Provides detailed keys to families, subfamilies and genera of Australian dragonflies, with information on distribution and habitat, as well as a section on the biology of dragonflies and conservation measures. Illustrated with black-and-white diagrams of anatomical features, and colour photographs of adult dragonflies. Includes descriptions of new genera, species and subspecies, references and an index. Watson, and co-authors G Theischinger and H M Abbey, are highly experienced entomologists who have published many scientific papers on dragonflies.