Category Archives: Lawn Insects & Pests

Twospotted Spider Mites

This plant pest attacks a broad variety of plants, including annual and perennial flowers, many deciduous shrubs and some trees such as maple redbud and tuliptree. The twospotted spider mite is not an insect, but rather a mite, which is similar to a spider. These mites are about the size of a period on a ..Read More »

Have you noticed your arborvitaes turning brown?

Have you noticed your arborvitaes turning brown? Do you see pine cone like objects hanging on the branches and they appear to be moving? After closer observation, do you notice a dark brown to black caterpillar sticking its head out? What is this caterpillar? This is no ordinary caterpillar. It is a native bagworm moth ..Read More »

Boxwood Leaf Miner

You are worried about your boxwoods, because there appears to be something mining the inside of the leaves. You could try calling the seven dwarfs to help you control them.  They are most likely boxwood leafminers, which can be a major pest of the boxwoods.  The leafminers don’t have picks and shovels to mine the ..Read More »

The Tent Caterpillars are out!

Our Tree and Shrub Manager states that we are seeing signs of the Eastern Tent Caterpillar active in our area, not to be confused with bagworms or webworms. They build “tent” like nest in the crotches of the trees where they feed. These caterpillars are leaf chewers, and while they can defoliate a tree when ..Read More »

Scale Insect and Horticultural Oil

One of the pesky overwintering pests is the scale insect.  It usually overwinters as an egg or in the adult form.  The winter months are a good time to control this pest, when the plants are dormant.  They can be found on many types of plants like “Manhattan” euonymus, cherry trees, burning bushes, and privet. ..Read More »

Where do the insects go for the winter?

Insects have various ways to survive the winter.  Migration is one way insects escape the cold temperatures.  The Monarch butterfly is one insect that moves from cooler climates to warmer ones, but others migrate northward from southern states.  These insects are mostly crop pests. Hibernation is a way adult insect survive the cold weather. Lady bird ..Read More »

The Boxelder Bug

Wow, the hot and humid days of summer are over and so are the insect pests. Not true. There can be pests on your landscape plants throughout the year. They may not be in the life stage that is actively feeding on your plants, but the pest may still be there. Photo credit: University of ..Read More »

Fall Insect Pests

Now that autumn is here, there are still some insect pests that are out there seeking to attack your landscape plants. Some are pests lingering from the summer and others come out in the cooler fall temperatures. What are some of these pests? There are lace bugs, which attack azaleas, pieris japonicas, pyracanthas and cotoneasters. ..Read More »

Fall Webworm

It is mid to late summer, and I’m seeing thick webbing in some of my trees and shrubs. What is causing the thick webbing near the end of the branches? Is it bagworms, or tent caterpillars or some type of spider? No, it’s most likely fall webworms. The first generation starts in May, which is ..Read More »

What are spider mites?

Spider mites are often thought of as insects, but they are not. They have eight legs instead of six, thus they are more closely related to spiders than insects. There are typically three life stage to spider mite: eggs, immatures that look like adults but are smaller and adults. There several types of spider mites, ..Read More »