Mole Control

There are several methods to reduce or eliminate mole populations, including trapping, toxicants, and fumigants. Trapping is often the most effective and cost-effective method of controlling moles since the average yard only has 2-3 moles. Commonly used traps are the WCS™ Pro Scissors, NoMol®, and the Trapline Moleinator. Read about the Eastern Mole.
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Trapping in early spring before young moles become mobile can greatly increase your efforts in reducing populations. Although trapping moles is not a difficult task it is important to know which runs are active. One way to check to see if a run is active is to flatten a small section and check it in a few days to see if it becomes raised. Some tunnels may only be used once while others can be a superhighway that will produce over and over. Runs that seem to have no pattern, are relatively short in length, and are in a zig-zag pattern are feeder runs that may not be reused. Active burrows tend to run in a fairly straight line, often follow edges like sidewalks and foundations, and usually connect to multiple feeding areas. These active tunnels will be used more frequently during periods of rain, and in the spring and fall.

During periods of draught and during the hotter months of summer moles will go deeper in the soil column. Mounds, called boils, are indicators that the mole is digging deep tunnels and is bringing soil to the surface. These are very common in the fall when the mole is preparing to go deeper in the soil column during winter months. When setting new traps, it is best to “weather” them for a few days or rub them down with dirt to remove foreign odors. It is also best to wear gloves to avoid leaving human scent on the traps. Some professionals like to add a small amount of Proline™ Underground as a bait/lure that moles and other animals that feed on underground invertebrates find attractive. It has been reported by a few very experienced mole trappers that a small amount of beaver castor placed beneath the trap has also increased capture rates. It is best to set multiple traps in what you believe to be active runs. If you don’t catch a mole within two or three days it is likely that the trap is not set properly, the run is not active, or the mole has changed its travel patterns so adjust things accordingly.

The most popular and easy to use toxicant used for mole control are synthetic worms that contain toxicants. These seem to work well for some people as they mimic the moles natural food source. Be sure to follow the label, have a pest control license if necessary, and be aware that pets should not have access to the area being treated. Another option for the professional is the BurrowRx Rodent Control Device. This device delivers carbon monoxide (CO) thought the burrow system killing any moles present. Secondary poisoning of nontarget animals is not likely if this tool is used as directed. When the carbon monoxide dissipates there is no risk to anything that enters the burrow system. After gaining experience with different soil types and where to use this device, the Page 3 BurrowRx can be a great tool. Most operators treat twice about two weeks apart when the soil is moist. This device utilizes a smoke oil tracer that will show you were the CO is being delivered. When it comes to repellents Mole Scram is probably the most popular and widely used product. Mole scram is a spreadable granular repellent that is biodegradable and is environmentally safe. It is important to follow all laws regarding moles and their control. Ignorance of state and federal laws will not protect you from prosecution.