Coleoptera: Staphylinidae: Paederinae

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55 Contents lists available at ScienceDirect 56 57 Journal of Asia-Pacific Biodiversity 58 59 journal homepage: http://www.elsevier.com/journals/journal-of-asia-pacific- 60 biodiversity/2287-884x 61 62 63 Original article 64 65 1 Five paederine species (Coleoptera: Staphylinidae: Paederinae) 66 2 67 3 new to Korea 68 4 69 * 5 Q7 Young Bok Cho 70 6 71 Q1 Natural History Museum, Hannam University, Daejeon, Republic of Korea 7 72 8 73 9 article info abstract 74 10 75 11 76 Article history: Five Paederine species [Astenus chloroticus (Sharp, 1874), Astenus setifer Cameron, 1930, Medon sub- 12 Received 13 March 2014 maculatus Sharp, 1889, Thinocharis japonica Bernhauer, 1909 and Scopaeus curraxoides Adachi, 1955] are 77 13 Received in revised form firstly reported in Korea. The genus Thinocharis Kraatz, 1859 is also reported firstly in Korean fauna. The 78 31 March 2014 14 photographs of adult habitus and illustrations of male genitalia of these species are provided here. 79 Accepted 7 April 2014 15 Copyright Ó 2014, National Science Museum of Korea (NSMK) and Korea National Arboretum (KNA). 80 Available online xxx 16 Production and hosting by ELSEVIER. All rights reserved. 81 17 Keywords: 82 18 Paederini 83 19 Paederinae 84 20 Staphylinidae 85 New record 21 86 Korea 22 87 23 88 24 89 25 90 26 Q2 Introduction Results 91 27 92 28 The subfamily Paederinae Fleming, 1821 is recognized by head Subtribe Astenina Hatch, 1957 (Korean name: 곰보개미반날개 93 29 more or less constricted posteriorly, antennae inserted along the 아족(신칭)) 94 30 anterior margin of the head, insertions concealed in dorsal view; Genus Astenus Dejean, 1833 곰보개미반날개속 95 31 hind coxa narrow, triangular, its apex strongly projecting posteri- 96 32 orly; pronotum with a large, opaque procoxal process of the pro- Astenus chloroticus (Sharp, 1874) (Korean name: 노란곰보개미반날 97 33 notal hypomeron (Cameron, 1931, Newton et al., 2000). 개(신칭)) (Figures 1A, 2A and 2B) 98 34 Okamoto (1924) reported firstly Paederine in Korea, with Pae- 99 35 derus parallelus Weise, 1877. After that, 23 genera and 39 species Sunius chloroticus Sharp, 1874:74. 100 36 were recognized in Korean fauna so far. Astenus chloroticus: Adachi, 1955:19;Smetana, 2004: 583; 101 37 I examined the specimens of Paederinae recently from Natural Shibata et al., 2013:151. 102 38 History Museum of Hannam University and Insect Collection of 103 39 fi 104 Chungnam National University recently. As a result, ve species Diagnosis 40 105 [Astenus chloroticus Sharp, 1874, A. setifer Cameron, 1930, Medon Body length 5.0e5.3 mm, body yellowish brown, antenna and 41 106 submaculatus Sharp,1889, Thinocharis japonica Bernhauer, 1909 and legs yellow and paler than body. Head subquadrate, longer than 42 fi 107 Scopaeus curraxoides Adachi, 1955] are identi ed as new to Korea. width, wider than pronotum, densely and coarsely punctured, 43 fi 108 The genus Thinocharis Kraatz, 1859 is reported rstly in Korean posterior area with four long black setae; temple slightly longer 44 109 fauna. So total of 44 species are listed up in Korean Paederinae fauna than eye; antennae rather long and slender, each antenomere 45 fi 110 by addition of ve species. The photographs of adult habitus and longer than wide. Pronotum slightly narrower than the elytra, 46 111 illustrations of male genitalia of these species are provided here. longer than width, narrowed posteriad, punctuation as same as 47 112 head, anterior margin smoothly rounded and bearing several long 48 113 black setae. Elytra slightly longer than pronotum, rather coarsely 49 * Tel.: þ82 42 629 7699. 114 punctured, posterior margin with several long black setae. Poste- 50 E-mail address: [email protected]. 115 rior margin of abdominal sternite 8 of male broadly and smoothly 51 Peer review under responsibility of National Science Museum of Korea (NSMK) and 116 Korea National Arboretum (KNA). emarginated, compacted with short spines along the margin. 52 117 53 http://dx.doi.org/10.1016/j.japb.2014.04.003 118 54 2287-884X/Copyright Ó 2014, National Science Museum of Korea (NSMK) and Korea National Arboretum (KNA). Production and hosting by ELSEVIER. All rights reserved. 119

Please cite this article in press as: Cho YB, Five paederine species (Coleoptera: Staphylinidae: Paederinae) new to Korea, Journal of Asia-Paciﬁc Biodiversity (2014), http://dx.doi.org/10.1016/j.japb.2014.04.003 JAPB12_proof ■ 29 April 2014 ■ 2/4

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1 Astenus (Eurysunius) setifer Cameron, 1930 (Korean name: 뚱보개 66 2 미반날개(신칭)) (Figure 1B) 67 3 68 4 Astenus setifer Cameron, 1930:206;Imasaka and Ito, 2006: 33. 69 5 Astenus (Astenopleuritus) setifer: Smetana, 2004: 581. 70 6 Astenus (Eurysunius) setifer: Shibata et al., 2013:151. 71 7 72 8 Diagnosis 73 9 Body length 3.4e4.0 mm, slightly shining, head and pronotum 74 10 reddish black, elytra reddish brown, abdomen black, antenna and 75 11 legs reddish brown. Head wider than long, widened posteriad, as 76 12 wide as pronotum, base emarginated, with fine and dense punc- 77 13 tures bearing a short yellow hair; eye small; temple about two 78 14 times longer than eye. Pronotum transverse, the lateral sides 79 15 almost parallel, surface with sculpture consisting of dense small 80 16 granules, with fine and dense punctures bearing a short yellow hair. 81 17 Elytra as long as and slightly wider than pronotum, with fine and 82 18 dense punctures bearing a short yellow hair. 83 19 84 20 Materials examined 85 21 Gyeongbuk: 1 ex, near Yusangdaeji pond, Yusang-ri, Buksan- 86 22 myeon, Yeongcheon, 22. vii. - 5. viii. 2004, Y.B. Cho, ex) grass land by 87 23 pit-fall trap. Q3 88 24 89 25 Distribution 90 26 Korea, Japan. 91 27 92 28 Remarks 93 29 This species is totally different with Korean Astenus species by 94 30 body robust shape in while the latter with elongate shape. Only one 95 31 specimen of this species was examined. 96 32 97 33 Subtribe Medonina Casey, 1905 (Korean Name: 넓적가슴반날 98 34 개아족) 99 35 Genus Medon Stephens, 1833 (Korean name: 등납작개미반날 100 36 개속) 101

37 Figure 1. Adult habitus. A: Astenus chloroticus (4.6 mm); B: A. setifer (4.3 mm); C: 102 38 Medon submaculatus (4.0 mm); D: Thinocharis japonica (2.8 mm); E: Scopaeus currax- Medon submaculatus Sharp, 1889 (Korean name: 검은무늬등납작개 103 39 oides (3.5 mm). 미반날개(신칭)) (Figures 1C, 2C and 2D) 104 40 105 41 Medon submaculatus Sharp, 1889:266;Adachi, 1955: 23; 106 42 Smetana, 2004: 608; Shibata et al., 2013: 158. 107 43 Aedeagus: median lobe elongate, narrowed from apical third to 108 44 apex but subapical area slightly dilated and apex blunt in ventral Diagnosis 109 45 view, apex strongly bent dorsally in lateral view. Body length 3.8e4.5 mm, shining, head reddish brown, prono- 110 46 tum and elytra yellowish brown, antenna and legs yellowish 111 47 Materials examined brown. Head quadrate, almost as long as wide, finely and densely 112 48 Gangwon-do: 1 ex, Obong-ri, Goseong-gun, 29. iv. 1997, T.S. punctuate, mostly as wide as pronotum, eye moderately large, as 113 49 Gwon; Gyeonggi-do: 1 ex, Daecheongdo Island, Ongjin-gun, long as temple. Pronotum transversely subquadrate, slightly nar- 114 50 Inchon-si, 14. vii. 2007, Y.B. Cho; 1 ex, Seokmodo Island, Maeeum- rowed posteriad, densely and finely punctured, with longitudinal 115 51 ri, Ganghwa-gun, 10. viii. 2007, Y.B. Cho; Chungbuk: 1 ex, impunctate midline. Elytra densely and finely punctured, with large 116 52 Ohyang-ri, Eumseong-gun, 17. viii. - 6. ix. 2003, Y.B. Cho; 1 ex, dark mark at latero-median area, slightly wider than pronotum, 117 53 Jangeup-myeon, Goesan-gun, 8. vii. 2006; 1 ex, Minjujisan Moun- apical area paler. Abdomen reddish brown but sengments 6 and 8 118 54 tain, Yeongdong-gun, 7. ix. 1997, Y.B. Cho; Chungnam: 1 ex, Campus reddish black, posterior margin of abdominal sternite 8 of male 119 55 of Chungnam University, Daejeon, 19. v. 2002, J.S. Park; 1 ex, broadly and shallowly emarginated. 120 56 Campus of Chungnam University, Daejeon, 20. v. 2002, J.S. Park and Aedeagus: Ventral process widened apically, left side of apical 121 57 J.H. Choi; 1 ex, Campus of Chungnam University, Daejeon, 27. area rolled toward inside, ventral process with small process at 122 58 v. 2002, J.S. Park and J.H. Choi; 1 ex, Gyerongsan Mountain, Banpo- lateral half in lateral view, dorsal process very thin and sharp in 123 59 myeon, Gongju, J.S. Park and J.H. Choi; Jeonnam: 1 ex, Hataedo Is- lateral view. 124 60 land, Sinan-gun, 25. vii. 2005, Y. B. Cho; Gyeongnam: 1 ex, Yuldo 125 61 Island, Samhwa-ri, Yongnam-myeon, 27. vi. 2006, S.M. Yoon; 1 ex, Materials examined 126 62 Baekyangsan Mountain, Busanjin-gu, Busan, 2. ix. 2002, M.B. Choi. Gangwon-do: 4 exs, Myeongpa sand beach, Myeongpa-ri, 127 63 Hyeongnae-myeon, Goseong-gun, 18. ix. 2012, K.S. Oh and Y.B. 128 64 Distribution Cho; 1 ex, Gulbausa Temple, Gwangsan-ri, Ganseong-eup, 129 65 Korea, China, Japan, Taiwan. Goseong-gun, 18. vii. 2012, K.S. Oh and Y.B. Cho, ex) near stream. Q4 130

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1 66 2 67 3 68 4 69 5 70 6 71 7 72 8 73 9 74 10 75 11 76 12 77 13 78 14 79 15 80 16 81 17 82 18 83 19 84 20 85 21 86 22 87 23 88 24 89 25 90 26 91 27 92 28 93 29 94 30 95 31 96 32 97 33 98 34 99 35 100 36 101 37 102 38 103 39 104 40 105 41 106 42 107 43 Figure 2. Male genitalia. Astenus chloroticus: A. ventral view, B. lateral view; Medon submaculatus: C. ventral view, D. lateral view; Thinocharis japonica: E. ventral view, F: lateral 108 44 view; Scopaeus curraxoides: : G. ventral view, H: lateral view. Scales ¼ 0.07 mm. Q6 109 45 110 46 111 47 Distribution two antennomeres very thicker than the others. Pronotum trans- 112 fi 48 Korea, Japan, Taiwan. versely subquadrate, narrower than head or elytra, nely and 113 49 densely punctured, with longitudinal impunctate midline. Elytra 114 Thinocharis 굵은더듬이개미 fi 50 Genus Kraatz, 1859 (Korean name: nely and densely punctured, basal area paler. Posterior margin of 115 반날개속 신칭 51 ( )) abdominal stenite 8 of male sinuated strongly. 116 52 Aedeagus: median lobe narrowed from basal half to apex, apical 117 53 Thinocharis japonica Bernhauer, 1909 (Korean name: 굵은더듬이개 area round plate- shaped, middle area with longitudinal groove in 118 54 미반날개(신칭)) (Figures 1D, 2E and 2F) ventral view, apical area bent dorsally and ventral margin sinuate, 119 55 apex sharp in lateral view. 120 56 Thinocharis japonica Bernhauer, 1909; 199; Adachi, 1955:21; 121 57 Smetana, 2004:611;Shibata et al., 2013: 159. Materials examined 122 58 Thinocharis brevicornis Bernhauer, 1907: 381 (Homonym). Gyeonggi-do: 6 exs, Cheonggyesan Mountain, Cheonggye-dong, 123 59 Uiwang, 20. ix. 2000, U.S. Hwang and H.J. Kim; Gangwon-do: 4 exs, 124 60 Diagnosis Osaekyaksu, Seo-myeon, Yangyang-gun, 31. vii. - 15. ix. 2002, S.J. 125 61 Body length 2.5e2.8 mm, slightly shining, head black, prono- Park and C.W. Shin and S.J. Park; 1 ex, Baekamsan Mountain, 126 62 tum, elytra and abdomen reddish brown, antenna and legs Hongcheon-gun, 25. v. - 20. vi. 2002, K.J. Ahn and S.J. Park; 127 63 yellowish brown. Head subquadrate, slightly longer than wide, Chungbuk: 1 ex, Songrisan Mountain, Ssanggok-ri, Goesan-gun, 30. 128 64 widened posteriad, finely and densely punctured, wider than pro- vi. 2006, H.H. Min; Chungnam: 1 ex, Mansusan Mountain, Oesan- 129 65 notum; eye very small; temple over 2.5 times longer than eye; first myeon, Buyeo-gun, 19. vii. 1999, K.J. Ahn; 3 exs, Campus of 130

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1 Chungnam University, Daejeon, 18. vi. - 15. vii. 2003, J.H. Choi, D.H. Mountain, Gurye-gun, 31. v. 2002, S.J. Park and J.S. Park; Gyeong- 66 2 Lee and S.M. Choi; 2 exs, same locality, 15. vii. - 28. vii. 2003, J.H. buk: 1 ex, Mungyeongsaejae Provincial Park, Mungyeong-si, 8. v. 67 3 Choi, D.H. Lee and S.M. Choi; 1 ex, Sanan-ri, Geumsan-gun, 10. vi. - 1999, Y.B. Cho; 1 ex, Juwangsan Mountain, Cheongsong-gun, 28-29. 68 4 13. vii, 2006, Y.B. Cho; 2 exs, Munbong-ri, Myeongcheon-myeon, vi. 1987, Y.B. Cho. 69 5 Dangjin-gun, 7. vi. 2006, S.J. Park and D.H. Lee. 70 6 Distribution 71 7 Distribution Korea, Japan. 72 8 Korea, Japan. 73 9 74 Remark 10 Subtribe Scopaeina Seidlitz, 1889 (Korean name: 둥근가슴개미 75 This species is very similar to S. currax but the latter (3.8e 11 반날개아족(신칭)) 76 4.2 mm) is clearly larger than the former (3.4e3.6 mm). 12 Genus Scopaeus Erichson, 1839 둥근가슴개미반날개속 77 13 78 14 Scopaeus curraxoides Adachi, 1955 (Korean name: 작은둥근가슴개 Acknowledgements Q5 79 15 미반날개(신칭)) (Figures 1E, 2G and 2H) 80 16 I would like to thank Prof. K.-J. Ahn who is in Chungnam Na- 81 17 Scopaeus curraxoides Adachi, 1955: 26; Smetana, 2004:616; tional University for valuable samples. This study was supported by 82 18 Shibata et al., 2013: 159. a grant from the National Institute of Biological Resources (NIBR). 83 19 84 20 Diagnosis References 85 21 Body length 3.4e3.6 mm, body reddish brown, shining and 86 22 covered with very fine and dense punctures and pubescence, an- Adachi T. 1955. Systematic study on the subfamily Paederinae of Staphylinidae of 87 Japan. Journal of the Tôyô University 7:11e36. 23 tenna dark brown, legs yellowish brown. Head quadrate but slightly Bernhauer M. 1907. Zur Staphylinidenfauna von Japan. Verhandlungen der Kaiserlich- 88 24 longer than wide, slightly wider than pronotum, lateral sides par- Königlichen Zoologisch-Botanischen Gesellschaft in Wien 57:371e414. 89 25 allel, temple two times as long as eye. Pronotum subtrapezoid, Bernhauer M. 1909. Neue Staphyliniden der palaearktischen Fauna. Entomologische 90 Blätter 5:197e201. 26 slightly shorter than elytra, with impunctate midline, paler than Cameron M. 1930. New species of Staphylinidae from Japan. The Entomologist’s 91 27 head, posterio-middle area shallowly emarginated with slightly Monthly Magazine 66:205e208. 92 28 elevated midline. Elytra slightly wider than pronotum, lateral sides Cameron M. 1931, . The fauna of British India including Ceylon and Burma. Coeloptera, 93 Staphylinidae, vol. 2. London: Taylor and Fancis. 257pp. 29 rather parallel, apical third margin light brown. Apical margin of Casey TL. 1905. A revision of the American Paederini. Transactions of the Academy of 94 30 abdominal sternite 8 of male sinuate strongly. Science of St. Louis 15:17e248. 95 31 Aedeagus: apical lobes slightly widened toward the apex, Dejean PFMA. 1833. Catalogue des Coléoptères de la collection de M. le comte Dejean. 96 Paris: Méquignon-Marvis Père et Fils. 176 pp. 32 asymmetric shape; in ventral view, right apical lobe slightly longer Erichson WF. 1839. Genera et species staphylinorum insectorum coleopterorum fam- 97 33 than left one, its apex strongly widened like hook, median lobe with iliae. Berlin: Erster Band. F. H. Morin. pp. 1e400. 98 34 two bar-shaped portions of proximal half of dorsal lobe, in lateral Fleming J. 1821. Insecta,InSupplement to the fourth, fifth, and sixth editions of the 99 35 Encyclopedia Britannica, with preliminary dissertations on the history of the sci- 100 view, left portion bent ventrally and its apex sharp, the right ences, vol. 5. Edinburgh: Archibald Constable and Company. pp. 41e56. 36 portion bent dorsally and its apex blunt. Hatch MH. 1957. The beetles of the Pacific Northwest. Part II: Staphyliniformia. Seattle: 101 37 University of Press. ix þ 384 pp. 102 38 Materials examined Imasaka S, Ito T. 2006. Seven unrecorded rove beetles (Staphylinidae, Coleoptera) 103 from Kyushu. Gekkan-Mushi No 425:33e34. 39 Gyeonggi-do: 1 ex, Chukryeongsan Mountain, Sudong-myeon, Kraatz G. 1859. Die Staphylinen-Fauna von Ostindien, insbesondere der Insel Cey- 104 40 Namyangju-si, 12-14. ix. 1999, U.S. Hwang; Gangwon-do: 8 exs, lan. Archiv für Naturgeschichte 25:1e196. 105 41 Jangsin-ri, Ganseong-eup, Goseong-gun, 17. v. 2012, K.S. Oh and Y.B. Newton AF, Thayer NK, Ashe JS, Chandler DS. 2000. 22. Staphylinidae. In: Arnett RH, 106 Thomas MC, editors. American Beetles. Archostemata, Myxophaga, Adephaga, 42 Cho; 6 exs, Gulbausa Temple, Gwangsan-ri, Ganseong-eup, Polyphaga: Staphyliniformia, vol. 1; 2000. pp. 272e418. 107 43 Goseong-gun, 18. ix. 2012, K.S. Oh and Y.B. Cho; 1ex, Balgyosan Okamoto H. 1924. The insects fauna of Quelpart Island. Bulletin of the Agricultural 108 44 Mountain, Cheongil-myeon, Hoengseong-gun, 4-5. vii. 1998, K.L. Experiment Station of Chosen 1 (2):159e229. 109 Seidlitz GKM von. 1889. Fauna Transsylvanica. Die Kaefer (Coleoptera) Siebenbürgens. 45 You; 1 ex, Punggok-ri, Gagok-myeon, Samcheok-si, 26. vii. 2012, K.S. [Lieferung 3-4: Gattungen, pp. 49e128, Arten, pp. 241e544]. Königsberg: Bar- 110 46 Oh and Y.B. Cho; 1 ex, Myeongpa sand beach, Myeongp-ri, tungsche Verlagsdruckerei. 818 pp. 111 47 Hyeonnae-myeon, Goseong-gun, 18. ix. 2012, K.S. Oh and Y.B. Sharp DS. 1874. The Staphylinidae of Japan. Transactions of the Entomological Society 112 of London 1874:1e103. 48 Cho; Chungbuk: 8 exs, Joryeong Forest Resort, Suanbo-myeon, Sharp DS. 1889. The Staphylinidae of Japan. Annales and Magazine of Natural History 113 49 Chungju-si, 8. vii. 2006, H.K. Min; 4 exs, Songrisan Mountain, 6 (3):249e267. 114 50 Ssanggok-ri, Goesan-gun, 30. vi. 2006, H.H. Min; 2 exs, Suryong Shibata Y, Maruyama M, Hoshina H, Kishimoto T, Naomi S-I, Nomura S, Puthz V, 115 51 Shimada T, Watanabe Y, Yamamoto S. 2013. Catalogue of Japanese Staph- 116 Waterfall, Suryong-ri, Noeun-myeon, Chungju-si, 25. vii. 2006, Y.B. ylinidae (Insecta: Coleoptera). Bulletin of the Kyushu University Museum No. 52 Cho; 1 ex, Minjujisan Mountain, Yeongdong-gun, 7. ix. 1997, Y.B. 11. pp. 69e218. 117 53 Cho; 7 exs, Obongsan Mountain, Goesan-eup, Goesan-gun, 7. vii. Smetana A. 2004. Family Saphylinidae: Omaliinae, Proteininae, Micropeplinae, 118 54 2006, H.K. Min; Chungnam: 1 ex, Nami Natural Recreation Forest, Dasycerinae, Phleocharinae, Olisthaerinae, Tachyporinae, Trichophyinae, Hab- 119 rocerinae, Aleocharinae, Trigonurinae, Apaticinae, Piestinae, Osoriinae, Oxy- 55 Geoncheon-ri, Nami-myeon, Geumsan-gun, 4. viii. 2004, Y.B. Cho; 2 telinae, Oxyporinae, Megalopsiinae, Steninae, Euaesthetinae, Leptotyphlinae, 120 56 exs, Chilgapsan Mountain, Daechi-myeon, Cheongyang-gun, 16. vi. Pseudopsinae, Paederinae, Staphyliniae. In: , Löbl I, Smetana A, editors. Cata- 121 e 57 2007, Y.B. Cho; 1 ex, Seongdang-ri, Chubu-myeon, Geumsan-gun, 3. logue of Palaearctic Coleoptera, vol. 2. Stenstrup: Apollo Books. pp. 579 624. 122 Stephens JF. 1833. The nomenclature of British insects; together with their synonymes: 58 vii. 2002, Y.B. Cho; 6 exs, Dodeokgol, Wolga-ri, Sagok-myeon, being a compendious list of such species as are contained in the Systematic 123 59 Gongju-si, 30. v. 2007, Y.B. Cho; Jeonbuk: 1 exs, near Wolmyeongsa Catalogue of British Insects, and of those discovered subsequently to its publication; 124 60 Temple, Naebyeonsan Mountain, Byeonsan-myeon, Buan-gun, 29. forming a guide to their classification, &c. &c. Second edition. London: Baldwin 125 and Cradock. iv pp. þ 136 culumns. 61 v. 2001, Y.B. Cho; 3 exs, near Jikso Waterfall, Byeonsan-myeon, Weise J. 1877. Zwei neue japanische Staphylinen. Deutsche Entomologische Zeitschrift 126 62 Buan-gun, 30. v. 2001, Y.B. Cho; Jeonnam: 8 exs. Piagol, Jirisan 21:367e368. 127 63 128 64 129 65 130