taxonID	type	description	language	source
8F1403703B420E5693CB18DFCF441F96.taxon	diagnosis	Diagnosis. Lateral margin of labrum (Fig. 6) abruptly constricted posteriorly. Setae of labial palpomere 2 closely set. Anterior apex of modified longitudinal hypomeral carina with antennal pocket setae. Elytra (Fig. 11) with 15 or more striae. Mesoventral process (Fig. 14) obtuse, between 100 ° and 130 ° angle. Sternite III (Fig. 17) without pubescence behind coxal pits. Sternite VII (Fig. 17) pubescent with semicircular glabrous posterior region. Gonocoxite with a pair of subapical tufts (Jaech et al. 2000).	en	Lee, Dae-Hyun, Ahn, Kee-Jeong (2016): A taxonomic review of the Hydraenidae in South Korea (Coleoptera). ZooKeys 634: 57-78, DOI: http://dx.doi.org/10.3897/zookeys.634.10640, URL: http://dx.doi.org/10.3897/zookeys.634.10640
B2C94C5540DF40D4966DF3EB4C232AF7.taxon	diagnosis	Diagnosis. Labral-mandibular interlocking device present. Mentum (Fig. 8) with acute median projection on anterior part. Sensilla various and complex. Features of the secretion delivery system specialized (Jaech et al. 2000).	en	Lee, Dae-Hyun, Ahn, Kee-Jeong (2016): A taxonomic review of the Hydraenidae in South Korea (Coleoptera). ZooKeys 634: 57-78, DOI: http://dx.doi.org/10.3897/zookeys.634.10640, URL: http://dx.doi.org/10.3897/zookeys.634.10640
673FA8F3B7097FCDEEA44E91D4BF2580.taxon	materials_examined	Specimens examined. SOUTH KOREA: Gangwon Prov.: 1 ♀, Goseong-gun, Ganseong-eub, Jinburyeong, N 38 ° 15 ' 59 " E 128 ° 23 ' 04 ", 640 m, 21. VII. 2004, KM Yang, JS Park, leaf litter; 1 ♂ 2 ♀♀, Hongcheon-gun, Nae-myeon, Changchon-ri, Unduryeong-hill, 10. VIII. 2012, SW Jeong, mountain stream; 1 ♂, Hongcheon-gun, Seo-myeon, Bangok-ri, Bangokgyo, 17. IX. 2009, DH Lee, mountain stream (1 ♂, on slide); 1 ♂ 3 ♀♀, Pyeongchang-gun, Daegwanryeong-eub, Yucheon-ri, Haewon-temple, 15. IX. 2009, YJ Park, under stone on stream margin (1 ♂, on slide); 1 ♀, Pyeongchang-gun, Jinbu-myeon, Dongsan-ri, Mt. Odaesan, Sangwon-temple, 16. VIII- 15. IX. 2001, SJ Park, CW Shin, FIT; 1 ♂, same data as former except for, 8. V. 2004, DH Lee, stream; 1 ♂, same data as former except for, 8. V. 2004, DH Lee, stream; 9 ♂♂ 11 ♀♀, same data as former except for, Mt. Odaesan, 22. V. 2012, DH Lee, springfed pool; 1 ♂, Samcheok-si, Gagok-stream, 25. VI. 1985. SH Lee; 3 ♀♀, Yeongwol-gun, Suju-myeon, Mt. Baehyang-san, 17. VII. 2010, SW Jeong, mountain stream; Gyeongbuk Prov.: 1 ♀, Uljin-gun, Buk-myeon, Mt. Eungbongsan, 6. VI. 1995, SH Lee; 1 ♂, Uljin-gun, Seo-myeon, Wangpi-ri, Golan-bridge, N 36 ° 54 ' 27.1 " E 129 ° 14 ' 34.2 ", 385 m, 26. IV. 2012, DH Lee, mountain stream; Gyeonggi Prov.: 1 ♀, Gapyeong-gun, Buk-myeon, Jeongmok-ri, Garim-bridge, 16. IX. 2010, SW Jeong, stream; 1 ♂, Paju-si, Jangdan-myeon, Nosang-ri, 21. IX. 2012, SW Jeong, stream.	en	Lee, Dae-Hyun, Ahn, Kee-Jeong (2016): A taxonomic review of the Hydraenidae in South Korea (Coleoptera). ZooKeys 634: 57-78, DOI: http://dx.doi.org/10.3897/zookeys.634.10640, URL: http://dx.doi.org/10.3897/zookeys.634.10640
673FA8F3B7097FCDEEA44E91D4BF2580.taxon	distribution	Distribution. Korea, China (Liaoning, Shandong), Russia (Far East).	en	Lee, Dae-Hyun, Ahn, Kee-Jeong (2016): A taxonomic review of the Hydraenidae in South Korea (Coleoptera). ZooKeys 634: 57-78, DOI: http://dx.doi.org/10.3897/zookeys.634.10640, URL: http://dx.doi.org/10.3897/zookeys.634.10640
3210B144CEBD2F69A79F05B8C34D9BA6.taxon	diagnosis	Diagnosis. Transverse anterior inner gular carina absent; mesosternal intercoxal process protruding from mesosternal disc at an angle of 150 ° - 180 °; at least one of the two parameres shifted (Jaech et al. 2000).	en	Lee, Dae-Hyun, Ahn, Kee-Jeong (2016): A taxonomic review of the Hydraenidae in South Korea (Coleoptera). ZooKeys 634: 57-78, DOI: http://dx.doi.org/10.3897/zookeys.634.10640, URL: http://dx.doi.org/10.3897/zookeys.634.10640
24DD48F766DA080DABD42723AB105002.taxon	materials_examined	Specimens examined. SOUTH KOREA: Gangwon Prov.: 1 ♀, Pyeongchang-gun, Baesujang, 29 VII 1994, SH Lee.	en	Lee, Dae-Hyun, Ahn, Kee-Jeong (2016): A taxonomic review of the Hydraenidae in South Korea (Coleoptera). ZooKeys 634: 57-78, DOI: http://dx.doi.org/10.3897/zookeys.634.10640, URL: http://dx.doi.org/10.3897/zookeys.634.10640
24DD48F766DA080DABD42723AB105002.taxon	distribution	Distribution. Korea, China (Jilin, Liaoning, Shandong), Japan, Russia (Far East).	en	Lee, Dae-Hyun, Ahn, Kee-Jeong (2016): A taxonomic review of the Hydraenidae in South Korea (Coleoptera). ZooKeys 634: 57-78, DOI: http://dx.doi.org/10.3897/zookeys.634.10640, URL: http://dx.doi.org/10.3897/zookeys.634.10640
2726057CB657F66A42318CFFCA1E32BB.taxon	diagnosis	Diagnosis. Body (Fig. 26) with distinct pronoto-elytral angle. Head (Fig. 27) with a transverse groove separating clypeus and frons, the latter on each side with an interocular pit-like depression and a short longitudinal depression or groove on postero-medial part. Anterior margin of labrum truncate, sometimes with a small medial emargination. Pronotum (Figs 21, 30, 37, 45) with a narrow hyaline membranous cuticula, middle pronotal portion raised, and with longitudinal or transversal groove. Elytra (Figs 22, 31, 38, 46) with rows of punctures (Chiesa 1959; Hansen 1987; Jaech 1992).	en	Lee, Dae-Hyun, Ahn, Kee-Jeong (2016): A taxonomic review of the Hydraenidae in South Korea (Coleoptera). ZooKeys 634: 57-78, DOI: http://dx.doi.org/10.3897/zookeys.634.10640, URL: http://dx.doi.org/10.3897/zookeys.634.10640
656FA333F7DAAB41D01CB5045BEC0955.taxon	diagnosis	Diagnosis. Lateral margin of pronotum (Figs 21, 30, 37, 45) with hyaline membranous cuticula. Marginal elytral ridge (Fig. 39) disappearing posteriorly. Pedicel (Fig. 19, 35) not enlarged distally (Hansen 1987; Jaech 1992).	en	Lee, Dae-Hyun, Ahn, Kee-Jeong (2016): A taxonomic review of the Hydraenidae in South Korea (Coleoptera). ZooKeys 634: 57-78, DOI: http://dx.doi.org/10.3897/zookeys.634.10640, URL: http://dx.doi.org/10.3897/zookeys.634.10640
A6C2E90CA4322CB48122F1B7EF695C9B.taxon	materials_examined	Specimens examined. Holotype: 1 ♂ (CNUIC), with labels as follows: " KOREA: Gyeongbuk prov.: Kugae, 6 VII 1991, K. J. Ahn, ex., rock crevice., Holotype Ochthebius ahni sp. n. Jaech and Delgado 2014 ". Paratypes: 1 ♂ 1 ♀, same data as holotype. 3 ♂♂ 2 ♀♀, same data as holotype.	en	Lee, Dae-Hyun, Ahn, Kee-Jeong (2016): A taxonomic review of the Hydraenidae in South Korea (Coleoptera). ZooKeys 634: 57-78, DOI: http://dx.doi.org/10.3897/zookeys.634.10640, URL: http://dx.doi.org/10.3897/zookeys.634.10640
A6C2E90CA4322CB48122F1B7EF695C9B.taxon	diagnosis	Diagnosis. See Jaech and Delgado (2014).	en	Lee, Dae-Hyun, Ahn, Kee-Jeong (2016): A taxonomic review of the Hydraenidae in South Korea (Coleoptera). ZooKeys 634: 57-78, DOI: http://dx.doi.org/10.3897/zookeys.634.10640, URL: http://dx.doi.org/10.3897/zookeys.634.10640
A6C2E90CA4322CB48122F1B7EF695C9B.taxon	distribution	Distribution. Korea.	en	Lee, Dae-Hyun, Ahn, Kee-Jeong (2016): A taxonomic review of the Hydraenidae in South Korea (Coleoptera). ZooKeys 634: 57-78, DOI: http://dx.doi.org/10.3897/zookeys.634.10640, URL: http://dx.doi.org/10.3897/zookeys.634.10640
C8A8DC5F0B805552DD5755C249461712.taxon	materials_examined	Specimens examined. SOUTH KOREA: Chungnam Prov.: 1 ♀, Nonsan-si, Beolgok-myeon, Sajeong-ri, N 36 ° 11 ' 41.77 " E 127 ° 16 ' 18.77 " 118 m, 24 V 2014, IS Yoo, under stone in stream; Gyeongbuk Prov.: 6 ♂♂ 8 ♀♀, Uljin-gun, Giseong-myeon, Dacheon-ri, Giseong-stream 17 VII 1995, SH Lee, mountain stream (3 ♂ 2 ♀, on slides); Gyeonggi Prov.: 1 ♀, Gapyeong-gun, Buk-myeon, Dodae-ri, Seungcheon-temple, 5 VII 2013, SW Jeong, HJ Park, stream.	en	Lee, Dae-Hyun, Ahn, Kee-Jeong (2016): A taxonomic review of the Hydraenidae in South Korea (Coleoptera). ZooKeys 634: 57-78, DOI: http://dx.doi.org/10.3897/zookeys.634.10640, URL: http://dx.doi.org/10.3897/zookeys.634.10640
C8A8DC5F0B805552DD5755C249461712.taxon	distribution	Distribution. Korea, Japan, Russia (Far East).	en	Lee, Dae-Hyun, Ahn, Kee-Jeong (2016): A taxonomic review of the Hydraenidae in South Korea (Coleoptera). ZooKeys 634: 57-78, DOI: http://dx.doi.org/10.3897/zookeys.634.10640, URL: http://dx.doi.org/10.3897/zookeys.634.10640
4D072FF8320B6ECCAD63CBE338A10BFB.taxon	materials_examined	Specimens examined. SOUTH KOREA: Gangwon Prov.: 4 ♂♂ 2 ♀♀, Samcheok-si, Wondeok-eub, Wolcheon-ri, Gagok-steam, 1 V 1994, SH Lee, beside stream (4 ♂ 1 ♀, on slides); 5 ♂♂ 7 ♀♀, same data as former except for, 1 VI 1995; 1 ♀, same data as former except for, 25 VI 1995; Gyeongbuk Prov.: 2 ♂♂ 3 ♀♀, Uljin-gun, Namdae-stream, 17 VII 1995, SH Lee.	en	Lee, Dae-Hyun, Ahn, Kee-Jeong (2016): A taxonomic review of the Hydraenidae in South Korea (Coleoptera). ZooKeys 634: 57-78, DOI: http://dx.doi.org/10.3897/zookeys.634.10640, URL: http://dx.doi.org/10.3897/zookeys.634.10640
4D072FF8320B6ECCAD63CBE338A10BFB.taxon	distribution	Distribution. Korea, China (Chongqing, Jilin, Liaoning, Sichuan, Yunnan).	en	Lee, Dae-Hyun, Ahn, Kee-Jeong (2016): A taxonomic review of the Hydraenidae in South Korea (Coleoptera). ZooKeys 634: 57-78, DOI: http://dx.doi.org/10.3897/zookeys.634.10640, URL: http://dx.doi.org/10.3897/zookeys.634.10640
3151B0F3ECEA5DCA2278AF1B6C4E1901.taxon	materials_examined	Specimens examined. SOUTH KOREA: Gyeonggi Prov.: 2 ♂♂ 3 ♀♀, Ansan-si, Danwon-gu, Daebudo-dong, Dongju-salt farm, N 37 ° 14 ' 05.60 " E 126 ° 36 ' 19.55 " 4 m, 7 XI 2013, DH Lee, IS Yoo, SG Lee, saline pond near salt farm (1 ♂, on slide).	en	Lee, Dae-Hyun, Ahn, Kee-Jeong (2016): A taxonomic review of the Hydraenidae in South Korea (Coleoptera). ZooKeys 634: 57-78, DOI: http://dx.doi.org/10.3897/zookeys.634.10640, URL: http://dx.doi.org/10.3897/zookeys.634.10640
3151B0F3ECEA5DCA2278AF1B6C4E1901.taxon	distribution	Distribution. Asia: Korea, China (Beijing, Heilongjiang), Russia (East Siberia); Europe: Denmark, Estonia, Finland, France, Great Britain, Germany, Ireland, Latvia, The Netherlands, Norway, Poland, Russia, Spain, Sweden; North America.	en	Lee, Dae-Hyun, Ahn, Kee-Jeong (2016): A taxonomic review of the Hydraenidae in South Korea (Coleoptera). ZooKeys 634: 57-78, DOI: http://dx.doi.org/10.3897/zookeys.634.10640, URL: http://dx.doi.org/10.3897/zookeys.634.10640
815ACA2D8B589F603930DAE8625ED982.taxon	materials_examined	Specimens examined. Holotype: 1 ♂ (CNUIC), with labels as follows: " Geoje City, Gabae-ri, 1 VII 2000, K. - J. Ahn, H. - J. Kim, M. - J. Jeon, on barnacles, Holotype Ochthebius parki sp. n. Jaech and Delgado 2014 ". Paratypes: 2 ♂♂, same data as holotype. SOUTH KOREA: Chungnam Prov.: 1 ♂, Boryeong-si, Ungcheon-eup, Doksan-ri, Holmoi beach, 6 IX 2003, K J Ahn, J S Park, under seaweeds; Gangwon Prov.: 1 ♀, Sokcho-si, Dongmyeong-dong, N 38 ° 12 ' 48.0 " E 128 ° 36 ' 05.9 " - 1 m, 28 V 2012, JH Song, under stone in beach; Gyeongbuk Prov.: 3 ♂♂ 4 ♀♀, Yongyeon [= Pohang-si, Buk-gu, Heunghae-eub, Yonggok-ri], 20 VII 1991, K. J. Ahn ,, in rock crevice; Gyeonggi Prov.: 1 ♂ 1 ♀, Incheon-City, Is. Baekryeongdo, 7 VIII 2000, C. - W. Shin, on rock (near sea); Gyeongnam Prov.: 5 ♂♂ 2 ♀♀, Geoje City, Gabae-ri, 1 VII 2000, K. - J. Ahn, H. - J. Kim, M. - J. Jeon, ex barnacles; 2 ♂♂ 3 ♀♀, Is. Geojedo, Dongbu-myeon, Gabae-ri, 30 VI 2001, S. - J. Park, inside barnacles; 1 ♂ 1 ♀, Koje, Kabae, Korean Marine Biological Laboratory, 3 VII 1998, J-Y Lyu, H-J Kim, empty barnacle; 1 ♂ 1 ♀, Kŏje-City, Gabae-ri, 30 VII 1999, K. - J. Ahn, on rock; Jeju Prov.: 1 ♂, Gwagji beach [= Jeju-si, Aewol-eub, Gwakji-ri, Gwakji beach], 3 VII 1991, K. J. Ahn ,, on rock with clam; 2 ♂♂ 1 ♀, Namjeju-gun, Seongsan-eub, Ilchulbong, 11 VI 2005, S. I. Lee, S. J. Park, K. J. Ahn, M. J. Jeon, D. H. Lee, ex stones; Jeonnam Prov.: 2 ♂♂ 5 ♀♀, Jindo, Imhoe-myeon, Geumgab beach, 21 VIII 2001, S. - J. Park, on barnacles; 3 ♂♂, Wando, Sinji-myeon, Myeongsasimri beach, 23 VIII 2001, K. - J. Ahn, J. - H. Ahn, on barnacles.	en	Lee, Dae-Hyun, Ahn, Kee-Jeong (2016): A taxonomic review of the Hydraenidae in South Korea (Coleoptera). ZooKeys 634: 57-78, DOI: http://dx.doi.org/10.3897/zookeys.634.10640, URL: http://dx.doi.org/10.3897/zookeys.634.10640
815ACA2D8B589F603930DAE8625ED982.taxon	diagnosis	Diagnosis. See Jaech and Delgado (2014).	en	Lee, Dae-Hyun, Ahn, Kee-Jeong (2016): A taxonomic review of the Hydraenidae in South Korea (Coleoptera). ZooKeys 634: 57-78, DOI: http://dx.doi.org/10.3897/zookeys.634.10640, URL: http://dx.doi.org/10.3897/zookeys.634.10640
815ACA2D8B589F603930DAE8625ED982.taxon	distribution	Distribution. Korea.	en	Lee, Dae-Hyun, Ahn, Kee-Jeong (2016): A taxonomic review of the Hydraenidae in South Korea (Coleoptera). ZooKeys 634: 57-78, DOI: http://dx.doi.org/10.3897/zookeys.634.10640, URL: http://dx.doi.org/10.3897/zookeys.634.10640
9B2F6EC49740407D8C07AA6499E37451.taxon	materials_examined	Specimens examined. SOUTH KOREA: Chungbuk Prov.: 2 ♂♂ 4 ♀♀, Okcheon-gun, Okcheon-eub, Gyodong-ri, 4 V 1990, SH Lee, beside stream; Gangwon Prov.: 3 ♂♂ 5 ♀♀, Samcheok-si, Wondeok-eub, Wolcheon-ri, Gagok-steam, 1 VI 1995, SH Lee, beside stream (3 ♂♂ 1 ♀, on slides); Gyeongbuk Prov.: 10 ♂♂ 7 ♀♀, Uljin-gun, Giseong-myeon, Dacheon-ri, Giseong-stream 17 VII 1995, SH Lee, ex. mountain stream (2 ♂♂ 2 ♀♀, on slides); 2 ♂♂ 1 ♀, Uljin-gun, Wonnam-myeon, Gilgok-ri, Maehwa-stream, beside stream (2 ♂♂, on slides); Gyeonggi Prov.: 1 ♀, Yeoncheon- gun, Jangnam-myeon, Wondal-ri, Samicheon-bridge, 5 VII 2014, SW Jeong, stream; Jeonbuk Prov.: 1 ♀, Buan-gun, Byeonsan-myeon, Junggye-ri, Jikso-fall, 11 VII 2014, SW Jeong, mountain stream.	en	Lee, Dae-Hyun, Ahn, Kee-Jeong (2016): A taxonomic review of the Hydraenidae in South Korea (Coleoptera). ZooKeys 634: 57-78, DOI: http://dx.doi.org/10.3897/zookeys.634.10640, URL: http://dx.doi.org/10.3897/zookeys.634.10640
9B2F6EC49740407D8C07AA6499E37451.taxon	distribution	Distribution. Korea, Japan, China (Henan, Jilin, Liaoning, Nei Mongol, Shaanxi, Shandong, Taiwan), Russia (Far East).	en	Lee, Dae-Hyun, Ahn, Kee-Jeong (2016): A taxonomic review of the Hydraenidae in South Korea (Coleoptera). ZooKeys 634: 57-78, DOI: http://dx.doi.org/10.3897/zookeys.634.10640, URL: http://dx.doi.org/10.3897/zookeys.634.10640
