Shrub Insects

Hydrangeas (Hydrangea spp.) are popular flowering shrubs in Maryland summer gardens.

Webbing on plants with stippled damage on foliage may indicate a spider mite infestation.

Armored scale insects are a large group of sucking insects that can be tricky to find, identify, and manage.

Leafminers feed between the upper and lower surfaces of a leaf.

If you see dead and wilted leaves on rhododendron, look at the stem below the damage for borer holes and prune out the damage.

Leafcutter bees cut circular or c-shaped sections from leaves of plants such as redbud, serviceberry, and rose.

List of azalea and rhododendron diseases, insect pests, and abiotic problems.

Needled evergreens are the preferred host of bagworms but don't be surprised to see the bags on the branches of shade trees.

Sawfly damage is done by larvae that resemble caterpillars. These insects feed in groups and can be found chewing the leaves of a variety of plants including roses, dogwoods, hibiscus, columbine, birch, and pines.

Planthoppers may be found on a variety of garden plants. Most species are just a temporary nuisance and do not require control.