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Deer Mouse Identification and Control In Utah

Correct identification is an important first step in pest control.

PEROMYSCUS MANICULATUS
PEROMYSCUS MANICULATUS

Deer mice get their name from their coloring similar to the white-tailed deer. They have a brown to gray colored body with a white belly and furry tail.

They are 6 inches long including their tail which and overall are slightly larger than a house mouse.

Deer mice are known carriers of a rare, but potentially fatal lung disease called Hantavirus Pulmonary Syndrome (HPS). This is found in the mouse feces and urine.

HPS can be aerosolized when their habitats are disturbed such as cleaning out a storage shed, when in a barn or attic and similar areas. Caution is advised when around deer mice harborages.

Deer mice breed in the spring and fall. Females will produce between two and four litters a year and most litters average about four pups. They can live up to two years in the wild.

They do not hibernate and are active all year long. When colder weather emerges some mice will find harborage in nearby garages, crawl spaces, attics and even living rooms or kitchens in your home.

When deer mice invade buildings, they commonly carry in caches of seeds and nuts. They will store this food in wall voids, furniture, dressers, cabinets or any other nook and cranny they can find.

Deer mice are most active at night with feeding peaks at dawn and dusk. They also tend to leap rather than run.

Need Help Controlling Deer Mice?

Thorn Pest Services Identify the pest with our Deer Mouse gallery

What Are Their Nesting Habits?
What Are Their Nesting Habits?

Deer mice prefer to nest outdoors in things like fence posts, tree hollows, log piles, abandoned bird and squirrel nests, beneath decks, outbuildings or barns. When cooler weather arises they can be found indoors in basements, attics, storage boxes, furniture, wall voids, sill plates, structural corners and any tight spaces.

Learn more by reading our blog post: Public Health Watchlist.

Name:

Peromyscus maniculatus

Size:

6 inches long including the tail

Dropping:

1/4 of an inch

Thorn Pest Services Tips For Keeping Deer Mice Away

How To Prevent Deer Mice From Entering Your Home
Pest control experts
  • Install tight-fitting door sweeps, seal exterior cracks/crevices, areas around pipes/electrical conduits that enter buildings through walls.

  • Reduce any clutter you may have indoors and outdoors which will help minimize nesting habitat around the property.

  • Move dumpster to at least 50 feet away from the building.

  • Keep all exterior doors closed and store food in pest-proof containers.

  • Clean food preparation areas throughly.

How To Get Rid Of And Monitor For Deer Mice
Pest control experts
  • Monitor mice with non-toxic bait blocks in tamper-resistant bait boxes.

  • You can use snap traps placed with triggers toward the baseboards, especially in dark corners.

  • Use multiple baits like peanut butter, hot dogs, floss, etc.

Learn More by reading out blog post:

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