Notes on Otiocerinae with description of a new tribe from Madagascar and Africa [Hemiptera: Fulgoromorpha: Derbidae]

A key to Derbidae subfamilies and tribes of Otiocerinae is given. A new tribe of Otiocerinae (Derbidae) planthoppers, Aquaeliciini trib. nov., is established to comprise a few genera from the African continent and Madagascar. The tribe Patarini Emeljanov, 1994 is redefined and key to the genera is given. New genera: Ileifea gen. nov. for Patara radiata Synave, 1979, comb, nov., and Muiravea gen. nov., for Patara hargreavesi Muir, 1930, comb, nov., from Africa are described. Three new genera from Madagascar: Ravola gen. nov., Razanus gen. nov. and Vizimbum gen. nov., are described and new species: Vizimbum constanti sp. nov., Vizimbum lakandavaensis sp. nov., Razanus beniowskii sp. nov. and Ravola pennyi sp. nov. are described. An annotated checklists of Aquaeliciini and Patarini with data on distribution are given. New localities of Patara vanduzei Ball, 1902 from North America are presented.