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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Damage & Symptoms

Leaf or Needle Discoloration

Pepper Tree Psyllid

A member of the insect family commonly known as “jumping plant lice,” the pepper tree psyllid sucks sap from trees, leaving a discolored and sparse tree canopy.

Brown, Spotted, or Patch Grass on Lawn

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.

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Leaf or Needle Discoloration

Whitefly

Although they look like miniature white moths, whiteflies are neither moths nor flies. Instead, they are insects of varying species in the order of Homoptera, which also includes aphids, scales, and mealybugs.

Trunk or Bark Damage

Gloomy Scale

Gloomy scale, is an armored scale insect pest of ornamental trees, most commonly found on the red maple. They are found throughout the Southeastern United States as far north as Maryland, south to Florida and west to Texas.

Leaf or Needle Discoloration

Thrips

Thrips are very small yellow-brown or black insects commonly found on flowers in summertime. They feed on a plants’ leaves and flowers by scraping away the epidermal cells and draining the sap.

Trunk or Bark Damage

Tree Borers

Borers are chewing insects, usually in larval stages, that chew and feed on the inner bark and/or wood of trees. Most species are the larvae of beetles.

Brown, Spotted, or Patch Grass on Lawn

Crabgrass

There are several species of crabgrass. Common crabgrass is one of the most undesirable and dominant weeds in home lawns. A lighter shade of green than typical turfgrasses, it has a coarse texture and clumpy appearance.

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Brown, Spotted, or Patch Grass on Lawn

Dollar Spot Fungus

Dollar spot is caused by a fungus that causes blight to grass blades, but does not harm roots or crowns. Infections start as small circular areas about the size of a silver dollar, hence the name.

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