Red Bud, Eastern
Symptom Cause  
Tissue killed, dark sunken spots in wood; leaves affected, canker on twigs.
Bacterial Canker
Young portions of foliage disappear, or young tips disappear, bark peeled off
Trees defoliated, brown egg cases appear on trunk
Larvae of Gypsy Moth
Leaves turn yellow at margins, then brown, dry; new leaves stunted; tree dies slowly, branch by branch.
Verticillium Wilt