JAPANESE BEETLES ARE EXTREMELY HEAVY IN THE FOLLOWING AREAS

Japanese Beetles started hatching a few weeks ago and will be around until September.  They are extremely heavy in middle to South Naperville, Aurora, Batavia, Geneva and St. Charles at the moment.

They love a variety of trees and shrubs but their favorite is the Linden followed by White Birch, River Birch, Elm, Purple Plum and certain varieties of Maple and Crab. They also attack certain shrubs too numerous to list.  If you see these trees displaying a ‘brownish hue’ toward the tops of the trees (as they like to feed in the sun) then you have Japanese Beetles.

You can also look for lacy leaves laying in the yard under the tree. The photo shows five beetles feeding on a Linden leaf creating that ‘lacy’ appearance.

We normally perform two spray applications to limit Japanese Beetle damage. Pictured below is a photo of a Linden tree which was taken last year in Naperville. This is the kind of total defoliation and damage Japanese Beetles are capable of if a tree is left untreated.

This kind of damage is exceptionally hard on the tree because when a tree is totally defoliated for any reason, the tree cannot absorb sunlight for energy, which affects the health of the tree.

If you find Japanese Beetles on your property, give us a call to quote a price for treatment!

 

EAB Treatment Should Continue

First, Some Emerald Ash Borer History…

In Michigan, where this insect made its first appearance in the United States, the Emerald Ash Borer ravaged the state and killed every Ash tree that had not been properly treated within about 9 years. The Ash trees that were saved in Michigan are now on a reduced ‘maintenance’ program. We had expected Illinois to follow suit and thought, as we’re sure you could understand, that it should naturally take about the same amount of time to reach that point in Illinois. We assumed that by now, just over 9 years after the Borer made its way down to Illinois, that we would have been able to reduce our treatment program to a maintenance level as well. Unfortunately, we haven’t been able to recommend that as of yet. Why is that?

There was a far larger population of Ash trees here in Illinois than there originally were in Michigan. At the time, there was no apparent reason to consider the difference in the number of Ash trees per state. However, once 2016 got here, which was the 9th year of the infestation here in Illinois, it was evident that there are still thousands of untreated Ash trees around us that hadn’t died yet. Why the difference? In our opinion, and in the opinions of noted Master Arborists, it’s because there are so many more Ash trees here in Illinois.  So, it is taking longer for the insects to kill them all. When there are more Ash trees for the Ash Borer to choose from, it means fewer insects per tree, thus delaying and dragging out the dying process.

ash trees with eabPlease notice the photo that we included which was taken this week. It shows three Ash trees in an office park on Warrenville Road just a few traffic lights East of Naperville Road. If you pay attention as you’re driving around, you’ll notice that there are still untreated Ash trees such as these all over DuPage and Kane County. They are in homeowner’s yards, on commercial properties and in our extensive and beautiful Forest Preserve system. As long as Ash trees exist that have any live growth on them at all, they are capable of supporting the Emerald Ash Borer population. One would think that the folks who own these damaged, dying trees, and who have chosen to not treat them, would realize that they would inevitably die and would remove them for aesthetic appeal if nothing else. Unfortunately, for whatever reason they are delaying removing their trees, so these Ash trees still stand continuing to put everyone else’s Ash at continued risk.

We do not have a more definitive answer as to when we will be able to reduce the treatment program against the Emerald Ash Borer but for the reasons just explained, we must stay with the current program. The insect is definitely on the downhill slide but we just aren’t there yet.

Stressed Tree Recovery

We hope you enjoy seeing ‘before’ and ‘after’ photos as much as we enjoy sharing them. In 2014 we received a call from a Glen Ellyn resident worried about their majestic 38-inch diameter Maple tree shown in the photo below, and rightfully so.

The tree was thin, off-colored, and had several dead limbs protruding out from the top and sides of the tree. The tree was obviously highly distressed and in the process of dying.

This resident was very astute in noticing the distressed tree early on. All too often homeowners wait until it is too late before questioning whether anything can be done to save their tree.

We recommended our ‘Stress Recovery Soil/Root Drench Treatment Program’. This treatment consists of a combination of products deposited right at the base of the tree in the Spring or Summer followed by our basic Fall Root Fertilization program. The products that we apply consist of a rich suspension of Minerals, Nutrients, Amino Acids and Beneficial Fungi that we have personally formulated over our 47 years in the tree care industry. While this combination of products doesn’t produce results like this every single time on highly stressed trees, 85% of the time it does work miracles as you can see in the comparison ‘after’ photo.

The point is that healthy mature trees add tremendous value to your property so it makes sense to care for them!