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

Spotting on Leaf

Shot Hole Disease

Shot hole is a leaf disease that produces brown spots on plant foliage that eventually dry out, fall and leave multiple holes in the leaf.

Substance on Leaf or Oozing

Spotted Lanternfly

The spotted lanternfly is an invasive insect species native to Asia. This insect’s eggs are laid in masses about 1” long and may look like patches of crusted mud. Hatched nymphs are black with white dots. Adults are about 1” long with gray forewings that have black spots.

Brown, Spotted, or Patch Grass on Lawn

Spring Dead Spot In Bermudagrass

Spring Dead Spot (SDS) is a common turf disease that is caused by the fungi Ophiosphaerella herpotricha and O. korrae. The disease creates dead or dying brown patches of turf that vary in diameter depending on the severity of infection.

Leaf or Needle Discoloration

Winter Moth

The male fringe-winged winter moth is often seen in homes and around lights and holiday decorations in December and January. This invasive pest arrived in the U.S. and Canada from Europe.

Pest And Disease Turkey Tail Banner 1440X500

Mold or Fungus

Turkey Tails

Turkey tail is a polypore mushroom that gets its name from the variety of colors and shape that resemble the tail feathers of wild turkeys.

Leaf or Needle Discoloration

Verticillium Wilt

Verticillium wilt is a fungal disease that causes serious injury and often death to its host. It is caused by the fungus Verticillium dahliae and can live in the soil for long periods of time without showing any signs.

Pest And Disease Botryosphaeria Banner 1440X500

Dieback or Thinning Canopy

Botryosphaeria Canker & Dieback

Botryosphaeria canker is a fungal disease that infects many trees and woody shrubs, especially if they are already stressed or weakened. It causes cankers and dieback.

Leaf or Needle Discoloration

Boxwood Blight

Boxwood blight is a serious disease caused by a fungal pathogen, Calonectria pseudonaviculata; previously named Cylindrocladium buxicola.

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