Answer Center
Arizona Pest Control Answers
Straight answers to the questions our Service Pros get asked most across the Gila Valley, White Mountains, and Sierra Vista. Each page opens with a short answer, then goes deeper on what to look for, what you can do, and when professional treatment is warranted.
Scorpions
- Are bark scorpions dangerous in Arizona?Arizona bark scorpions are the most venomous scorpion in North America. What a sting feels like, who is at real risk, and what to do next.
- Why are scorpions getting inside my house in Arizona?Scorpions enter Arizona homes through door gaps, weep holes and utility penetrations chasing prey and moisture. The real causes and how to close them.
- How do I keep scorpions out of my home?A practical Arizona checklist: door sweeps, weep-hole screening, landscape changes and perimeter treatment that actually keep scorpions outside.
- What attracts scorpions to a house?Food, water and harborage are what pull scorpions to Arizona homes. The specific yard and lighting conditions that create pressure — and what to change.
- When is scorpion season in Arizona?Arizona scorpion activity runs roughly March–October and peaks during monsoon season, but scorpions overwinter indoors. What that means for timing service.
Termites & WDIR
- What are termite mud tubes?Mud tubes are soil tunnels subterranean termites build between the colony and your wood. How to identify them and what finding one means in Arizona.
- When is termite season in Arizona?Arizona subterranean termites feed all year; swarms come in spring and after monsoon rains. What swarming means and when to schedule an inspection.
- How do I know if I have subterranean termites?Mud tubes, shed wings, hollow wood and pinholes in drywall are the practical signs of subterranean termites in Arizona homes. How to check your property.
- What is a WDIIR (termite inspection report) in Arizona?A WDIR (form NPMA-33) is the licensed wood-destroying insect report Arizona lenders require before closing. What it covers, what it doesn't, and timing.
Rodents & Pack Rats
- Are pack rats common in Arizona?Pack rats (woodrats) are native and widespread across Arizona. How to recognize a midden, why they chew wiring, and the real health and snake risks.
- How do I keep pack rats away from my property?Midden removal, habitat cleanup, exclusion sealing and trapping — the practical order of operations for keeping Arizona pack rats off your property.
Weed Control
- When should pre-emergent weed control be applied in Arizona?Two windows: late January–February for spring and summer weeds, September–October for winter weeds. Why timing, not product, decides the result.
- Why do weeds come back after pre-emergent?Broken barriers, missed timing, no activation water and single yearly applications are why Arizona weeds return after pre-emergent. How to fix each cause.
Looking for something else?
Browse the full pest library, our service list, service areas, or the blog. You can also contact a local branch directly.