The recognised Australian fauna, with 129 genera and 1105 species, represents 12% and 5% of the world's genera and species respectively. In the economically important family Elateridae, 667 valid species are recorded for Australia. This is the third of 14 proposed Catalogue volumes dealing with the Australian beetle fauna. It covers the families: *Rhinorhipidae *Brachyspectridae *Eucnemidae *Throscidae *Elateridae *Lycidae *Lampyridae *Cantharidae It includes some of the well known beetles commonly referred to as click beetles, fireflies or soldier beetles.