Checklist of Tribe Megasternini Hansen, 1991 for Ryukyu Islands (Okinawa Prefecture, Japan)
Class | Insecta Linnaeus, 1758 Insects, True insects | 348 2667 4080 | Families Genera Species | Taxom | Subclass | Pterygota Lang, 1888 Winged insects | 348 2667 4080 | Families Genera Species | Taxom | Infraclass | Neoptera van der Wulp, 1890 Modern Wing-folding insects | 333 2610 3989 | Families Genera Species | Taxom | Superorder | Holometabola Heider, 1889 Holometabolous Insects | 220 2112 3277 | Families Genera Species | Taxom | Order | Coleoptera Linnaeus, 1758 Beetles, Coleopterans | 73 984 1617 | Families Genera Species | Taxom | Suborder | Polyphaga Emery, 1886 Polyphags | 68 881 1437 | Families Genera Species | Taxom | Infraorder | Staphyliniformia Lameere, 1900
| 9 249 604 | Families Genera Species | Taxom | Superfamily | Hydrophiloidea Latreille, 1802 Histerids, Hydriphiloids, Hydrophilids | 1 28 62 | Family Genera Species | Taxom | | Family | Hydrophilidae Latreille, 1802 Silver Water Beetles, Water beetles | 28 62 | Genera Species | Taxom | | Subfamily | Sphaeridiinae Latreille, 1802
| 7 21 | Genera Species | Taxom | | Tribe | Megasternini Hansen, 1991
| 4 14 | Genera Species | Taxom |
Genera for Ryukyu Islands 4 Genera with 14 Species
Species list for Ryukyu Islands 14 Species | Armostus crenulatus Régimbart, 1903 | | | Armostus nigricans Hoshina & Satô, 2006 | | | Armostus schenklingi Orchymont, 1914 | | | Cercyon (Cercyon) quisquilius Linnaeus, 1761 | Water scavenger beetle | | Cercyon (Paracycreon) laminatus Sharp, 1873 | Water scavenger beetle | | Cercyon algarum Sharp, 1873 | | | Cercyon aptus Sharp, 1873 | | | Cercyon dux Sharp, 1873 | | | Cercyon lineolatus Motschulsky, 1863 | | | Cercyon olibrus Sharp, 1874 | | | Cercyon yayeyama Chûjô & Satô, 1970 | | | Emmidolium excavatum Orchymont, 1937 | | | Oosternum okinawaense Hoshina, 2011 | | | Oosternum shigehisai Hoshina & Sa..., 2004 | |
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