Cyphonia cabetteae sp. n. and C. xavantina sp. n., both from Nova Xavantina, Mato Grosso, are described and illustrated. These two new species are very close to Cyphonia intermedia Sakakibara, 1968 and to Cyphona clavata (Fabricius, 1787), concerning their overall aspects.
Homoptera; Membracidae; Smiliinae; Cyphonia; descriptions