Tree and Shrub Pests | University of Maryland Extension

Updated: October 21, 2024

Beech Leaf Disease in Maryland

A new disease is affecting all types of beech trees in the northeastern United States. Symptoms of Beech Leaf Disease include dark bands on leaves, yellowing and distorted leaves. Maryland residents should report symptoms to Extension.

Updated: October 17, 2024

Crapemyrtle Bark Scale in Home Gardens

Crapemyrtle bark scale (Acanthococcus lagerstroemiae) is a non-native type of soft scale insect that can be difficult to manage.

a branch covered in crapemyrtle bark scale

Updated: October 23, 2024

The Spongy Moth and the Homeowner

The spongy moth caterpillar is the most serious threat to forests comprised of oak in the United States. Spongy moths reach greatest densities where oaks are the most abundant trees. If you have oak trees on your property, spongy moths pose a threat to the beauty and value of your land. Authors: Michael Raupp, John A. Davidson, and F.E. Wood; Title: The Gypsy Moth and the Homeowner (FS-242)

Updated: October 23, 2024