A revision of Trisunius V. Three new species and additional records, including the first records of the genus from Vietnam (Coleoptera: Staphylinidae: Paederinae) Author Assing, Volker text Linzer biologische Beiträge 2015 2015-12-30 47 2 1179 1190 journal article 10.5281/zenodo.5184218 0253-116X 5184218 1B5D39E8-8630-4AC0-A030-C93753FFF59A Trisunius cultellatus ASSING , 2011 ( Map 3 ) M a t e r i a l e x a m i n e d: China Y u n n a n: 13, 1♀ , mountains NW Dongchuan , 26°10'N , 103°04'E , 2350 m , trail margin, litter and soil between herbs sifted, 8.VIII.2014 , leg. Assing (cAss) ; 233, 2♀♀ , 3 exs. , E Kunming , Xiaobailong Forest Park , 24°56'N , 103°05'E , 2110 m , secondary pine forest, pine litter and litter at trail margin sifted, 10.VIII.2014 , leg. Assing & Schülke (cAss, cSch) ; 1 3, mountains W Dongchuan , Sedan Snow Mountain Scenic Resort , 26°06'N , 102°55'E , 2620 m , secondary pine forest, litter, moss, and roots of herbs sifted, 14.VIII.2014 , leg. Assing (cAss) ; 1♀ , mountain W Xundian , 25°35' N , 103°09'E , 2200 m , mixed forest with alder and pine, bark of rotting pine trunk with termites sifted, 15.VIII.2014 , leg. Assing (cAss). Vietnam : 13, 7 km NW Sa Pa , 22°22'N , 103°47'E , 1840 m , steep moist stream valley with bushes and trees, litter and roots of herbs sifted, 30.VII.2013 , leg. Wunderle (cAss) ; 13, pass 8 km WNW Sa Pa , 22°21'N , 103°46'E , 2010 m , secondary d eciduous forest with bamboo, forest margin with bushes, litter, moss, and roots sifted, 5.VIII.2013 , leg. Assing (cAss) ; 1 ♀ , same data, but 6.VIII.2013 (cWun) ; 333, 5♀♀ , pass 8 km NW Sa Pa , 22°21'N , 103°46'E , 2030 m , margin of secondary deciduous forest with bushes, bamboo, and herbs, litter, roots, and moss sifted, 9.VIII.2013 , leg. Assing & Wunderle (cAss, cWun) ; 1 ♀ , same data, but 10.VIII.2013 , leg. Assing (cAss) . C o m m e n t: This wing-dimorphic species is the most widespread representative of the genus in China , where it has been recorded from numerous localities in Yunnan and Shaanxi ( ASSING 2011 , 2013 , 2014 ). The above material represents the first records from eastern Yunnan and Vietnam ( Map 3 ). All the exam ined specimens from Vietnam are micropterous.