5, see text Hypacostemma is a genus of leafhoppers in the subfamily Deltocephalinae.

It is the only genus in the tribe Hypacostemmini.

Hypacostemma contains at least 5 described species distributed throughout Southern Africa.

Hypacostemma are usually large greenish leafhoppers with a length between 7-10 mm.

There are currently 5 described species in Hypacostemma:[1][2]