Apple Photos tells me this is probably a South African Praying Mantis.

Green praying mantis on a dark wall.

And that this is:

Dasypodia cymatodes, the northern old lady moth or northern wattle moth, is a moth of the family Noctuidae. The species was first described by Achille Guenée in 1852. It is found in Australia, and is self introduced in New Zealand. The wingspan is about 80 mm. The larvae feed on Acacia species.

Northern Old Lady Moth.