Pests and Diseases

Blog Archives

Information of tree and shrub pests and diseases.

Tree Damage from Hemlock Woolly Adelgid

The hemlock woolly adelgid is a sap-sucking insect that feeds specifically on hemlock trees. As the insects feed, they damage the tree by removing sap and disrupting the flow of water and nutrients. Though all species of hemlock are vulnerable,

Posted in Pests and Diseases

Invasive Shot Hole Borer Affecting California’s Trees

The polyphagous shot hole borer is a recently introduced, non-native beetle that is having a devastating impact on landscapes, forests and agriculture in southern California. This insect pest bores into trees, creating galleries where it feeds and lays eggs. Wood boring

Posted in Pests and Diseases

Spring is Coming … Along with Foliar Diseases

After the cold, dark weather of winter, we are all looking forward to spring! Flowers will be blooming.  The birds will be singing. And while spring brings new life to trees, it also brings foliar diseases that attack their growing

Posted in Pests and Diseases, Tree Advice

Brood X Cicadas and Your Trees and Shrubs

Brood X is on its way. This is one of the largest broods of periodical cicadas, and the insects will soon be seen in a number of states including Delaware, Georgia, Illinois, Indiana, Kentucky, Maryland, Michigan, North Carolina, New Jersey,

Posted in Environmental Issues, Pests and Diseases

Spotted Lanternfly: Insect Invader

Sometimes when a non-native species is introduced to a new environment there is a devastating result. Whether the invasive species is a plant, animal, or pathogen, the presence of these invaders causes ecological or economic harm. Emerald Ash Borer, for

Posted in Environmental Issues, Pests and Diseases
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Being a leader in the tree care industry means continually focusing on learning and innovation. Bartlett’s Tree Topics blog follows in that tradition by offering a place to receive advice on trees, tree pests, tree preservation, and more.

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