Mesopsestis has greyish white suffused with brownish except on the costal area 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. 
