The covering is oval, flat, and pale to dark brown. In the spring a white cottony egg sac two to three times the length of the scale is produced. The eggs hatch in late June or July. The crawlers are tiny and brownish. They feed on the undersides of leaves, moving back to the branches in the fall.
Plants infested are maple, poplar, basswood, and elm.
They are a shiny speckled brown color. Eggs are laid in the spring and hatch in late June or July. The crawlers feed on the leaves, returning to the twigs in the fall where they overwinter in cracks in the bark. Plants infested are willow, ash, elm, rose, fruit trees, and poplars. Spider Mites Mites are tiny and difficult to see on plants.