Mole Invasion #383294 - Ask Extension


Mole Invasion #383294

Asked January 27, 2017, 11:01 AM EST

In late summer of 2015, Armstrong dug a trench along the east side of our property adjacent to the drive on which we live. Ever since then, we have been plagued with moles in our yard. We never had them in the previous twelve years that we lived here. Also, the project supervisor told me that he was planting grass seed. In the Spring of 2016, I realized he planted rye grass, as it came to life much earlier than our grass, was a lighter color and it was almost a foot tall by the time my husband began mowing in late April. The rye grass died off in the late summer. I am disgusted with the mole invasion & feel that Armstong really messed up our property. Any suggestions would be greatly appreciated.

Harford County Maryland

Expert Response

It would be helpful to have a description of what exactly your problem is.
It is unlikely that trenching or the planting of rye grass resulted in a rodent problem.
It is more likely that you simply have habitat that is liked by them with cover and food, and perhaps a lack of predators who would naturally help keep their numbers under control.

Our first question, without specifics of your concern, is whether you are truly fighting moles as opposed to other small furry visitors, including voles.
Here is a page which discusses moles and voles:

Moles are actually considered beneficial for the pest control they offer as they eat soil invertebrates. We often suggest learning to live with them.
There are not usually very many per acre (2 or 3?) so they can be tricky to control, but if it is tunneling that is your concern, know that wet, rainy weather causes their food sources to go higher in the soil profile so that their tunneling becomes more noticeable. Tamp down any ridges, and keep an eye out for where they rise again to see what tunnels are active. That is where you would place a harpoon-type trap.
Poisoning is not recommended or legal unless done by a licensed   pesticide applicator certified by the Maryland Department of Agriculture.

Voles on the other hand damage plant material and can reproduce quickly. The regular use of snap traps baited with peanut butter can bring down their numbers.


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