Shrub Insects | University of Maryland Extension

Updated: October 17, 2024

IPM - Prevent, Identify, and Manage Plant Problems

How to ID, prevent, and manage plant problems in Maryland using IPM

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: August 12, 2024

Boxwood: Identify and Manage Common Problems

In Maryland gardens and landscapes, boxwood leafminer, Volutella blight, and winter injury are among the most common problems people experience with their boxwood plants. Use this resource to diagnose, manage, and prevent these common problems.

Updated: February 4, 2025

Mites in Home Gardens

A variety of mites occur in home gardens. Learn about their life cycle and how to identify and manage pest mite species.

Magnification of twospotted spider mites on leaf

Updated: January 24, 2025

Crapemyrtle: Identify and Manage Problems

Crapemyrtles are widely-grown trees and shrubs, but are vulnerable to several problems. They can be damaged by pests, diseases, and stress from their environment. Learn how to care for these plants and manage conditions that cause damage.

Updated: January 23, 2025

Cherry Laurel: Identify and Manage Problems

Cherry laurel shrubs are widely-grown evergreens but are vulnerable to several problems. Shrubs can be damaged by pest and disease issues as well as stress from their environment. Learn how to care for these shrubs and manage conditions that cause damage.

Updated: October 21, 2024

Japanese Maple Scale: A Pest of Nursery and Landscape Trees and Shrubs (FS-967)

Authors: Stanton Gill - Paula Shrewsbury

Unless Japanese Maple Scale (JMS) is monitored carefully and controlled early, populations of this armored scale can spread throughout a nursery or landscape to many species of woody plants and build up to levels that cause dieback and even death of infested plants.

Updated: October 17, 2024

Rose Chafer Beetle on Shrubs

Skeletonized leaves of some deciduous plants might indicate rose chafer beetle feeding damage.

Updated: October 17, 2024

Aphids on Trees and Shrubs

Aphids are small green insects that suck plant juices from almost all plants at one time or another.

Updated: October 17, 2024

Japanese Beetles on Trees, Shrubs, and Flowers

Larvae or grubs feed on the roots of Kentucky bluegrass, fine fescues, and other grasses. Adults are brown beetles with metallic green heads that emerge mid-June and feed on more than 275 plant species.