Revision of the genus Amarygmus Dalman, 1823 and related genera. Part LVII. New species of Amarygmus, Cephalamarygmus and Sylvanoplonyx from the Malayan Peninsula and Sumatra with checklist of the species of the genera Amarygmus, Cephalamarygmus, Cerysia, Sylvanoplonyx and Plesiophthalmus of the Malayan Peninsula and of Sumatra. (Coleoptera: Tenebrinidae [Tenebrionidae], Tenebrioninae, Amarygmini). Mitteilungen Muenchener Entomologischen Gesellschaft, 100, 15 Oktober 2010: 31-96. 41 [Zoological Record Volume 147]