Scoparia ischnoptera is a moth in the family Crambidae.

It is found in Australia, where it has been recorded from Victoria.

The forewings are dark-grey with a blackish streak from the base to the middle along the fold.

There is a similar streak in the cell and there is some blackish subapical and subtornal suffusion.

The hindwings whitish, with a slight grey-whitish suffusion towards the apex.