A revision of the Pauropsalta annulata Goding & Froggatt species group (Hemiptera: Cicadidae) based on morphology, calling songs and ecology, with investigations into calling song structure, molecular phylogenetic relationships and a case of hybridisation between two subspecies. Zootaxa, 3730(1), Oct 25 2013: 1-102. 56 [Zoological Record Volume 150]