Insect & Disease
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Signs of pests and diseases will vary from tree to tree. Search our database of pests and diseases for symptoms, damages, life cycle, management, and control information.

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Pest And Disease Chicken Of The Woods Banner 1440X500

Trunk or Bark Damage

Chicken Of The Woods Mushroom

Chicken of the woods is an edible mushroom with a texture and taste that is said to resemble chicken. The fruiting bodies tend to have many shelves, and can be found up a tree trunk or as a cluster at the base of a tree.

Pest And Disease Deadman Fingers Banner 1440X500

Mold or Fungus

Dead Man's Fingers Fungus

Dead man’s fingers is a fungal pathogen that grows in small towering groups of three to six mushrooms and resemble fingers coming out of the ground.

Spotting on Leaf

Dogwood Anthracnose

Dogwoods are treasured landscape trees. A destructive disease known as anthracnose can tarnish their beauty, degrade their health, or even kill the tree.

Pest And Disease Horned And Gouty Oak Galls Banner 1440X500

Growth on Foliage or Branch

Horned & Gouty Oak Galls

There are various species of wasps that may infest oak trees, but two common species include the horned oak gall wasp (Callirhytis cornigera) and the gouty oak gall wasp (Callirhytis quercuspunctata). These pests cause galls, or abnormal plant growths, found on foliage and twigs.

Growth on Foliage or Branch

Oak Galls

Oak galls are abnormal plant growths found on foliage and twigs that are produced by small oak gall wasps. Shapes of galls vary from spherical to urn-shaped to star-shaped to fuzzy. Inside the galls are the eggs and larvae of the insects.

Mold or Fungus

Photinia Leaf Spot

Photinia leaf spot is a fungus that discolors and destroys plant leaves in the cool, wet elements of spring and fall.

Pest And Disease Pine Tip And Pine Shoot Moth Banner 1440X500

Webs or Bags

Pine Tip & Pine Shoot Moths

Pine tip and pine shoot moths are the caterpillars of moths that attack conifer trees, causing a drought-like appearance to the tree.

Brown, Spotted, or Patch Grass on Lawn

Rust Disease

Rust disease first appears as small, yellowish-orange to reddish-brown flecks on grass blades and eventually grows into raised pustules on blades and stems.

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