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Barklice
Bark Lice are small, dark-colored insects that produce fine, dense webbing on the trunks of host trees. Varying in color from tan to black, these pests may or may not have wings, and are usually less than five millimeters long.
Tree Safety: Why Do Trees Fall After Heavy Rain?
There are short-term and long-term impacts on your trees as a result of waterlogged soil. Learn more.
Oak Bracket
Oak bracket is a fibrous, “weeping” fungus that grows at the base of oak trees. The thick fruiting body is called a conk and varies from 2-12cm in width. The surface is a creamy brown color with pitted tubes that secrete an orange/amber liquid when young.
Monilinia Brown Rot
Brown rot is a common fungal disease that attacks trees with stone fruits. It infects flowers, fruits and branches, sometimes destroying entire crops.
6 Signs It Might Be Time to Remove Your Tree
Noticing some structural or physical damage to your trees? Read on to find out the six signs of tree damage to determine if it might be the right time to remove your tree.
Davey Promotes Roppolo to Director of Arborist Training, Davey Institute
Don Roppolo promoted to director of arborist training, Davey Institute.
Background on Japanese Beetles
Shawn Kingzette of Davey's Northwest Chicago office explains when Japanese beetles will likely appear and what homeowners can do to deter these pests from making a meal of their landscapes.
Thatch
Thatch is a dense buildup of grass stems, roots and blades that accumulates between the leaf blade base and the surface of the soil.
Emerald Ash Borer
Emerald ash borer (EAB) is an Asian beetle that threatens the existence of ash trees throughout North America. These insect pests have killed millions of ash trees in urban areas, woodlots, and nurseries, spreading via infested nursery stock and firewood.
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