Foliar damage from elm leaf beetle, Xanthogaleruca luteola.

Unsprayed brown upper canopy foliage on English elm and green lower canopy with carbaryl residue from bark banding for elm leaf beetle control, Shields Ave., between W. Quad  Calif. Credit: Jack Kelly Clark
Foliar damage from elm leaf beetle, Xanthogaleruca luteola. Credit: Jack Kelly Clark