Eumetriochroa kalopanacis is a moth of the Gracillariidae family. It is known from Japan (Hokkaidō and Honshū islands). The wingspan is 6.4-7.2 mm for the autumnal form and about 5.7 mm for the aestival (summer) form. There are two seasonal forms, which differ in size and colour: one is a aestival form with adults on wing in summer from July to August, and the other is an autumnal form with adults on wing in autumn from mid September to October.