Four New Species of Cicadas in the Yoyetta abdominalis (Distant) Species Group (Hemiptera: Cicadidae: Cicadettinae) from Southeastern Australia Popple, Lindsay W. Emery, David L. Records of the Australian Museum 2020 2020-08-12 72 4 123 147 5CSKJ [722,1015,179,210] Insecta Cicadidae Yoyetta Animalia Hemiptera 22 145 Arthropoda species abdominalis   1 Abdominal tergites 2–8 and sternites II–VII uniformly black or brown without orange- or yellow-brown markings; inter- segmental membranes dark and inconspicuous ......................................................................... 2 ACKNOWLEDGEMENTS. Specimens were collected under NSW Department of Environment, Energy and Science collecting permits S11011, SL 100650(DE and LWP) and SL 100704(LWP), and QueenslandDepartment of Environment and Science permit WITK15549915 (LWP). Specimens of  Y. douglasisp nov., from the Grampians were collected by Fabian Douglas under research permit 10000667 from the Victorian Department of Sustainability and Environment. Ms Hannah Matthews was commissioned to prepare drawings of the genitalia. Federica Turco and Beth Mantle (ANIC), Susan Wright and Karin Koch (QM), Derek Smith (AM) and Peter Hudson (SAM) either provided access to, or received specimens. Ben Parslow (SAM) kindly obtained additional measurements and data from specimens stored in the SAM. Max Moulds gave access to specimens in his private collection. Dave Marshall and Kathy Hill generously provided access to their collection of calling song recordings and Nathan Emery assisted with several figures. Max Moulds and Shane McEvey provided constructive comments, which improved the manuscript.