Fagus grandifolia Fagus grandifolia Fagus grandifolia, the American beech or North American beech, is the species of beech tree native to the eastern United States and extreme southeast Canada. The genus name "Fagus" is Latin for "beech", and the specific epithet "grandifolia" comes from "grandis" "large" and "folium" "leaf". The American beech is native to eastern North America, from Nova Scotia west to southern Ontario in southeastern Canada, west to Wisconsin and south to eastern Texas and northern Florida in the United States. Trees in the southern half of the range are sometimes distinguished as a variety, "F. grandifolia" var. "caroliniana", but
Stigmella hemargyrella Stigmella hemargyrella Stigmella hemargyrella is a moth of the Nepticulidae family. It is found in most of Europe, except Iceland, Norway, Finland, Portugal and most of the Baltic region. The moths (imago) are bivoltine flying from April to May and again from July to August and can be found resting on trunks. The wingspan is 5–6 mm. The egg can be laid on either side of the leaf and the pale yellowish-white larva feed, within a mine on "Fagus sylvatica" and "Fagus sylvatica orientalis". The mine is a sinuous gallery and at the early state is relatively narrow with a