Proceedings of the Zoological Society of London, London, Academic Press, Australia, Arthropoda, Periodicals, Zoology, Hymenoptera, Perga, Pergidae, Australia, Pergachristii, Pergacameronii, Pergacressonii, Pergahalidaii, Pergajurinei, Pergamayrii, Pergakirbii, Pergachristii, Pergacameronii, Pergacressonii, Pergahalidaii, Pergajurinei, Pergamayrii, Pergakirbii, Arthropod., A detailed illustration showcasing various Australian species of perca. The image features eight distinct specimens labeled with numbers ranging from 1 to 8, each displaying unique physical characteristics such as variations in coloration and body structure. The topmost row includes five insects with differing hues and patterns, while the lower row presents three additional examples. Below the illustrations, the title 'AUSTRALIAN SPECIES OF PERCA' is prominently displayed, indicating the focus on this specific family of insects. The meticulous attention to detail emphasizes the diversity within these species.