New distributional record of Cercyon (Cercyon) numerosus (Coleoptera, Hydrophilidae) from Oki Islands off northwestern Honshu, Japan

2009·1 MB·

by  Ohara, Masahiro

AdditionstoPlesiophthalmusanditsAlliedGenera,4 141
- ,K.AKITA&C.-F.LEE,2008.NewtenebrionidbeetlesfromTaiwan(3).Ent.Rev.Japan,62:213-
222.
PIc,M.,1915.Generesnouveaux,EspecesetVarietesnouvelles.MaExot.-ent.,Moulins,(16):2-13.
- 1917.Descriptionsabregeesdiverses.Ibid., (23): 1-20.
- 1922.Sur lesHeteromeresAmarygminae(Col).Bull.Soc.zool.Fr.,1922:303-306.
- 1925.Nouveautesdiverses.MaExot.-ent.,Moulins,(44): l-32.
- 1930.Ditto. Ibid., (56):1-36.
Elytra,Tokyo,37(1):141-142,May29,2009
NewDistributional RecordofCercyon (Cercyon)numerosus
(Coleoptera,Hydrophilidae) fromOki Islands
offNorthwesternHonshu,Japan
MasahiroOHARA1)andJun'lobi FUJIWARA2)
l)TheHokkaidoUniversityMuseum,HokkaidoUniversity,N10W8,Sapporo,060-0810Japan
2)LaboratoryofInsectScience,DepartmentofBiologicalandEnvironmentalScience,
GraduateSchoolof AgriculturalScience, KobeUniversity,
Nada, Kobe,657-8501Japan
Ce「even (Cercyon) rlumerosus SHATRovsKIY, 1989 has been described from Primorsky
Kray,Russia(typelocality)andMisaki,Kyushu,Japan(SHATRovsKIY,1992). Thespecieswas
additionally recorded from Kuri1 Islands, Hokkaido and its peripheral Islands, Japan
(SHATROVSKIY, 1989, 0HARA&JIA, 2006, KILS,1999andOHARA, 2008),but not from
Honshu,Japan. Underaseriesoffaunalresearchesofthesupralittora1insectsoftheOki Islands
offHonshu,wehavehadtheopportunitytoexamineasinglespecimencollectedunderseaweeds
onashinglebeach. Thisisthefirstrecordof thisspeciesfromtheHonshuregion,Japan. we
thankMses.Y.KAwAKAMIandK.NUMATAwhoprovidedcommentsandhelpedwithfieldwork.
Cercyon (Cercyon)numerosusSHATRovsKIY, l989
Ce「even (Ce「even)nume「oSuSSHATROVSKIY,1989,281 [Primorskiy;Kyushu];0HARA&JIA,2006, 134
[redescription,key].
Cercyo1tsp: KAwAKAMIeta1.,2009,154[Doge,0kiIslands].
Specimene)camined. [Doge(Island),0kiIslandsoffnorthwesternHonshu,Japan]1male,
nearObomi-bashi,RivermouthofSenji-gawa(river),0kino-shima-cho,36° 11'24〟NI33°14'41″E,
12-X-2008,J.FUJIWARAand K.NUMATAleg.,underseaweedsonashinglebeach.
142 MasahiroOHARAandJun'ichiFUJIWARA
Fig. 1. HabitatofCercyonnumerosus,atDoge, 0ki Islands,Japan
References
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