Polygrammodes hyalosticta is a moth in the family Crambidae. It is found in Indonesia, where it has been recorded from the Natuna Islands.[1]
The wingspan is about 26 mm. The forewings are bright yellow, with a purplish red basal third, conjoined on the costal area to a triangular patch which is edged with red. There is a quadrate hyaline spot in the end of the cell, as well as a subterminal series of red points. The hindwings are bright yellow, with a purplish red basal third. There is an irregularly waved postmedial red line between veins 7 and 2, with a red point above vein 5, as well as a waved sinuous subterminal line.[2]