Eriophyes? sp. Cecidium nov.

Small galls in the axils of the lateral veins of the leaflets. Above marked by a light colored angular area 1-1.5 mm dia. Below a small mass of tissue (the gall proper) fills the angle, covered by a fine close pubescence. Chamber within of small diameter, irregular in shape. The characteristic mites were definitely observed. They are white in color. On some leaflets every angle made by the midvein branching into the lateral ones was occupied by a gall. On H cordiformis, in Athens County Ohio, August.

Aceria vaga

Eriophyes sp. cecidium nov
Eriophyes vaga

Carya illinoinensis, cordiformis

Along veins on lower leaf surface, causing discolored spots; on Bitternut Hickory, it causes vein angle galls on lower leaf surface containing scores of mites and eggs.

Eriophyes sp.

Carya sp.
Axillary vein galls
Small, axillary galls in the angles of the lateral veins.