Pycnarmon meritalis is a moth in the family Crambidae. It was described by Francis Walker in 1859.[1] It is found in Democratic Republic of the Congo (Katanga, West Kasai), South Africa, Australia, China, Sri Lanka, India, Indonesia (Borneo, Java, Sulawesi, Sumatra), Taiwan[2] and Japan.
The wingspan is about 15 mm. Adults are white with several brown spots, mainly at the wing margins.[3]