Followed by one copper spray when leaves emerge, followed by one more spray at 14 days. Small, usually flattened, larvae of various shapes, sizes and colors between the upper and bottom leaf layers. Leaves with blotches, mines, or deformities of shape. Sevin, Orthene or Dursban for adults. Entire limb will turn dull green, then chlorotic, then brown.
Sticky secretion is produced along the limbs where disease is present.
Keep the tree out of stressful conditions. No chemicals will control this disease. Banner is good preventative spray. Small insects about inch with white waxy coverings over the body. Longer than wide.