Abstract
Taxa of the fulgorid family Flatidae (Homoptera) occurring in Sri Lanka are reviewed. Thirty species are recorded under 18 genera. Keys, descriptions, illustrations and collection data are presented. One new genus Scarpuna Medler, with Scarpantina modesta Distant as the type species, is described. New synonymies are (junior synonym followed by senior synonym): Flata pallidior Melichar = Flatida marginella (Olivier); Scarpanta latipennis Kirby = Danavara tennentina (Walker); Colobesthes taprobana Kirkaldy = Pulastya acutipennis (Kirby); Paranotus maculosus Distant = Planata limbata (Distant); Hilavrita trimaculata Distant = Hilavrita fatua (Melichar); Ormenis conformis Melichar = Melicha-ria bisecta (Kirby); Ormenis fuscata Melichar = Ketumala nigropunctata (Kirby); Satapa tuberculosa Distant = Satapa sicula Distant; Bochara nebulosa Distant = Bochara parva (Kirby); Atracis latifasciata Melichar = Cerfennia emersoniana (Walker); Atracis clypeata Distant = Cerfennia erosipennis (Stål); Atracis greeni Distant = Cerfennia erosipennis (Stål); Atracis haragamensis Distant = Cerfennia erosipennis (Stål); Atracis consanguinea Distant = Cerfennia munita (Melichar); Atracis facialis Distant = Cerfennia munita (Melichar); Phalaenomorpha nietneri Stål = Cerfennia perplexa (Walker); Atracis atkinsoni Distant = Cerfennia perplexa (Walker); Atracis conspurcata Melichar = Cerfennia perplexa (Walker); Atracis subtilis Melichar = Gaja inconspicua (Kirby); Gaja definitiva Distant = Gaja inconspicua (Kirby); Gaja facialis Distant = Gaja inconspicua (Kirby).