Tree Insects

Tuliptree scale (Toumeyella liriodendri) is a native type of soft scale insect.

Spring and fall cankerworms cause feeding damage on shade trees.

Degree Days (DD), also termed Growing Degree Days (GDD), measure how much warmth above a certain threshold has accumulated since the beginning of the year.

These longhorned beetles attack hickory, oak, ash, maple, and other native deciduous trees.

Dark spots with lighter color edges on maple or tulip tree leaves are caused by a gall midge but are not harmful.

White frothy substance on tender plant stems cover spittlebugs as they suck plant juices.

A hand lens is needed to see these tiny mites but large populations can cause a lot of damage on deciduous trees and needled evergreens.

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

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

Tree leaves that appear shriveled and contorted may be the result of plant bug feeding damage.