Abstract
The megophthalmine leafhopper genus Onukigallia Ishihara is revised. Five species of this genus occurring in the Palearctic and Oriental Regions are recognized, including one new species, Onukigallia matsumurai sp. nov., described from Yunnan Prov., China. Four other known species: O. arisana (Matsumura), O. fanjingensis Zhang & Li, O. onukii (Matsumura) and O. tenuis (Matsumura) are also diagnosed. A key to species of Onukigallia based on males is provided.