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
Pest And Disease Lace Bugs Banner 1440X500
Spotting on Leaf
Lace Bugs
Lace bugs are sap-sucking pests that feed on deciduous and evergreen plants during the spring and summer, weakening their host plants. These pests thrive in full sun under dry conditions. Depending on the species, they are about 1/8-inch long and whitish with tan markings.
Read More
4S0a6655 Peruvian Pepper With Gall Sm
Leaf or Needle Discoloration
Pepper Tree Psyllid
A member of the insect family commonly known as “jumping plant lice,” the pepper tree psyllid sucks sap from trees, leaving a discolored and sparse tree canopy.
Read More
Pest And Disease Thatch Banner 1440X500
Brown, Spotted, or Patch Grass on Lawn
Thatch
Thatch is a dense buildup of grass stems, roots and blades that accumulates between the leaf blade base and the surface of the soil.
Read More
AS 271889195 Thrips
Leaf or Needle Discoloration
Thrips
Thrips are very small yellow-brown or black insects commonly found on flowers in summertime. They feed on a plants’ leaves and flowers by scraping away the epidermal cells and draining the sap.
Read More
Pest And Disease Ash Whiteflies Banner 1440X500
Leaf or Needle Discoloration
Whitefly
Although they look like miniature white moths, whiteflies are neither moths nor flies. Instead, they are insects of varying species in the order of Homoptera, which also includes aphids, scales, and mealybugs.
Read More
Ganoderma Applanatum Redwood CA Dmiller 3
Mold or Fungus
Artist’s Conk
Artist’s conk, is a fungal species that causes decay in trees. This fungal species is aggressive and causes a white rot within its tree host.
Read More
Pest And Disease Borers Banner 1440X500
Trunk or Bark Damage
Tree Borers
Borers are chewing insects, usually in larval stages, that chew and feed on the inner bark and/or wood of trees. Most species are the larvae of beetles.
Read More
Pest And Disease Maple Decline Banner 1440X500
Dieback or Thinning Canopy
Maple Decline
Maple decline is a condition that causes dieback in maple 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