Eumetriochroa miyatai is a moth of the family Gracillariidae. It is known from all the four main islands of Japan (Hokkaidà Â, Honshà «, Shikoku, and Kyà «shà «).
The wingspan is 6.1âÂÂ9 mm for the vernal (spring) form and 5.7âÂÂ6.9 mm for the aestival (summer) form. The larvae feed on Ilex species, including Ilex crenata, Ilex rotundata, and Ilex pedunculosa. They mine the leaves of their host plant.