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 Oyster Mushroom Banner 1440X500

Mold or Fungus

Oyster Mushrooms

Oyster mushrooms are very common fungi that are found all over the world. They grow in a flat, broad fan shape and range in colors from white, gray, tan and dark brown. The surface is smooth and the underside shows layers of gills.

Pest And Disease Pine Wilt Banner 1440X500

Leaf or Needle Discoloration

Pine Wilt Disease

Pine wilt disease is caused by tiny worms called pine wood nematodes and beetles called sawyers that work together resulting in a disease that rapidly discolors and kills pine trees.

Mold or Fungus

Pink Snow Mold

Pink snow mold is a fungal disease that creates patches of dense, whitish-pink grass blades in winter and spring.

Pest And Disease Red Thread And Pink Patch Banner 1440X500

Brown, Spotted, or Patch Grass on Lawn

Red Thread & Pink Patch

Red thread and pink patch are closely related fungal pathogens that infect turf, appearing with a reddish-brown covering and wilted patches.

Mold or Fungus

Monilinia Brown Rot

Brown rot is a common fungal disease that attacks trees with stone fruits. It infects flowers, fruits and branches, sometimes destroying entire crops.

Pest And Disease Oak Bracket Banner 1440X500

Mold or Fungus

Oak Bracket Fungus

Oak bracket is a fibrous, “weeping” fungus that grows at the base of oak trees. The thick fruiting body is called a conk and varies from 2-12cm in width. The surface is a creamy brown color with pitted tubes that secrete an orange/amber liquid when young.

Leaf or Needle Discoloration

Phytophthora Diseases

Phytophthora is a genus containing many species of fungal-like organisms that cause blights, wilts, cankers, root rots and dieback on many plant species around the world.

Brown, Spotted, or Patch Grass on Lawn

Turf Grubs

Grubs are larvae of insects such as Japanese beetles, June beetles and other species that feed on grass roots in soil.

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