Worm on Spekboom (Elephants food)

Worm on Spekboom (Elephants food)

Observation - Worm on Spekboom (Elephants food) - Southern Africa. Description: Please give me the name of this worm. It looks exactly like a branch of the spekboom. It is perfectly still. You cannot see it in the day. It looks the same than the branch of the spekboom. I saw it at night when my flashlight caught the little web. Th

Please give me the name of this worm. It looks exactly like a branch of the spekboom. It is perfectly still.
You cannot see it in the day. It looks the same than the branch of the spekboom.
I saw it at night when my flashlight caught the little web.
There were a few of the leaves that were already eaten away.