Fagus orientalis Fagus orientalis Fagus orientalis, commonly known as the Oriental beech, is a deciduous tree in the beech family Fagaceae. It is native to Eurasia, in Eastern Europe and Western Asia. "Fagus orientalis" is a large tree, capable of reaching heights of up to tall and trunk diameter, though more typically tall and up to trunk diameter. The leaves are alternate, simple, and entire or with a slightly crenate margin, long and broad, with 7–13 veins on each side of the leaf (6–7 veins in "F. sylvatica"). The buds are long and slender, long and thick, but thicker, till , where
Parornix fagivora continues living freely under a folded leaf margin or leaf tip. Parornix fagivora Parornix fagivora is a moth of the Gracillariidae family. It is found from Sweden to the Pyrenees, Italy and Albania and from Great Britain to southern Russia. The wingspan is 11–14 mm. The larvae feed on "Fagus sylvatica", including subspecies "Fagus sylvatica orientalis". They mine the leaves of their host plant. The mine starts as a small lower-surface epidermal corridor with reddish brown frass. Later, it becomes a small rectangular full depth blotch with black frass. The larva deposits only little silk in the mine, that remains