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

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.

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.

Leaf or Needle Discoloration

Ips Pine Bark Beetles

All stressed pine and spruce trees are vulnerable attack. Healthy trees are rarely attacked, although where Ips populations are extremely high, healthy trees may be overwhelmed by large numbers of beetles.

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