Tree Insects

If tiny tubes of dust appear at about 3 feet above the ground on the trunk of dying trees, ambrosia beetles might be the cause.

Caterpillars of spongy moths are a serious pest of oak trees in Maryland.

White wooly fuzz balls on the underside of hemlock needles are a destructive pest of Eastern hemlock trees.

Corky swollen or unusual growths on tree leaves or branches can be caused by mites, bacteria, fungi, or other insects. They are unsightly but not life-threatening.

Boxelder bugs are a nuisance pest that sneaks into homes in late fall seeking a hiding place.

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

Oak trees are declining for a variety of reasons.

Regular inspections of your garden and plants will catch most scale problems before they get out of hand.

White Prunicola Scale (Pseudaulacaspis prunicola) is a non-native type of armored scale insect that can be difficult to manage.