What’s Wrong With My Trees?

What Is Wrong With My Ash Tree? Emerald Ash Borer

Emerald Ash Borer Is An Invasive Pest The Emerald Ash Borer (EAB) is an invasive species of beetle that hitched a ride to the United States in 2002 and began its invasive march near Detroit Michigan. EAB has become the single most destructive invasive pest in history killing millions of [...]

What Is Wrong With My Tree? Apple Scab On Crabapple

Apple scab is caused by the fungus Venturia inaequalis and is the most common disease of crabapple trees. In spite of severe leaf drop, apple scab rarely kills a tree and severity depends upon that year’s weather conditions. If infection occurs for several years, the tree could be weakened enough [...]

What Is Wrong With My Tree? Aphids

Aphids Are Small, Sap-Sucking Insects Aphids are small, soft-bodied insects that feed on plants’ sap using their long, slender mouths to pierce stems, leaves, and other tender plant parts. Aphids have pear-shaped bodies with long legs and antennae that may be green, yellow, brown, red, or black, depending on the [...]

What Is Wrong With My Tree? Spider Mites

Spider mites are insects Spider mites are very small, nearly microscopic, pests that produce protective silk webs similar to spider webs that can be found on deciduous trees, evergreens, and other plants. The mites are actually in the “spider” family and not true insects. While the webs are visible, the [...]

What’s Wrong With My Tree? Scale Insects

Scale Insects Are Common Tree & Shrub Pests Scale insects are common pests to many trees and shrubs in North America. The scale includes both armored and soft varieties, including: