Desmia parastigma Wikipedia
Desmia parastigma is a moth in the Crambidae family. It is found in Panama and Costa Rica.
The wingspan is about 29 mm. The forewings are black with two white hyaline spots. The costa of the hindwings is washed with sordid whitish and there is a little white dash across the cell, as well as a long whitish streak from the subcostal area to the tornus.