Background The Emerald Ash Borer (EAB) has been discovered in Denton, County. The ISA Certified Arborists want to make sure that our customers and the community at large have accurate information and with proper knowledge can decide how they want…
After being mostly absent for the past 3-4 years, the Fall webworm is back in town and much more noticeable this year. They never really left completely, but the population has developed enough this year to be noticed. The Fall…
Bagworms are tiny little caterpillars that turn into moths. They feed on trees such as Junipers, red cedar's, arborvitae, Leyland Cypress, and other evergreen type trees.
That unappealing black coating on your tree is actually a harmless byproduct of a bug! The black substance is called sooty mold and grows on the waste product of an insect called scale. The mold itself is fairly harmless, more…
You may have heard on the news that the Emerald Ash Borer (EAB) is now in North Texas. Some of these reports will sound alarmist and are designed to generate fear and sell some services. While the report is true,…
Honeydew is a sticky, sugary liquid that… is insect waste. Insects called aphids (and some scale species) suck on plant sap and secrete a liquid we all know as honeydew. For the most part, an infestation of these messy insects…
The unusual weather this year has set up conditions for a very obscure moth to come out of obscurity and defoliate many of the hackberries in southern Denton County. The moth larvae is a small green caterpillar about 1/2 inch…
This is not necessarily tree related, but it is something I haven’t seen before at our yard and house in Highland Village, Texas. Over the past few days, thousands of small round insects are covering the back patio and coming…
What are those little brown humps that cover my oak twigs? These are lecanium scale insects. The lecanium scale can be debilitating to the host plant, rarely killing it. The insect draws sap from the tree, thus reducing the tree’s…
As we get into August this year, the post oaks in Denton County are showing a lot of white on their leaves. This is not a fungus or serious disease but is “wool” that is produced by a small sucking…
