Green or brown. Antennae are longer than body, thin, delicate. Head bent down towards thorax. Wings rudimenary and used only for stridulation. Hindlegs large. Tibia of front legs have hearing organs on inside. Legs long in proportion to slim, elongated body.
Found mainly on trees and bushes, sometimes in grass. Feeds mostly on living plant matter. Eggs laid in living plant tissue.

Endemic to southern Africa, mostly in arid areas.

Wings are rubbed together to produce sounds which range from loud rasping to a continuous trill.