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

Holes or Skeletonization in Leaves

Box Tree Moth

Box tree moth (BTM), known by the scientific name of (Cydalima perspectalis), is an invasive moth that feeds on boxwoods (Buxus spp.)

Brown, Spotted, or Patch Grass on Lawn

Fall Armyworms

Fall armyworm caterpillars eat the leaves and stems of turfgrasses, but typically do not destroy the crown of the plant. Early feeding damage can resemble drought stressed turf, but can quickly progress to complete browning of the entire stand when caterpillars are present in large numbers.

Mold or Fungus

Anthracnose Disease Of Deciduous Trees

Anthracnose is a common and destructive group of fungal pathogens that attack various shade trees.

Mold or Fungus

Aphids

Aphids, sometimes called plant lice, are soft-bodied, sucking insects. They tend to cluster in large colonies on new growth and come in a variety of species that may be green, black, red, orange, wooly, spotted or bow-legged.

Leaf or Needle Discoloration

Chinch Bugs

Chinch bugs are small black and white insects that live in thatch and damage turf by sucking the sap and injecting toxic saliva. Adults are about 1/5 long. Newly hatched, immature nymphs appear bright red with a white band across the back.

Webs or Bags

Eastern Tent Caterpillar

The eastern tent caterpillar is a pest native to the United States whose presence was first recorded in the mid-1600s. Found in the eastern and central United States, it has been seen as far west as the Rocky Mountains. It appears in large numbers, generally every ten or so years.

Leaf or Needle Discoloration

Mites

Mites are nearly invisible, but they can cause destruction that will surely be noticed on a variety of indoor and outdoor trees, shrubs and plants. Signs that mites are present include spotting, bronzing or yellowing of leaves and the presence of small webs between twigs.

Pest And Disease Wood Decay Fungi Banner 1440X500

Mold or Fungus

Wood Decay Fungi In The Landscape

Certain fungi attack multiple species of trees. Mushroom growths, called conks, are seen on the lower portion of the trunk and vary in shape, size and color.

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