Adaina microdactyla is a moth of the Pterophoridae family. It has a wide distribution and is known from the Palearctic ecozone (from Europe to Korea, Japan and China), Asia Minor, Iran, Vietnam, the Solomon Islands, the Philippines, Sri Lanka, Indonesia and Papua New Guinea. It is also found in Africa, including the Democratic Republic of the Congo and Madagascar. The wingspan is 13–17 mm. Adults are on wing in May and June and again in August in two generations in western Europe.