Milionia basalis is a moth of the Geometridae family. It is found in Japan, the north-eastern parts of the Himalaya, Burma and Sundaland.
The wingspan is 50–56 mm.
The larvae feed on Dacrydium and Podocarpus species. The adult is day-flying. It feed on the nectar flowers of Leptospermum flavescens in the mountains of Peninsular Malaysia. source