The pill millipedes of Vietnam: a key to genera and descriptions of five new species (Diplopoda: Glomerida: Glomeridae) Author Nguyen, Anh D. Author Sierwald, Petra Author Marek, Paul E. text Raffles Bulletin of Zoology 2019 2019-04-16 67 260 297 journal article 10.26107/RBZ-2019-0020 2345-7600 4575924 C1D8A501-317A-4803-AEF8-EA16DFBFF3B2 Genus Rhopalomeris Verhoeff, 1906 Type species. Rhopalomeris carnifex ( Pocock, 1889 ) by subsequent designation. Remarks. The genus Rhopalomeris is strictly known from the mainland of southeast Asia ( Vietnam , Thailand , Malaysia ) with four described species ( Golovatch & Semenyuk, 2016 ). Two have been recorded from Vietnam : R. tonkinensis Silvestri, 1917 from Lang Son Province , northern Vietnam and R. variegata Golovatch & Semenyuk, 2016 from Gia Lai Province in the Highlands of Vietnam . The other two species are known from Thailand , Malaysia ( R. monacha Silvestri, 1917 ) and Myanmar ( R. carnifex Pocock, 1889 ). The genus is characterised by antenna having numerous apical sensory cones, antennomere 6 unusually large, trichosteles present in both the prefemur and femur of telopods. An identification key to Rhopalomeris species was recently provided by Golovatch & Semenyuk (2016) .