Four new species from three genera of Agraeciini from Malay Peninsula are described: Paragraecia temasek sp. n., Peracca mirzai sp. n., Peracca macritchiensis sp. n. from Singapore, and Lichnofugia malaya sp. n. from Peninsular Malaysia. The first records and descriptions of the female of Liara alata Ingrisch, 1998 and the male of Paragraecia gracilis Ingrisch, 1998 are given.
The taxonomy of poorly known Mesagraecia Ingrisch, 1998 is reviewed. A new species of Mesagraecia spine-headed katydid (Conocephalinae: Agraeciini) is described from Bukit Larut, Perak, Peninsular Malaysia: Mesagraecia larutensis sp. n. A key to species is also presented.
Based on an orthopteran survey in different parts of western Sabah, a total of 24 species from 16 genera are reported here, i.e., three species from one genus of Elimaeini, 14 species from nine genera of Holochlorini and three species from two genera of Mirolliini. Among them, four species of Holochlora new to science are described from Mount Trus Madi: Holochlora bulbosa Tan, Liu & Ingrisch, sp. nov., Holochlora falcata Tan, Liu & Ingrisch, sp. nov., Holochlora bispinosa Tan, Liu & Ingrisch, sp. nov. and Holochlora cratera Tan, Liu & Ingrisch, sp. nov. One new genus of Holochlorini is described from Mount Trus Madi: Pulchrapsyra cyanea Tan, Liu & Ingrisch, gen. et sp. nov. One species of Deflorita (Separita) new to science from Mount Trus Madi is described: Deflorita (Separita) extensa Tan, Liu & Ingrisch, sp. nov.