Acostemminae
Range: East Africa, Madagascar, Sri Lanka.
Known diversity: 7 genera, 20 species.
Ecology: Unknown; inhabiting forests.
Diagnosis: Medium to large leafhoppers; head weakly produced with transverse carina between ocelli, ocelli on anterior margin of crown near eyes, antennal ledge weak or absent; forewing venation complete, usually with supranumerary crossveins; hind femur macrosetal formula usually 2+2+1; male valve fused to pygofer, plates at least partially fused medially.
Similar to: Deltocephalinae.