ORNAMENTAL PLANTS SUBJECT TO DISEASE AND INSECT PESTS : Page 827
Lilac (powdery mildew, San Jose scale, bark lice, and caterpillars).Linden (borers, leaf beetle, caterpillars, scale, and red spider).Locust (heart rot, borers, leaf beetle, maple scale, and caterpillars).Magnolia (magnolia scale).
Maple (anthracnose, tip burn, sun scald, borers, caterpillars, scale, and twig pruner)Mulberry (bacterial disease, cottony maple scale).
Narcissus (aphids and eel worms).
Oak (anthracnose, caterpillars, powdery mildew, scale, leaf beetle, and twig pruner).
Osage Orange (scale, bark louse, and caterpillar).
Peach (scales, caterpillars, and borers).
Peony (stem rot and leaf spot).