Insect & Disease
Resource Center

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.

  • Home
  • Insect & Disease Resource Center
Search All Articles
{{appliedFilter.terms}}
Filters
Damage & Symptoms
Fotolia 85089638 IPS Beetle M
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.
Read More
Pest And Disease Oak Galls Banner 1440X500
Growth on Foliage or Branch
Oak Galls
Oak galls are abnormal plant growths found on foliage and twigs that are produced by small oak gall wasps. Shapes of galls vary from spherical to urn-shaped to star-shaped to fuzzy. Inside the galls are the eggs and larvae of the insects.
Read More
Ss 456412858 Chlorosis On Cherry Tree
Wilted or Curled Leaves
Pest Management | Stress Reduction
There are many abiotic and biotic stressors that can negatively impact tree health. Common stressors can include: air pollution, drought, flooding, improper planting and mechanical injury.
Read More
Pest And Disease Center Photinia Leaf Spot Banner 1440X500
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.
Read More
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.
Read More
Pest And Disease Center Rust Disease Banner1440x500
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.
Read More
Pest And Disease Center Shothole Disease Banner 1440X500
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.
Read More
Adobestock 316184773 Split Gill Fungus Close Up
Mold or Fungus
Split Gill Fungus
Split gill fungus can be found in almost every corner of the world. The fruiting bodies look like small saucers or fans and can be found on living or dead trees.
Read More
{{post.firstCategory}}
{{post.headline}}
{{post.postDate}}
{{post.summary}}
{{post.readMoreText}}
No Results

No results were found matching that query.

DSC 8019
DSC 8019

Get In Touch With Us!

We pride ourselves at Davey Tree on providing prompt, professional and personalized service from certified arborists that live, work and engage in your community. Contact one of our Davey Tree specialists for your residential needs.

Find A Local Office
Let's Find What
You're Looking For!
Quick Links