Six new species of Agrilus Curtis, 1825 (Coleoptera, Buprestidae, Agrilinae) from the Oriental region related to the emerald ash borer, A. planipennis Fairmaire, 1888 and synonymy of Sarawakita Obenberger, 1924. ZooKeys, 239 2012: 71-94. 75 [Zoological Record Volume 149]