University of Rochester Arboretum as the arboretum. The River Walk was recently sold to the City of Rochester as public parkland along the river corridor. In a 1 km (¾ mile) area between Elmwood Avenue and Intercampus Drive are 197 oak trees representing 15 species. Trees in the arboretum proper currently include: American Beech ("Fagus grandifolia"), Amur corktree ("Phellodendron amurense"), Baldcypress ("Taxodium distichum"), Black Gum ("Nyssa sylvatica"), Dawn Redwood ("Metasequoia glyptostroboides"), Goldenraintree ("Koelreuteria paniculata"), Hally Jolivette cherry ("Prunus" 'Hally Jolivette'), Japanese Pagoda Tree ("Styphnolobium japonicum"), Japanese Zelkova ("Zelkova serrata"), Katsura Tree ("Cercidiphyllum japonicum"), Kentucky Coffeetree ("Gymnocladus dioicus"), Kanzan cherry ("Prunus serrulata" 'Kanzan'), Late Lilac
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