Mesopsestis has greyish white forewings with black subbasal line.
The forewings are greyish white suffused with brownish except on the costal area. There is a black subbasal line and the antemedial band is greyish brown, broad and traversed by a double curved black line, preceded by a black wavy line which becomes indistinct towards the costa, and followed by a double, sinuous black line. 
