Golovatch S.I.1, Nguyen Duc Anh2. 2007. Two new species of the millipede genus Platyrhacus C.L. Koch, 1847 from Vietnam (Diplopoda: Polydesmida: Platyrhacidae) // Arthropoda Selecta. Vol.15 (for 2006). No.3: 215–224 [in English].

1 Institute for Problems of Ecology and Evolution, Russian Academy of Sciences, Leninsky pr. 33, Moscow 119071 Russia. E-mail: sgolovatch@yandex.ru

2 Institute of Ecology and Biological Resources, Caugiay, Hanoi, Vietnam. E-mail: ndanh006@iebr.vast.ac.vn

Key words: Diplopoda, Platyrhacus, new species, Indochina, Vietnam.

Abstract. All earlier reports of Platyrhacus marginellus Silvestri, 1895 from Indochina are shown to have been misidentifications. This species is redescribed from the holotype from Sumatra, Indonesia. All previous records of Platyrhacus in Vietnam actually concern P. similis sp.n., a species apparently confined to south-central and central Vietnam. A different congener, P. borealis sp.n., lives in North Vietnam.

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