The Pack Rats (Woodrats) (Neotoma albigula) is gray-brown above, white below and typically measures 12–15 inches including tail. The white-throated woodrat (Neotoma albigula), commonly called a pack rat, is a native Arizona rodent that is a frequent pest in desert communities. Pack rats build large, conspicuous stick nests — ca.

The Pack Rats (Woodrats) poses a moderate risk. Pack rats chew through vehicle wiring harnesses, causing thousands of dollars in repair costs. They damage HVAC ductwork, irrigation systems, and outdoor equipment. Their urine and droppings can carry hantavirus, a serious respiratory illness.

In Arizona, pack rats (woodrats)s are most often encountered in the following situations: Large stick nests (middens) under vehicles, in engine compartments, near HVAC units, or in dense desert vegetation. Chewed wiring, hoses, and insulation in vehicles. Cactus joints and debris piled around nest sites. Droppings near nest areas.

The Pack Rats (Woodrats) is most active during: Year-round; most active at night. Arizona's warm desert climate can extend activity periods compared to other states, so year-round vigilance is recommended in the Phoenix metro and surrounding areas.

Park vehicles in a garage when possible. Place wire mesh or hardware cloth under vehicles. Remove dense desert vegetation near the home. Eliminate debris piles and wood stacks that provide nesting material.

Nest removal, snap traps, and exclusion work. Bait stations are effective for ongoing control. Vehicle protection measures including wire mesh and repellent devices are recommended in high-activity areas.

If you are seeing pack rats (woodrats)s repeatedly, finding evidence of an established population, or if DIY treatments have not resolved the issue within a week or two, it is time to call a professional. Pest Control Bros offers free inspections and same-week service across the Phoenix metro area — no contracts required.