The genus
Order Coleoptera Linnaeus, 1758
Family Staphylinidae Latreile, 1802
Genus Philonthus Stephens, 1829
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1*Philonthus liopterus Sharp, 1889 (Fig. 1)
Korea: Gangwon Province: 1♂, Pyeongchang-gun, Jinbu-myeon, Mt. Odaesan near Dongdaesa, Alt. 800 m, 21 Jun-2 Aug 2006, 37°44'31''N, 128°35'71''E,
Body length 8.3-9.0 mm, body black but elytra reddish black, strongly glossy, antennae and legs reddish brown. Head suborbiculate, eyes slightly prominent, antenomeres 6-10 wider than long. Pronotum subquadrate but slightly narrowing posteriorly, dorsal rows each with four punctures. Elytra piceous black and sparsely punctuate. Medain lobe of aedeagus very elongate and apical area very sharp, paramere short and apical area very sharp like needle; middle area trapezoidal and dense sensory peg setae present underside.
Korea, Japan, Russia, and Tajikistan.
This species is identified easily from the other members of Korean
Korean name: 1*광택좀반날개(신칭)