Questions and Answers about Borers

Who thinks much about boring insects?  What do they do and how?  We have borers in the desert.  And, buy viagra  they may not be obvious but the damage they do to plants is.  These aren’t insects that make you yawn and want to take a nap.

So then, discount viagra what is a borer?  A borer is an insect or insect larva that bores into the woody parts of plants.  It damages the plant by boring into the trunk of a tree often laying eggs that then hatch and must bore their way back out of the tree.  They create tunnels that damage the tree from the inside out.  There are flathead borers, roundhead borers and palm borers.  These are the most common in Arizona.

Now that you know what they are, can you guess what trees have the most problems with borers?

Pine bark borers are a big problem in Northern Arizona.  If are driving through the forest by Flagstaff, look at the Pondrosa pine trees.  You may notice many that look fine and then one will stand out because it’s brown and dead.  Most likely it’s been attacked by borers.

Palm borers are the larve form of beetles.  Palm trees with these borers often show signs of wilted fronds.  The top of the palm will then have all dead fronds and droop like someone sucked the middle out of it.  If you have a palm borer problem in one tree, it will need to be removed to keep the borers from spreading to other nearby palms.

Borers attack other trees to.  Some of the ones more commonly attacked are loquat, pyracantha, Arizona cypress, juniper, plum. Other trees and plants that can be infested, but less often than pine trees and palms, are palo verde, mesquite, roses, and agaves.

Borers often attack plants in the summer.  They target plants that are already stressed or old and are easy prey.   Over-trimming trees can cause sunscald that weakens trees.  So, be careful not to over prune trees during the summer.  Drought stressed plants are also targets for borers.

It can often be difficult to know why a tree or plant is not doing well.  Always check the soil and roots, the branches and leaves, and the trunk of trees for signs of damage, disease and insects.

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