Can bed bugs survive a year without feeding?

Yes. Adult bed bugs in cool conditions can survive 12-18 months without a blood meal. At typical home temperatures, survival is 3-6 months.

Will leaving my home empty for a month kill bed bugs?

No. Adult bed bugs can survive 3-6 months without feeding at room temperature. Vacating your home will not eliminate an infestation.

Do bed bugs die in the Arizona heat?

Bed bugs die at sustained temperatures of 118 degrees F or higher. While Arizona summers get extremely hot, indoor temperatures rarely reach lethal levels unless you use professional heat treatment equipment.

Can bed bugs survive in a car?

Yes. Bed bugs can survive in vehicles, especially in seat seams and carpet. Cars parked in direct Arizona sun can reach lethal temperatures (120 degrees F or higher) in summer, which may kill bugs in the vehicle.

How long do bed bug eggs survive without hatching?

Bed bug eggs can remain viable for weeks to months under the right conditions. They are not affected by starvation — they simply wait for conditions to improve before hatching.

Do bed bugs hibernate?

Bed bugs do not truly hibernate, but they become less active in cold temperatures and can enter a semi-dormant state that extends their survival without feeding.

Can I kill bed bugs by turning off my AC in Arizona summer?

Possibly in extreme cases — if indoor temperatures reach 118 degrees F or higher for 90+ minutes. However, this is unreliable, dangerous for your home, and not recommended as a treatment strategy.

What is the fastest way to kill bed bugs?

Professional heat treatment is the fastest and most effective method, killing all life stages in a single 6-8 hour treatment. Chemical treatment is also effective but typically requires 2-3 visits.

Bed Bugs

How Long Do Bed Bugs Live Without Feeding? Arizona Homeowner Guide

Back to Blog6 min readArizona

⚠️ Myth: "I'll just leave my home empty for a few weeks to starve them out."

This does not work. Adult bed bugs can survive 3–6 months without feeding at typical Arizona home temperatures.

Thinking of leaving your home empty to starve bed bugs? It will not work. Learn how long bed bugs can survive without a blood meal and what actually kills them.

One of the most common misconceptions about bed bugs is that you can starve them out by vacating your home for a few weeks. Unfortunately, this strategy almost never works. Bed bugs are remarkably resilient insects capable of surviving extended periods without a blood meal — far longer than most homeowners expect. Understanding their survival capabilities is essential for choosing an effective treatment strategy and avoiding costly mistakes.

Bed Bug Survival Without Feeding by Life Stage

Life Stage / Conditions	Survival Without Feeding	Notes
Adult (cool, 50–60°F)	12–18 months	Maximum survival — cool storage conditions
Adult (room temp, 70–80°F)	2–6 months	Typical Arizona home conditions
Late-stage nymph	2–3 months	More resilient than early nymphs
Early-stage nymph	2–4 weeks	Least resilient life stage
Eggs	N/A (not affected)	Eggs wait to hatch — starvation does not apply

How long bed bugs survive without feeding depends heavily on temperature and life stage. Adult bed bugs in cool conditions (50-60 degrees F) can survive 12-18 months without feeding. At room temperature (70-80 degrees F), adults typically survive 2-6 months without a blood meal. Nymphs (juvenile bed bugs) are less resilient — early-stage nymphs may survive only a few weeks without feeding, while later-stage nymphs can last 2-3 months. Eggs are not affected by starvation at all — they simply wait to hatch. In Arizona's climate, where homes are typically kept at 72-78 degrees F year-round, adult bed bugs can realistically survive 3-5 months without feeding. This means vacating your home for a month or two will not eliminate an infestation. When you return, the surviving bugs will simply resume feeding.

Why Starvation Doesn't Work in Arizona

Arizona homes are kept at 72–78°F year-round — ideal conditions for bed bug survival. At these temperatures, adults can survive 3–5 months without feeding. Even if you vacate for 2–3 months, surviving adults will resume feeding when you return, and any eggs that hatched during your absence will be ready to feed immediately.

What Actually Kills Bed Bugs

What actually kills bed bugs: Heat (118 degrees F sustained for 90+ minutes) kills all life stages including eggs. Cold (0 degrees F for 4+ days) can kill bed bugs but is impractical for whole-home treatment. Professional insecticides applied by a licensed pest control company kill bugs on contact and provide residual protection. Diatomaceous earth damages the bugs' exoskeleton over time but is slow-acting and ineffective against eggs. The most reliable approach is professional heat treatment or a combination of chemical treatment and follow-up inspections. Do not attempt to starve bed bugs out — it wastes time and allows the population to grow. Call Pest Control Bros LLC at (520) 424-5244 for a free inspection and treatment recommendation.