What Is Wrong With My Trees? Tent Caterpillars

Tent Caterpillar Are Juvenile Moths Tent caterpillars are caterpillars that build nests in trees that resemble large webs. When you see the caterpillar, they are just the juvenile stage of the adult eastern tent caterpillar moth. Adults can be identified by their medium size, feathery antennae, and long scales that [...]

What’s Wrong With My Trees? Asian Longhorn Beetle

Asian Longhorn Beetle Attacks Hardwood Trees The Asian longhorn beetle is a non-native invasive species that was first discovered in the United States in New York in 1996. This insect attacks hardwood trees like maples, poplars, elms, ashes, and birches, among others. Symptoms Of Asian Longhorn Beetle. According to the [...]

What’s Wrong With My Tree? Hypoxylon Canker

Hypoxylon Canker Is A Fungus Hypoxylon canker is a disease caused by the fungus Entoleuca (Hypoxylon) mammatum. It enters a tree through wounds on branches or trunk and grows in the sapwood. Here, it will kill conductive tissue. When infected, trees can see rapid decline and can die in one [...]

What’s Wrong With My Tree? Needle Blight

Needle Blight Is A Fungal Disease Of Pines Needle blight affects pine trees and is a fungal disease caused by Mycosphaerella dearnessii. In the Midwest, it can affect the following pines: Mugo Japanese black Virginia Eastern white pine Scots pine This form of needle blight can be confused with Dothistroma [...]

What Is Wrong With My Tree? Bacterial Leaf Scorch On Pin Oaks

Bacterial Leaf Scorch Is A Bacterial Disease Bacterial leaf scorch is a systemic disease caused by the bacterium Xylella fastidiosa. It affects a variety of oaks, including pin, but can also affect other trees like red maple, elm, and sycamore. The disease is transmitted from tree to tree by feeding [...]