Rodent Trap Placement by Bell Laboratories


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Industry Insights

Knowledge of how and where to place traps can make or break your IPM.  Rodents aren’t limited in where they can travel—they are excellent climbers, jumpers, and swimmers, and they can gnaw through almost any material.  When conducting your inspection, keep an eye out for signs that indicate where rodents are traveling.  Sebum (rub marks), urine, feces, and gnaw marks are all great indicators of rodent run-lines/activity, and ultimately where you should be placing your traps.  Rodent run lines are not always in locations that are conventional or easily accessible, which can make trap placement difficult.  When placing traps on rodent run lines, consider the following:

  • Is your trap secured to a surface?
  • Is your trap out of reach from non-targets?
  • Is your trap set in the correct direction?
  • Could a rodent avoid coming into contact with your trap?


Traps should be secured to a surface, or within a bait station.  This promotes clean kills of rodents and prevents non-targets from dragging the trap, or getting caught in a trap that is not meant for them.  The baffles within a bait station will guide the rodent towards your trap, making it tougher for a rodent to maneuver over or around the trap.  Rodents are constantly climbing along on pipes, cordage, and ceiling rafters, making them optimal locations for snap traps.  Consider using zip-ties to secure your snap traps, when using a bait station is not an option.

Utilize trapping stations to get the security of a bait station, without limiting where you can place your traps.  Bell’s new PROTECTA EVO TUNNEL can be used indoors or outdoors and can be secured to fences or pipes via cable ties in both the vertical and horizontal position. With a low and discreet profile, the EVO TUNNEL provides tamper-resistant coverage of a variety of rat and mouse traps.

When trapping for rats, most run lines are in hard-to-reach places. Smart traps, like the Trapper® T-Rex® iQTM, are great for hard-to-reach locations.  TRAPPER T-REX iQ combines trigger sensitivity with the exact trap velocity needed to capture and hold rats. Its patented interlocking teeth make rat escapes virtually impossible, and it sets easily by foot or hand. Smart traps such as the TRAPPER T-Rex iQ will notify you if a trap has been set off, so you can make the most of your time & effort, and never check an empty trap again.

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