Syngamia violescentalis is a moth in the family Crambidae. It was described by George Hampson in 1895. It is found in Grenada.[1]
The wingspan is about 10 mm. Adults are dark purplish grey, the wings irrorated (sprinkled) with bright scales. There is a nearly straight medial rufous line and curved postmedial line. The hindwings have a nearly straight medial line and obliquely curved postmedial line. Both wings have a pure white cilia, with a dark line at base.[2]