Tree Insects

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

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

Prevent, diagnose and manage ornamental cherry tree problems

Fall webworms spin silken nests surrounding tree branches on many shade trees in late summer. These are not the same as bagworms or Eastern tent caterpillars, both of which are a different species.

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

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.

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.

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

Many different caterpillars could be eating the leaves of shade trees.