This study provides redescriptions of four medium-sized cicada species within the Y. abdominalis (Distant) species group, including Yoyetta aaede (Walker), Y. abdominalis, Y. denisoni (Distant) and Y. kershawi Goding & Froggatt stat. rev., comb. nov., from southeastern Australia. Eight new species of Yoyetta, belonging to this group are described, from eastern Australia. These are: Y. electrica sp. nov., Y. grandis sp. nov., Y. regalis sp. nov., Y. serrata sp. nov., Y. spectabilis sp. nov., Y. subalpina sp. nov., Y. timothyi sp. nov., and Y. verrens sp. nov. Sections describing morphological distinguishing features, distribution, habitat and behaviour, and calling songs (where available) are provided for each species with illustrations throughout. Additional locational records for Y. hunterorum (Moulds) are presented and its song described.