Black ant with white markings on back

Black ant with white markings on back

Observation - Black ant with white markings on back - Southern Africa. Description: Solitary black ant? with apparent white makings on its back walking all over the plant. I have a short vidwo which shows the ant clearly but I fail to load it> File too large

Solitary black ant? with apparent white makings on its back walking all over the plant. I have a short vidwo which shows the ant clearly but I fail to load it> File too large