Pest Control Tips & Advice

Las Vegas Cockroach Season: What Every Homeowner Needs to Know

Nobody wants to talk about cockroaches, but if you live in the Las Vegas Valley, you're going to deal with them at some point. Roach activity spikes hard from May through September when overnight temps stay above 75°F. That's when they breed fastest, forage most aggressively, and show up in places you really don't want to see them — kitchens, bathrooms, garages, and laundry rooms.

The first thing to understand is that not all cockroaches are the same, and the species matters because it changes how you treat them.

German Cockroaches vs. American Cockroaches

German cockroaches are the smaller ones — about half an inch long, light brown with two dark stripes behind the head. These are the serious problem. They live exclusively indoors, reproduce extremely fast (a single female produces up to 400 offspring in her lifetime), and they cluster in kitchens and bathrooms near moisture and food. If you're seeing small roaches inside your cabinets or under the sink, you almost certainly have Germans, and over-the-counter sprays will not solve it. They need targeted bait and growth regulators applied by someone who knows where to place them.

American cockroaches — the big ones, sometimes called "water bugs" — are about 1.5 to 2 inches long, reddish-brown, and they fly. In Las Vegas, these are sewer roaches. They live in the storm drain system, irrigation boxes, and block wall voids. When it heats up, they come to the surface looking for water and often end up in garages, bathrooms (they come up through drains), and around exterior doors. Seeing one or two Americans inside doesn't necessarily mean you have an infestation — it usually means they wandered in from outside. But if you're seeing them regularly, there's likely a harborage point near your home.

Why Las Vegas Summers Make It Worse

Three things happen in summer that drive cockroach activity in the valley:

• Heat accelerates breeding. German cockroach eggs hatch in about 28 days at 80°F. At Las Vegas summer temps, populations can double in weeks.
• Moisture becomes scarce. American cockroaches need water daily. When the desert dries out, your irrigation system, pool equipment, leaky hose bibs, and bathroom drains become the best water source around.
• Monsoon rains flood the storm drains. When July and August storms hit, sewer roaches get flushed out of the drain system and scatter into neighborhoods. Henderson neighborhoods near the wash and flood channels see this every year.

What Actually Works

For German cockroaches, the answer is gel bait and insect growth regulators placed in cracks, crevices, hinges, and wall voids where they harbor. Spraying the countertops does nothing — it just scatters them to new hiding spots. Professional-grade bait is a completely different product than what you'll find at Home Depot. We place it in 30+ targeted spots per kitchen. The roaches eat it, bring it back to the harborage, and the colony collapses from the inside.

For American cockroaches, perimeter treatment is key. A residual barrier spray around the foundation, garage door frame, and utility penetrations keeps them from getting in. We also treat irrigation valve boxes and block wall weep holes, which are the two most common outdoor harborage points in Las Vegas neighborhoods.

When to Call

If you're seeing German cockroaches — the small ones inside cabinets — call immediately. Every day you wait, the population grows. For American cockroaches, if you're seeing more than one or two per week inside, you have a harborage nearby that needs professional treatment. Either way, cockroaches don't go away on their own in a Las Vegas summer.

Las Vegas Monsoon Season: The Pests That Come With the Rain

Most people who move to Las Vegas don't realize the desert gets a monsoon season. From roughly mid-July through September, the North American Monsoon pushes moisture up from the Gulf of California, and Southern Nevada gets hit with sudden, heavy thunderstorms. The rain itself isn't the problem — it's what happens to the pest population afterward.

For pests that live underground or in the storm drain system, monsoon rain is a reset button. It floods their nests, drives them to the surface, and pushes them straight toward your house. Every pest control company in the valley sees a spike in calls 24 to 48 hours after a big storm. Here's what shows up and why.

Sewer Cockroaches Surface in Waves

Las Vegas has an extensive underground storm drain system — miles of tunnels that stay relatively cool and moist year-round. American cockroaches thrive down there. When monsoon storms dump an inch of rain in 20 minutes, those tunnels flood and push thousands of roaches to the surface. They scatter into neighborhoods, looking for shelter. Henderson neighborhoods near the Pittman Wash, the Duck Creek Channel, and areas around Sunset Park and Whitney Ranch tend to see the heaviest activity after storms.

The good news: these are outdoor roaches passing through, not an infestation. The bad news: if your garage door doesn't seal well or you have gaps around utility penetrations, they'll get inside. A fresh perimeter treatment before monsoon season creates a chemical barrier they won't cross.

Crickets Swarm Toward Lights

Monsoon moisture triggers massive cricket hatches across the desert floor. Within days of a good rain, field crickets and house crickets appear in huge numbers — attracted to lights on buildings, gas stations, and homes. If you've lived in Las Vegas for any amount of time, you've seen the cricket swarms at commercial buildings along Boulder Highway or on Decatur. They'll pile up against exterior walls, get inside through door gaps, and chirp all night.

Crickets themselves are mostly a nuisance, but they attract scorpions. More crickets near your house means more scorpions hunting near your house. Switching exterior lighting to yellow or amber LED bulbs significantly reduces the attraction.

Scorpions Get More Active

Bark scorpions are already at peak activity in summer, but monsoon moisture makes it worse. The humidity brings more insects to the surface, which brings more scorpions to feed on them. We consistently see scorpion calls spike in August, not June — because monsoon season creates a perfect storm of moisture, prey insects, and scorpions all active at once. Homes in Henderson near the McCullough Range foothills, Anthem, and Inspirada are especially prone because they're right on the desert edge.

Ants Relocate Entire Colonies

Heavy rain floods ant nests underground, so they evacuate. You'll see ant colonies popping up in new spots — against your foundation, in planter boxes, under pavers, and sometimes inside wall voids. Fire ants especially become more visible after rains because their mounds become saturated and they rebuild in higher, drier ground. If new ant mounds appear in your yard after a storm, avoid them and call us — fire ant stings can cause serious allergic reactions in some people.

How to Prepare Before Monsoon Season

• Get a perimeter treatment in June or early July — fresh product before the storms hit creates a barrier that lasts through the worst of monsoon season
• Seal your garage door — add or replace the bottom weather seal. This is the #1 entry point for storm-displaced pests
• Check exterior door sweeps — if you can see daylight under any exterior door, crickets and roaches can get in
• Clear debris from your yard — woodpiles, leaf litter, and stored items against the house become shelters for displaced pests after rain
• Switch to amber exterior lights — dramatically reduces cricket and insect attraction to your home at night

Why Las Vegas Gets Swarmed by Crickets Every Summer

If you've lived in Las Vegas for even one summer, you know the cricket swarms. They pile up on sidewalks, plaster themselves against storefront windows, crunch underfoot at gas stations, and somehow find their way into your garage to chirp at 2 AM. It's a uniquely Las Vegas experience, and it happens every year between late May and September.

The annual cricket invasion isn't random. It's driven by a specific combination of desert conditions that Las Vegas creates perfectly.

Why It Happens Here

Field crickets and house crickets breed in the desert soil surrounding the Las Vegas Valley. They lay eggs in the fall, and those eggs hatch when soil temperatures rise in late spring. In wet years — or after early monsoon moisture — the hatches are enormous. Millions of crickets emerge across the desert floor and migrate toward the brightest light sources they can find: the Las Vegas Valley.

Crickets are strongly attracted to white and blue-spectrum light. A brightly lit commercial building, a porch light, or even the glow from a window is a beacon. They fly and hop toward it, congregate, and then look for ways inside. It's not that they want to live in your house — they're following the light and getting trapped.

The Neighborhoods That Get Hit Hardest

Areas on the edges of the valley catch the swarms first and worst. Southwest Las Vegas near Blue Diamond, Henderson neighborhoods near Anthem and Inspirada, Summerlin along the Red Rock border, Centennial Hills, and the northwest valley near the 215 and Skye Canyon all sit right where desert meets development. Crickets migrate straight from the desert into these neighborhoods. Interior neighborhoods like Green Valley, Paradise, and central Las Vegas still get them, but in smaller numbers.

They're Annoying — and They Attract Worse Pests

Crickets themselves don't bite or carry disease. They can damage fabrics and paper if they get inside in large numbers, but mostly they're just a nuisance. The real problem is the food chain. Scorpions eat crickets. Spiders eat crickets. When cricket populations explode around your house, predator populations follow. A jump in crickets around your foundation in June often means more scorpions at your door by July.

What You Can Do

• Switch exterior lights to amber or yellow LED bulbs. This single change makes a dramatic difference. Amber light doesn't attract crickets the way white or blue-toned light does. Swap your porch lights, garage lights, and any landscape spotlights that shine on the house.
• Seal the garage door gap. The space under your garage door is the main entry point. A rubber bottom seal is a few dollars at any hardware store and takes ten minutes to install.
• Keep exterior doors closed at night. Sounds obvious, but an open back door on a summer evening with patio lights on is a cricket funnel.
• Clear dead crickets regularly. Dead crickets attract live ones (they're cannibalistic) and attract other pests like ants and roaches. Sweep them up when they accumulate near doorways.
• Perimeter treatment. A residual insecticide around the foundation and garage creates a kill zone that stops them before they get inside. This is something we include in every recurring service visit.

When It's More Than a Nuisance

If crickets are getting inside your home in large numbers — more than a handful per week — or if the cricket activity is attracting scorpions, it's time for professional treatment. We target the harborage points, treat the perimeter, and address whatever conditions are drawing them in. In peak season, a single treatment can make a huge difference because you're cutting off the food supply that brings scorpions and spiders closer to your home.

Backyard Pest Guide for Las Vegas: Pools, Patios & Desert Landscaping

You spend good money on your backyard in Las Vegas — the pool, the pavers, the desert landscaping, the outdoor kitchen. Then summer hits and suddenly you're sharing it with ants in the pavers, wasps building nests under the patio cover, mosquitoes breeding in your pool equipment, and scorpions hiding in the decorative rock. It's frustrating because you want to use your yard, especially in the evenings when it finally cools down, and that's exactly when the pests are most active.

Here's what's actually going on in your Las Vegas backyard and what works to fix it.

Mosquitoes: It's the Standing Water

Las Vegas is a desert, so people assume mosquitoes aren't a problem. They're wrong. Southern Nevada has several mosquito species, and the Southern Nevada Health District actively monitors and treats for them. The Aedes aegypti mosquito, which can carry Zika and dengue, has been detected in Clark County.

Mosquitoes need standing water to breed, and Las Vegas backyards are full of it:

• Pool equipment: The skimmer basket area, filter housing, and any spot where water pools around the equipment pad
• Irrigation valve boxes: Those green boxes in your yard collect water and are perfect mosquito breeding sites
• Potted plant saucers: The trays under your potted plants hold just enough water for mosquito larvae
• Clogged rain gutters: Even in the desert, gutters that hold water from sprinkler overspray become breeding sites
• Bird baths and water features: Any still water that doesn't circulate or get treated

The fix is simple: dump or drain anything holding standing water weekly. For water features, a small pump that keeps water moving prevents mosquitoes from laying eggs. For areas you can't drain (like valve boxes), mosquito dunks — small tablets of Bti bacteria — kill larvae without harming pets, plants, or wildlife. You can get them at any hardware store.

Wasps and Paper Wasps

Paper wasps love Las Vegas patio covers. The underside of a patio roof, pergola, or ramada gives them exactly what they need — a sheltered, elevated surface to build nests. They also build in eaves, on outdoor light fixtures, inside BBQ grills that haven't been used in a while, and in the gaps of block walls.

A few wasps flying around your yard isn't necessarily a problem — they're predators that eat other pests. But a nest near a doorway, over a seating area, or near where kids play needs to go. We knock down nests and apply a residual treatment to the spot so they don't rebuild in the same location, which they will try to do.

Ants in the Pavers

If you have a paver patio or walkway, you have ants. Pavers with sand joints are the ideal ant habitat — the joints give them easy tunnel access, the sand is easy to excavate, and the pavers retain heat they like. You'll see little sand piles kicked up between pavers, which are ant excavation mounds.

Harvester ants and fire ants are the two most common species in Las Vegas hardscaping. Harvester ants are the big, red ones that clear vegetation in a circle around their mound. Fire ants are smaller and aggressive — their stings burn and can cause allergic reactions. If you have fire ants in your yard, keep kids and pets away from the mounds and call for treatment. Boiling water and home remedies usually just scatter the colony to a new spot in your yard.

Scorpions in Rock Landscaping

Decorative rock is everywhere in Las Vegas landscaping, and scorpions love it. They hide under rocks during the day, absorb the retained heat at night, and hunt the crickets and insects that also live in the rock beds. If your rock landscaping runs right up to your foundation, you've created a scorpion highway to your house.

You don't have to rip out your landscaping, but creating a clear zone helps. Pull rock borders back 12-18 inches from the foundation. Keep the gap clear or fill it with a smooth material like concrete or packed decomposed granite that doesn't give scorpions hiding spots. A perimeter treatment along the foundation combined with granular product in the rock beds creates a barrier between your landscaping and your home.

Making Your Backyard Livable

The goal isn't to eliminate every bug in your yard — that's not realistic in the desert. The goal is making your outdoor living space comfortable enough to actually use. A combination of smart landscaping choices, eliminating standing water, perimeter treatment, and targeted nest removal gets most Las Vegas backyards to a point where you can enjoy summer evenings without feeling like you're under siege.

How to Keep Scorpions Out of Your Las Vegas Home

If you live anywhere near the desert edge in the Las Vegas Valley — Summerlin, Anthem, Mountains Edge, parts of Henderson near the wash — you've probably had a scorpion encounter. The bark scorpion is the one that keeps Southern Nevada homeowners up at night, and for good reason. It's the most venomous scorpion in North America, it climbs walls, and it loves getting inside your house.

Here's the thing most people don't realize: scorpions aren't coming inside for food. They're coming in for water and shelter. The desert dries everything out, and your home is the coolest, most humid spot around. That means your approach needs to focus on making your home a fortress, not just spraying and hoping for the best.

Seal Every Entry Point

Bark scorpions can squeeze through a gap the width of a credit card. Walk the perimeter of your home and look for gaps around pipes, under doors, where stucco meets the foundation, and around utility penetrations. Caulk every one. Weather-strip your garage door — we find more scorpions in garages than any other room.

Fix Your Landscaping

River rock and decorative gravel right against your foundation is a scorpion highway. They hide under rocks during the day and walk straight to your walls at night. Pull rock borders back at least 12-18 inches from the foundation. Trim any tree branches or bushes touching the house — scorpions are climbers and will use branches as a bridge to your roof.

Cut Off the Food Supply

Scorpions eat crickets, roaches, and other small insects. If you have a bug problem, you have a scorpion food source. Outdoor lighting attracts crickets, which attract scorpions. Switch to yellow or amber bulbs near entry doors — they attract far fewer insects.

When to Call a Pro

If you're finding scorpions inside more than once a month, or you've spotted them in bedrooms or bathrooms, it's time for professional treatment. A targeted perimeter spray combined with granular treatment around the foundation creates a barrier they can't cross. We treat hundreds of homes in Henderson and Summerlin specifically for scorpions — it's by far our most common call from April through October.

Why Ants Invade Las Vegas Kitchens Every Summer

Every May, the calls start rolling in. "I woke up and there's a line of ants going from my front door to my kitchen." It happens like clockwork in Henderson, Green Valley, Paradise, and pretty much everywhere in the valley. And it's not because your house is dirty — it's because the desert is trying to kill them, too.

When ground temperatures hit 110+ degrees on the surface, ants abandon their outdoor colonies and go looking for water and food in the nearest structure. Your home. They send scouts first, and once a scout finds a crumb or a drip under your sink, it lays a pheromone trail that says "food this way" to thousands of its friends.

What You're Probably Seeing

The most common kitchen invader in Las Vegas is the Argentine ant — small, dark brown, and they travel in long organized lines. They're not dangerous, but they're relentless. If you're seeing larger, reddish ants outside near cracks in your driveway, those are likely fire ants, and you should leave those alone and call us. Fire ant stings are no joke, especially if you have kids or pets.

What Works (and What Doesn't)

Spraying the ants you see with Raid kills the ones on the counter but does nothing to the colony. You're dealing with thousands of ants underground — the ones in your kitchen are maybe 10% of the population. The colony just reroutes and sends more.

What actually works is bait. The ants carry it back to the colony and share it — that's how you wipe out the source. But the bait needs to be the right type for the species, placed in the right spots, and you need to resist the urge to spray while the bait is working. Professional-grade bait systems outperform store-bought options significantly because we can match the bait to the species and place it strategically along their actual trail paths.

Prevention Between Treatments

• Wipe counters nightly — even small crumbs attract scouts
• Fix dripping faucets. Ants need water more than food in the desert.
• Store pet food in sealed containers, not open bags on the floor
• Seal gaps where pipes enter the wall under sinks

Rodent-Proofing Your Henderson Home Before Winter

Las Vegas doesn't get brutal winters, but it gets cold enough. When nighttime temperatures drop into the 30s and 40s in November, roof rats and house mice start looking for warmer accommodations — and your attic, garage, and kitchen are at the top of their list.

We see a huge spike in rodent calls from October through January, especially in older neighborhoods in Henderson, Green Valley, and the east side of Las Vegas where mature trees give roof rats easy highway access to rooflines. If you've got a citrus tree, palm trees, or oleanders near your house, you're even more at risk.

Roof Rats vs. House Mice

Roof rats are the bigger concern in Southern Nevada. They're excellent climbers, they nest in attics and palm trees, and they can chew through drywall, PVC pipes, and electrical wiring. You'll hear scratching in the ceiling at night. House mice are smaller and tend to stay at ground level — garages, under appliances, inside walls. Both are a health risk and can cause significant property damage.

The Fall Inspection Checklist

Before temperatures drop, walk your property and check these areas:

• Roof vents and eaves: Roof rats only need a hole the size of a quarter. Look for gnaw marks or gaps in soffit vents.
• Garage door seal: If daylight comes through the bottom, mice can get in. Replace worn weather stripping.
• AC line penetrations: The hole where your AC lines enter the house is almost always bigger than it needs to be. Stuff it with steel wool and seal with caulk.
• Tree branches: Cut back anything within 4 feet of the roofline. Roof rats jump surprisingly far.
• Fruit trees: Pick up fallen fruit daily. Citrus and dates on the ground are an open invitation.

When Traps Aren't Enough

Store-bought snap traps work for a mouse or two, but if you're hearing activity in multiple areas of the house, you're likely dealing with an established population. At that point you need a professional exclusion — we find every entry point, seal them with rodent-proof materials, and set up a strategic trapping program to clear out whoever's already inside. Poison bait has its place, but we never use it inside living spaces because of the risk to kids and pets, and because a poisoned rat that dies in your wall is a smell you won't forget.

Is Monthly Pest Control Worth It in Las Vegas?

We get this question constantly, and the honest answer is: it depends on your situation. But let us lay out the numbers and the reality of living in the Mojave so you can make an informed call.

The Problem With One-Time Treatments

A one-time pest treatment in Las Vegas typically runs $150+ depending on property size and what you're dealing with. It works — for a while. The products we use have residual effectiveness for 30-60 days depending on weather and sun exposure. After that, you're unprotected again.

In a climate like Seattle or Portland, that might be fine. Pest pressure is seasonal and moderate. In Las Vegas, pest pressure is year-round and intense. Scorpions are active April through October. Ants push inside when it's hot. Rodents push inside when it cools down. Roaches breed year-round. There's never really a break, which means a one-time treatment turns into calling us every 2-3 months when something shows up again.

What Recurring Plans Actually Cost

Here's the real math for a typical Las Vegas home:

• One-time treatments, as-needed: 3-5 calls per year at $150+ each = $450-$750/year, plus the stress of dealing with a pest problem each time
• Bi-monthly plan: $90/visit, 6x per year = $540/year with continuous protection

For most homes in Henderson and central Las Vegas, a bi-monthly plan hits the sweet spot — you stay protected year-round and it costs less than reactive one-time treatments.

What's Included

Every recurring visit includes a full perimeter spray, targeted interior treatment of entry points, de-webbing of eaves and window frames, granular treatment around the foundation, and a quick inspection for new activity or conditions that could attract pests. We also treat the garage, which most companies skip unless you ask.

Who Should Skip It

If you live in a newer condo or apartment in a well-sealed building and you've never had a pest issue, you probably don't need a recurring plan. If you're in a single-family home anywhere in the valley — especially with a yard, near desert, or with mature landscaping — recurring treatment is worth every penny. The difference between "I never see bugs" and "why are there ants again" is usually just consistent perimeter protection.