Gypsy Moth

Gypsy moth is a non-native pest that has adapted to Michigan landscapes. The gypsy moth caterpillars hatch in spring and often go unnoticed until they […]

Hemlock Woolly Adelgid

The hemlock woolly adelgid, or HWA, is an invasive species that that poses a serious threat to hemlock trees. The easiest way to identify HWA […]


Mosquitoes are best known for the habits of the adult females which often bite, feeding on blood to help generate their eggs. The lesser-known fact […]



Ants like trees for one of two reasons. They are searching for food or making a home. Generally, ants don’t damage a tree but instead […]

asian longhorned beetle

Asian Longhorned Beetle

The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) wants to remind everyone that August is Tree Check Month. Now is the […]

Japense beetles

Japanese Beetles

Japanese beetles aren’t just a scourge on ornamental gardens but feed on hundreds of different plant species making them well adapted to a variety of […]

bronze birch borer

Bronze Birch Borer

Bronze Birch Borer has been a serious pest of birch trees. Its preferred host is European white birch. Paper, yellow and gray birch are also […]

Birch Leafminer

Birch Leafminers

Birch Leafminers are sawflies, which are closely related to bees and wasps, and the most common insect pest of birch trees in North America. Its […]

boxwood leafminer

Boxwood Leafminer

As our arborists and techs conduct their Plant Health Care treatments, they are noticing quite a few leaf blisters in boxwoods. These blisters contain the […]



Bagworms, thyridopteryx ephemeraeformis, feed on more than 120 species of trees and shrubs. Including most species of evergreen trees and bushes, conifers, as well as […]

Spruce Spider Mites

Spruce Spider Mites

Spruce Spider Mites are native to North America and are one of the most destructive spider mites in the U.S. Its preferred host is spruce […]