Red-humped Caterpillar Red-humped caterpillars eat redbud leaves and lay egg clusters on the underside of the leaves. However, the tree’s overall health is not usually at risk since the pests show up just before the leaves fall off.

What bug kills redbud trees?

Verticillium wilt attacks and kills redbud trees.

What's killing my eastern redbud?

The fungus enters through wounds or dead and dying branches. There is no chemical control, but spread can be at least slowed down by pruning out diseased branches. And, finally, verticillium will attack and kill Eastern redbud.