Chalcoela pegasalis, the wasp parasitizer moth, is a moth in the Crambidae family. It was described by Walker in 1859. It is found in Cuba, Jamaica, the French Antilles, Puerto Rico and from southern Ontario and Maryland to Florida, east to Texas and north to Illinois. The wingspan is 14-18 mm. The forewings are brown in the basal and terminal areas, but speckled with grey in the median area. Both the antemedial and postmedial lines are white. The hindwings are speckled grey with two blackish patches in the lower median area. Adults are on wing from May to September.