Dream Image Tree & Landscape Service is staffed with professional arborists who are experienced and knowledgeable in recognizing and managing insects and diseases in trees. Some insects may not cause major damage to trees, while others can cause the tree to die. This is also true with diseases in trees. Spring Canker Worm, Tree Hoppers, Leaf Minors, and Lacebugs. In contrast, the Emerald Ash Borer, Pine Bark Beetles, and Flat Headed Apple Tree Borer have multiple generations or grow to numbers that can threaten the health of a tree or cause it to die. Some tree infections are of little concern to tree health such as the leaf spot fungus infections, minor blight infections, or Oak Leaf Blister. Other diseases are slow killers, like Bacterial Leaf Scorch. The deadlier diseases are Oak Wilt, Dutch Elm Disease, and Cotton Root Rot.