Abstract
The Pediacus Shuckard fauna of Asia and Australasia is revised. Eighteen species are recorded, described and illustrated from the regions and a key to species is provided. Nine new species are described: Pediacus australis sp. nov. (Australia, Papua New Guinea, Philippines, Thailand), P. carinatus sp. nov. (Indonesia, Malaysia, Thailand), P. fujianensis sp. nov. (China), P. japonicoides sp. nov. (Taiwan); P. leei sp. nov. (Taiwan), P. pendleburyi sp. nov. (Malaysia), P. sinensis sp. nov. (China), P. taiwanensis sp. nov. (Taiwan) and P. thomasi sp. nov. (Taiwan). A checklist of the Pediacus fauna of the world is given, listing a total of 31 species.