Apical part of aedeagus, ventral view. [Note that the difference in shape of the apical lobe compared to that in C is due to the level of magnification.] – Scales = 0.1 mm.	Fig. 4. – A–B: Stenus (Nestus) canosus sp. nov.: ♂ (holotype). A. Aedeagus, ventral view. B. Apical part of aedeagus, ventral view. – C–D: S. (N.) canalis sp. nov.: ♂ (holotype). C. Aedeagus, ventral view. D. Apical part of aedeagus, ventral view. [Note that the difference in shape of the apical lobe compared to that in C is due to the level of magnification.] – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC031FFD2FDFAAB4DFC9C9D64.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857785/files/figure.png	https://doi.org/10.5281/zenodo.3857785	Fig. 5. ♂ copulative structures. A–E: Abdominal sternite 9. A. Stenus (Nestus) latipennis J. Sahlberg, 1880 (Russia: Krasnoyarsk Territory: Mirnoye). B. S. (N.) illusor Ryvkin, 1987 (Russia: Magadan Area: 2 km W of Splavnaya). C. S. (N.) delitor sp. nov. (holotype). D. S. (N.) canosus sp. nov. (holotype). E. S. (N.) canalis sp. nov. (holotype). F. S. (N.) caseyi Puthz, 1972 (U.S.A.: Michigan: Berrien Co.). Aedeagus, ventral view. – Scales = 0.1 mm.	Fig. 5. ♂ copulative structures. A–E: Abdominal sternite 9. A. Stenus (Nestus) latipennis J. Sahlberg, 1880 (Russia: Krasnoyarsk Territory: Mirnoye). B. S. (N.) illusor Ryvkin, 1987 (Russia: Magadan Area: 2 km W of Splavnaya). C. S. (N.) delitor sp. nov. (holotype). D. S. (N.) canosus sp. nov. (holotype). E. S. (N.) canalis sp. nov. (holotype). F. S. (N.) caseyi Puthz, 1972 (U.S.A.: Michigan: Berrien Co.). Aedeagus, ventral view. – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC033FFEFFDFEA8E9FC0C9C11.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857785/files/figure.png	https://doi.org/10.5281/zenodo.3857785	Fig. 5. ♂ copulative structures. A–E: Abdominal sternite 9. A. Stenus (Nestus) latipennis J. Sahlberg, 1880 (Russia: Krasnoyarsk Territory: Mirnoye). B. S. (N.) illusor Ryvkin, 1987 (Russia: Magadan Area: 2 km W of Splavnaya). C. S. (N.) delitor sp. nov. (holotype). D. S. (N.) canosus sp. nov. (holotype). E. S. (N.) canalis sp. nov. (holotype). F. S. (N.) caseyi Puthz, 1972 (U.S.A.: Michigan: Berrien Co.). Aedeagus, ventral view. – Scales = 0.1 mm.	Fig. 5. ♂ copulative structures. A–E: Abdominal sternite 9. A. Stenus (Nestus) latipennis J. Sahlberg, 1880 (Russia: Krasnoyarsk Territory: Mirnoye). B. S. (N.) illusor Ryvkin, 1987 (Russia: Magadan Area: 2 km W of Splavnaya). C. S. (N.) delitor sp. nov. (holotype). D. S. (N.) canosus sp. nov. (holotype). E. S. (N.) canalis sp. nov. (holotype). F. S. (N.) caseyi Puthz, 1972 (U.S.A.: Michigan: Berrien Co.). Aedeagus, ventral view. – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC033FFEFFDFEA8E9FC0C9C11.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857787/files/figure.png	https://doi.org/10.5281/zenodo.3857787	Fig. 6. Aedeagus, ventral view. A. Stenus (Nestus) delitor sp. nov. (holotype). B. S. (N.) sphaerops Casey, 1884 (U.S.A.: New York: Albany Co.). – Scales = 0.1 mm.	Fig. 6. Aedeagus, ventral view. A. Stenus (Nestus) delitor sp. nov. (holotype). B. S. (N.) sphaerops Casey, 1884 (U.S.A.: New York: Albany Co.). – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC033FFEFFDFEA8E9FC0C9C11.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857789/files/figure.png	https://doi.org/10.5281/zenodo.3857789	Fig. 7. ♂ copulative structures. A–I, K: Aedeagus, ventral view. J: Abdominal sternite 9. A. Stenus (Nestus) delitor sp. nov. (holotype). B. S. (N.) illusor Ryvkin, 1987 (Russia: Amur Area: Angelokit River). C–H: S. (N.) latipennis J. Sahlberg, 1880. C. (Russia: SW Taimyr: Ladannakh Lake). D. (Russia: Taimyr: Kotuy River). E. (Russia: Putorana: Ayan Lake). F–G. (Russia: Evenkia: Kruten’kiy Stream). H. (Russia: Magadan Area: ‘Aborigen’). I–J. S. (N.) sphaerops Casey, 1884 (U.S.A.: New York: Albany Co.). K. S. (N.) melanopus Marsham, 1802 (Ukraine: Odessa Area: Krinichnoye). – Scales = 0.1 mm.	Fig. 7. ♂ copulative structures. A–I, K: Aedeagus, ventral view. J: Abdominal sternite 9. A. Stenus (Nestus) delitor sp. nov. (holotype). B. S. (N.) illusor Ryvkin, 1987 (Russia: Amur Area: Angelokit River). C–H: S. (N.) latipennis J. Sahlberg, 1880. C. (Russia: SW Taimyr: Ladannakh Lake). D. (Russia: Taimyr: Kotuy River). E. (Russia: Putorana: Ayan Lake). F–G. (Russia: Evenkia: Kruten’kiy Stream). H. (Russia: Magadan Area: ‘Aborigen’). I–J. S. (N.) sphaerops Casey, 1884 (U.S.A.: New York: Albany Co.). K. S. (N.) melanopus Marsham, 1802 (Ukraine: Odessa Area: Krinichnoye). – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC00EFFEEFD9CA926FEE29A10.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857785/files/figure.png	https://doi.org/10.5281/zenodo.3857785	Fig. 5. ♂ copulative structures. A–E: Abdominal sternite 9. A. Stenus (Nestus) latipennis J. Sahlberg, 1880 (Russia: Krasnoyarsk Territory: Mirnoye). B. S. (N.) illusor Ryvkin, 1987 (Russia: Magadan Area: 2 km W of Splavnaya). C. S. (N.) delitor sp. nov. (holotype). D. S. (N.) canosus sp. nov. (holotype). E. S. (N.) canalis sp. nov. (holotype). F. S. (N.) caseyi Puthz, 1972 (U.S.A.: Michigan: Berrien Co.). Aedeagus, ventral view. – Scales = 0.1 mm.	Fig. 5. ♂ copulative structures. A–E: Abdominal sternite 9. A. Stenus (Nestus) latipennis J. Sahlberg, 1880 (Russia: Krasnoyarsk Territory: Mirnoye). B. S. (N.) illusor Ryvkin, 1987 (Russia: Magadan Area: 2 km W of Splavnaya). C. S. (N.) delitor sp. nov. (holotype). D. S. (N.) canosus sp. nov. (holotype). E. S. (N.) canalis sp. nov. (holotype). F. S. (N.) caseyi Puthz, 1972 (U.S.A.: Michigan: Berrien Co.). Aedeagus, ventral view. – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC00EFFEEFD9CA926FEE29A10.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857789/files/figure.png	https://doi.org/10.5281/zenodo.3857789	Fig. 7. ♂ copulative structures. A–I, K: Aedeagus, ventral view. J: Abdominal sternite 9. A. Stenus (Nestus) delitor sp. nov. (holotype). B. S. (N.) illusor Ryvkin, 1987 (Russia: Amur Area: Angelokit River). C–H: S. (N.) latipennis J. Sahlberg, 1880. C. (Russia: SW Taimyr: Ladannakh Lake). D. (Russia: Taimyr: Kotuy River). E. (Russia: Putorana: Ayan Lake). F–G. (Russia: Evenkia: Kruten’kiy Stream). H. (Russia: Magadan Area: ‘Aborigen’). I–J. S. (N.) sphaerops Casey, 1884 (U.S.A.: New York: Albany Co.). K. S. (N.) melanopus Marsham, 1802 (Ukraine: Odessa Area: Krinichnoye). – Scales = 0.1 mm.	Fig. 7. ♂ copulative structures. A–I, K: Aedeagus, ventral view. J: Abdominal sternite 9. A. Stenus (Nestus) delitor sp. nov. (holotype). B. S. (N.) illusor Ryvkin, 1987 (Russia: Amur Area: Angelokit River). C–H: S. (N.) latipennis J. Sahlberg, 1880. C. (Russia: SW Taimyr: Ladannakh Lake). D. (Russia: Taimyr: Kotuy River). E. (Russia: Putorana: Ayan Lake). F–G. (Russia: Evenkia: Kruten’kiy Stream). H. (Russia: Magadan Area: ‘Aborigen’). I–J. S. (N.) sphaerops Casey, 1884 (U.S.A.: New York: Albany Co.). K. S. (N.) melanopus Marsham, 1802 (Ukraine: Odessa Area: Krinichnoye). – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC00FFFE9FDAEAF25FCFB9D88.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857785/files/figure.png	https://doi.org/10.5281/zenodo.3857785	Fig. 5. ♂ copulative structures. A–E: Abdominal sternite 9. A. Stenus (Nestus) latipennis J. Sahlberg, 1880 (Russia: Krasnoyarsk Territory: Mirnoye). B. S. (N.) illusor Ryvkin, 1987 (Russia: Magadan Area: 2 km W of Splavnaya). C. S. (N.) delitor sp. nov. (holotype). D. S. (N.) canosus sp. nov. (holotype). E. S. (N.) canalis sp. nov. (holotype). F. S. (N.) caseyi Puthz, 1972 (U.S.A.: Michigan: Berrien Co.). Aedeagus, ventral view. – Scales = 0.1 mm.	Fig. 5. ♂ copulative structures. A–E: Abdominal sternite 9. A. Stenus (Nestus) latipennis J. Sahlberg, 1880 (Russia: Krasnoyarsk Territory: Mirnoye). B. S. (N.) illusor Ryvkin, 1987 (Russia: Magadan Area: 2 km W of Splavnaya). C. S. (N.) delitor sp. nov. (holotype). D. S. (N.) canosus sp. nov. (holotype). E. S. (N.) canalis sp. nov. (holotype). F. S. (N.) caseyi Puthz, 1972 (U.S.A.: Michigan: Berrien Co.). Aedeagus, ventral view. – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC00FFFE9FDAEAF25FCFB9D88.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857789/files/figure.png	https://doi.org/10.5281/zenodo.3857789	Fig. 7. ♂ copulative structures. A–I, K: Aedeagus, ventral view. J: Abdominal sternite 9. A. Stenus (Nestus) delitor sp. nov. (holotype). B. S. (N.) illusor Ryvkin, 1987 (Russia: Amur Area: Angelokit River). C–H: S. (N.) latipennis J. Sahlberg, 1880. C. (Russia: SW Taimyr: Ladannakh Lake). D. (Russia: Taimyr: Kotuy River). E. (Russia: Putorana: Ayan Lake). F–G. (Russia: Evenkia: Kruten’kiy Stream). H. (Russia: Magadan Area: ‘Aborigen’). I–J. S. (N.) sphaerops Casey, 1884 (U.S.A.: New York: Albany Co.). K. S. (N.) melanopus Marsham, 1802 (Ukraine: Odessa Area: Krinichnoye). – Scales = 0.1 mm.	Fig. 7. ♂ copulative structures. A–I, K: Aedeagus, ventral view. J: Abdominal sternite 9. A. Stenus (Nestus) delitor sp. nov. (holotype). B. S. (N.) illusor Ryvkin, 1987 (Russia: Amur Area: Angelokit River). C–H: S. (N.) latipennis J. Sahlberg, 1880. C. (Russia: SW Taimyr: Ladannakh Lake). D. (Russia: Taimyr: Kotuy River). E. (Russia: Putorana: Ayan Lake). F–G. (Russia: Evenkia: Kruten’kiy Stream). H. (Russia: Magadan Area: ‘Aborigen’). I–J. S. (N.) sphaerops Casey, 1884 (U.S.A.: New York: Albany Co.). K. S. (N.) melanopus Marsham, 1802 (Ukraine: Odessa Area: Krinichnoye). – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC00BFFE5FD8EACFEFE549CC3.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857787/files/figure.png	https://doi.org/10.5281/zenodo.3857787	Fig. 6. Aedeagus, ventral view. A. Stenus (Nestus) delitor sp. nov. (holotype). B. S. (N.) sphaerops Casey, 1884 (U.S.A.: New York: Albany Co.). – Scales = 0.1 mm.	Fig. 6. Aedeagus, ventral view. A. Stenus (Nestus) delitor sp. nov. (holotype). B. S. (N.) sphaerops Casey, 1884 (U.S.A.: New York: Albany Co.). – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC00BFFE5FD8EACFEFE549CC3.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857789/files/figure.png	https://doi.org/10.5281/zenodo.3857789	Fig. 7. ♂ copulative structures. A–I, K: Aedeagus, ventral view. J: Abdominal sternite 9. A. Stenus (Nestus) delitor sp. nov. (holotype). B. S. (N.) illusor Ryvkin, 1987 (Russia: Amur Area: Angelokit River). C–H: S. (N.) latipennis J. Sahlberg, 1880. C. (Russia: SW Taimyr: Ladannakh Lake). D. (Russia: Taimyr: Kotuy River). E. (Russia: Putorana: Ayan Lake). F–G. (Russia: Evenkia: Kruten’kiy Stream). H. (Russia: Magadan Area: ‘Aborigen’). I–J. S. (N.) sphaerops Casey, 1884 (U.S.A.: New York: Albany Co.). K. S. (N.) melanopus Marsham, 1802 (Ukraine: Odessa Area: Krinichnoye). – Scales = 0.1 mm.	Fig. 7. ♂ copulative structures. A–I, K: Aedeagus, ventral view. J: Abdominal sternite 9. A. Stenus (Nestus) delitor sp. nov. (holotype). B. S. (N.) illusor Ryvkin, 1987 (Russia: Amur Area: Angelokit River). C–H: S. (N.) latipennis J. Sahlberg, 1880. C. (Russia: SW Taimyr: Ladannakh Lake). D. (Russia: Taimyr: Kotuy River). E. (Russia: Putorana: Ayan Lake). F–G. (Russia: Evenkia: Kruten’kiy Stream). H. (Russia: Magadan Area: ‘Aborigen’). I–J. S. (N.) sphaerops Casey, 1884 (U.S.A.: New York: Albany Co.). K. S. (N.) melanopus Marsham, 1802 (Ukraine: Odessa Area: Krinichnoye). – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC004FFE7FDB5A874FAF19AD8.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857779/files/figure.png	https://doi.org/10.5281/zenodo.3857779	Fig. 2. – A–B: Stenus (Nestus) raddei Ryvkin, 1987: ♂ (Russia: Magadan Area: Sibit-Tyhellakh). A. Aedeagus, ventral view. B. Apical part of aedeagus, ventral view. – C–D: S. (N.) illotulus Puthz, 1972: ♂ (Russia: Amur Area: Zeyskiy Nature Reserve). C. Aedeagus, ventral view. D. Apical part of aedeagus, ventral view. Right paramere removed. – E. S. (N.) confusus J. Sahlberg, 1876: ♂ (Russia: Kalinin Area: Putilovo). Aedeagus, ventral view. – Scales = 0.1 mm.	Fig. 2. – A–B: Stenus (Nestus) raddei Ryvkin, 1987: ♂ (Russia: Magadan Area: Sibit-Tyhellakh). A. Aedeagus, ventral view. B. Apical part of aedeagus, ventral view. – C–D: S. (N.) illotulus Puthz, 1972: ♂ (Russia: Amur Area: Zeyskiy Nature Reserve). C. Aedeagus, ventral view. D. Apical part of aedeagus, ventral view. Right paramere removed. – E. S. (N.) confusus J. Sahlberg, 1876: ♂ (Russia: Kalinin Area: Putilovo). Aedeagus, ventral view. – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC007FFFCFDADAB93FEAA9B1E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857789/files/figure.png	https://doi.org/10.5281/zenodo.3857789	Fig. 7. ♂ copulative structures. A–I, K: Aedeagus, ventral view. J: Abdominal sternite 9. A. Stenus (Nestus) delitor sp. nov. (holotype). B. S. (N.) illusor Ryvkin, 1987 (Russia: Amur Area: Angelokit River). C–H: S. (N.) latipennis J. Sahlberg, 1880. C. (Russia: SW Taimyr: Ladannakh Lake). D. (Russia: Taimyr: Kotuy River). E. (Russia: Putorana: Ayan Lake). F–G. (Russia: Evenkia: Kruten’kiy Stream). H. (Russia: Magadan Area: ‘Aborigen’). I–J. S. (N.) sphaerops Casey, 1884 (U.S.A.: New York: Albany Co.). K. S. (N.) melanopus Marsham, 1802 (Ukraine: Odessa Area: Krinichnoye). – Scales = 0.1 mm.	Fig. 7. ♂ copulative structures. A–I, K: Aedeagus, ventral view. J: Abdominal sternite 9. A. Stenus (Nestus) delitor sp. nov. (holotype). B. S. (N.) illusor Ryvkin, 1987 (Russia: Amur Area: Angelokit River). C–H: S. (N.) latipennis J. Sahlberg, 1880. C. (Russia: SW Taimyr: Ladannakh Lake). D. (Russia: Taimyr: Kotuy River). E. (Russia: Putorana: Ayan Lake). F–G. (Russia: Evenkia: Kruten’kiy Stream). H. (Russia: Magadan Area: ‘Aborigen’). I–J. S. (N.) sphaerops Casey, 1884 (U.S.A.: New York: Albany Co.). K. S. (N.) melanopus Marsham, 1802 (Ukraine: Odessa Area: Krinichnoye). – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC01DFFFEFF1CAE3EFAA299CB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857789/files/figure.png	https://doi.org/10.5281/zenodo.3857789	Fig. 7. ♂ copulative structures. A–I, K: Aedeagus, ventral view. J: Abdominal sternite 9. A. Stenus (Nestus) delitor sp. nov. (holotype). B. S. (N.) illusor Ryvkin, 1987 (Russia: Amur Area: Angelokit River). C–H: S. (N.) latipennis J. Sahlberg, 1880. C. (Russia: SW Taimyr: Ladannakh Lake). D. (Russia: Taimyr: Kotuy River). E. (Russia: Putorana: Ayan Lake). F–G. (Russia: Evenkia: Kruten’kiy Stream). H. (Russia: Magadan Area: ‘Aborigen’). I–J. S. (N.) sphaerops Casey, 1884 (U.S.A.: New York: Albany Co.). K. S. (N.) melanopus Marsham, 1802 (Ukraine: Odessa Area: Krinichnoye). – Scales = 0.1 mm.	Fig. 7. ♂ copulative structures. A–I, K: Aedeagus, ventral view. J: Abdominal sternite 9. A. Stenus (Nestus) delitor sp. nov. (holotype). B. S. (N.) illusor Ryvkin, 1987 (Russia: Amur Area: Angelokit River). C–H: S. (N.) latipennis J. Sahlberg, 1880. C. (Russia: SW Taimyr: Ladannakh Lake). D. (Russia: Taimyr: Kotuy River). E. (Russia: Putorana: Ayan Lake). F–G. (Russia: Evenkia: Kruten’kiy Stream). H. (Russia: Magadan Area: ‘Aborigen’). I–J. S. (N.) sphaerops Casey, 1884 (U.S.A.: New York: Albany Co.). K. S. (N.) melanopus Marsham, 1802 (Ukraine: Odessa Area: Krinichnoye). – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC01DFFFEFF1CAE3EFAA299CB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857785/files/figure.png	https://doi.org/10.5281/zenodo.3857785	Fig. 5. ♂ copulative structures. A–E: Abdominal sternite 9. A. Stenus (Nestus) latipennis J. Sahlberg, 1880 (Russia: Krasnoyarsk Territory: Mirnoye). B. S. (N.) illusor Ryvkin, 1987 (Russia: Magadan Area: 2 km W of Splavnaya). C. S. (N.) delitor sp. nov. (holotype). D. S. (N.) canosus sp. nov. (holotype). E. S. (N.) canalis sp. nov. (holotype). F. S. (N.) caseyi Puthz, 1972 (U.S.A.: Michigan: Berrien Co.). Aedeagus, ventral view. – Scales = 0.1 mm.	Fig. 5. ♂ copulative structures. A–E: Abdominal sternite 9. A. Stenus (Nestus) latipennis J. Sahlberg, 1880 (Russia: Krasnoyarsk Territory: Mirnoye). B. S. (N.) illusor Ryvkin, 1987 (Russia: Magadan Area: 2 km W of Splavnaya). C. S. (N.) delitor sp. nov. (holotype). D. S. (N.) canosus sp. nov. (holotype). E. S. (N.) canalis sp. nov. (holotype). F. S. (N.) caseyi Puthz, 1972 (U.S.A.: Michigan: Berrien Co.). Aedeagus, ventral view. – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC01DFFFEFF1CAE3EFAA299CB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857777/files/figure.png	https://doi.org/10.5281/zenodo.3857777	Fig. 1. – A–D: Stenus (Nestus) nitens Stephens, 1833: ♂ genitalia, ventral view. A–B: (Russia: Moscow Area: Gorenki). C–D: (Russia: Evenkia: Stolbovaya River). A, C. Aedeagus. B, D. Apical part of median lobe. – E. S. (N.) labilis Erichson, 1840: ♂ (Russia: S Yamal: nr. Salekhard). Aedeagus, ventral view. – Scales = 0.1 mm.	Fig. 1. – A–D: Stenus (Nestus) nitens Stephens, 1833: ♂ genitalia, ventral view. A–B: (Russia: Moscow Area: Gorenki). C–D: (Russia: Evenkia: Stolbovaya River). A, C. Aedeagus. B, D. Apical part of median lobe. – E. S. (N.) labilis Erichson, 1840: ♂ (Russia: S Yamal: nr. Salekhard). Aedeagus, ventral view. – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC01DFFFEFF1CAE3EFAA299CB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857787/files/figure.png	https://doi.org/10.5281/zenodo.3857787	Fig. 6. Aedeagus, ventral view. A. Stenus (Nestus) delitor sp. nov. (holotype). B. S. (N.) sphaerops Casey, 1884 (U.S.A.: New York: Albany Co.). – Scales = 0.1 mm.	Fig. 6. Aedeagus, ventral view. A. Stenus (Nestus) delitor sp. nov. (holotype). B. S. (N.) sphaerops Casey, 1884 (U.S.A.: New York: Albany Co.). – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC01DFFFEFF1CAE3EFAA299CB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857779/files/figure.png	https://doi.org/10.5281/zenodo.3857779	Fig. 2. – A–B: Stenus (Nestus) raddei Ryvkin, 1987: ♂ (Russia: Magadan Area: Sibit-Tyhellakh). A. Aedeagus, ventral view. B. Apical part of aedeagus, ventral view. – C–D: S. (N.) illotulus Puthz, 1972: ♂ (Russia: Amur Area: Zeyskiy Nature Reserve). C. Aedeagus, ventral view. D. Apical part of aedeagus, ventral view. Right paramere removed. – E. S. (N.) confusus J. Sahlberg, 1876: ♂ (Russia: Kalinin Area: Putilovo). Aedeagus, ventral view. – Scales = 0.1 mm.	Fig. 2. – A–B: Stenus (Nestus) raddei Ryvkin, 1987: ♂ (Russia: Magadan Area: Sibit-Tyhellakh). A. Aedeagus, ventral view. B. Apical part of aedeagus, ventral view. – C–D: S. (N.) illotulus Puthz, 1972: ♂ (Russia: Amur Area: Zeyskiy Nature Reserve). C. Aedeagus, ventral view. D. Apical part of aedeagus, ventral view. Right paramere removed. – E. S. (N.) confusus J. Sahlberg, 1876: ♂ (Russia: Kalinin Area: Putilovo). Aedeagus, ventral view. – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC01DFFFEFF1CAE3EFAA299CB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857781/files/figure.png	https://doi.org/10.5281/zenodo.3857781	Fig. 3. – A–C: Stenus (Nestus) alopex sp. nov.: ♂. A. Aedeagus, ventral view (holotype). B. Apical part of aedeagus, ventral view (holotype). C. Abdominal sternite 9 (paratype). – D–E: S. (N.) canaliculatus Gyllenhal, 1827: ♂. D. Aedeagus, ventral view (Russia: Rostov Area: Nedvigovka). E. Abdominal sternite 9 (Russia: Taimyr: Maymecha River). – Scales = 0.1 mm.	Fig. 3. – A–C: Stenus (Nestus) alopex sp. nov.: ♂. A. Aedeagus, ventral view (holotype). B. Apical part of aedeagus, ventral view (holotype). C. Abdominal sternite 9 (paratype). – D–E: S. (N.) canaliculatus Gyllenhal, 1827: ♂. D. Aedeagus, ventral view (Russia: Rostov Area: Nedvigovka). E. Abdominal sternite 9 (Russia: Taimyr: Maymecha River). – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
803F87FDC01DFFFEFF1CAE3EFAA299CB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/3857783/files/figure.png	https://doi.org/10.5281/zenodo.3857783	Fig. 4. – A–B: Stenus (Nestus) canosus sp. nov.: ♂ (holotype). A. Aedeagus, ventral view. B. Apical part of aedeagus, ventral view. – C–D: S. (N.) canalis sp. nov.: ♂ (holotype). C. Aedeagus, ventral view. D. Apical part of aedeagus, ventral view. [Note that the difference in shape of the apical lobe compared to that in C is due to the level of magnification.] – Scales = 0.1 mm.	Fig. 4. – A–B: Stenus (Nestus) canosus sp. nov.: ♂ (holotype). A. Aedeagus, ventral view. B. Apical part of aedeagus, ventral view. – C–D: S. (N.) canalis sp. nov.: ♂ (holotype). C. Aedeagus, ventral view. D. Apical part of aedeagus, ventral view. [Note that the difference in shape of the apical lobe compared to that in C is due to the level of magnification.] – Scales = 0.1 mm.	2012-05-24	Ryvkin, Alexandr B.		Zenodo	biologists	Ryvkin, Alexandr B.			
