Locust, Honey
Symptom Cause  
Cankers on trunk & branches; wilt; dieback
Bacterial Canker
Young portions of foliage disappear, or young tips disappear, bark peeled off
Leaves consumed; tawny egg masses visible on trunk
Larvae of Gypsy Moth
Tents of webbing on tree
Mimosa Webworms
Globular galls at growing tips
Pool Gall Midge
Small bumps on leaves and twigs
Scale Insects