Tupelo/Black Gum (Nyssa)
Symptom Cause  
Leaves wilt, brown, drop; tree dies
Botryosphaeria-Ribis (bacterial)
Leaves consumed; conspicuous tawny egg masses present on trunk
Caterpillar of Gypsy Moth
White, cottony mass, underside of leaves; leaves may yellow, drop;
Cottony Maple Leaf Scales
When young portions of foliage disappear, or young tips disappear; shredded bark on trunk
Black powdery sooty mold fungus forms on honeydew; branches may die
Sooty Mold