Aceria aceris

Eriophyes aceris

Hosts: Acer saccharinum

Relationship: The mites causes greenish to reddish erinea on lower leaf surfaces.

Notes: Probably occurs on silver maple throughout eastern North America.

Suggest Aceria hodgkissiae for this erineum mite. This distinctive mite species needs a new name; it is a junior homonym of Aceria aceris (Murray, 1877), which is a valid mite species in Europe causing elongate, red carmine galls, filled with hairs, with a large open aperture on the leaf underside, with leaf-hairs protruding; it occurs on Acer pseudoplantanus, the Planetree Maple, in Europe

Range: NY, MA, VT, WV, WI

Eriophyes aceris

Acer saccharinum

And in erineum on leaves of silver maple, E. aceris Hodgkiss is abundant. The erineum patches, which are on the undersurface of the leaves, are pale greenish or greenish yellow, often with a reddish tint, and later red. In July most of the erineum turns brown and becomes dry.

Eriophyes sp.

Acer saccharinum

A pale yellow to deep brown erineum on the under side of the leaf.