The forewings of Strepsigonia nigrimaculata are reddish grey with darker grey markings and indistinct lines, and are irregularly curved and dentate or having a toothlike or serrated edge.
The forewings are reddish grey with darker grey markings and indistinct lines. They are irregularly curved and dentate and the space between them is slightly darker. Denticulate (disambiguation) Denticulate is an adjective referring to something having teeth-like structures. 
