Dallas, TX — Dallas County

Dallas Mosquito Control
Barrier Spray & West Nile Protection

Dallas County is one of the top West Nile virus hotspots in the country. Citronella candles and bug zappers won't protect your family. Romex applies professional barrier spray that kills mosquitoes on contact and keeps working for 21–30 days — targeting the shaded resting areas where 90% of yard mosquitoes hide during the day.

Barrier Spray + LarvicideWest Nile ProtectionChild & Pet SafeAll-Natural Options
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What type of property needs service?

Note: We do not service trailer homes or vehicles.

Why Dallas Mosquitoes Are More Than a Nuisance

Dallas County has a documented history of West Nile virus outbreaks that sets it apart from most U.S. cities. The 2012 outbreak was the worst in the country — 19 deaths and nearly 400 confirmed cases in Dallas County alone, prompting emergency aerial spraying across North Texas. The virus never left. Dallas County Health and Human Services (DCHHS) has confirmed West Nile-positive mosquito pools every summer since.

The DFW metro's geography creates ideal mosquito habitat. The Trinity River floodplain cuts through the center of Dallas, creating permanent standing water that sustains massive populations of Culex quinquefasciatus — the southern house mosquito that carries West Nile. The 1,500+ miles of concrete-lined storm drainage channels across DFW also serve as breeding corridors, connecting neighborhoods in continuous mosquito habitat.

Meanwhile, Aedes albopictus (the Asian tiger mosquito) doesn't need ditches or ponds. It breeds in any container holding as little as a bottle cap of water — gutters, flower pot saucers, old tires, and toys left in the yard. Aedes bites aggressively during the day, making backyard barbecues, pool time, and outdoor play miserable from May through October.

The Romex Mosquito Protocol for DFW

A three-layer approach that reduces mosquito populations by 85–95% within 48 hours of treatment.

Barrier Spray

Residual spray applied to vegetation, fence lines, under decks, eaves, and shaded resting areas. Kills mosquitoes on contact and continues working for 21–30 days. Targets the spots where mosquitoes hide during the day between feeding flights.

Larvicide Treatment

Biological larvicide applied to drainage ditches, ornamental ponds, catch basins, and any standing water that can't be eliminated. Prevents mosquito larvae from developing into biting adults. Lasts 30 days per application.

Source Reduction

Our technician identifies and flags standing water sources on your property — clogged gutters, tire swings, bird baths, plant saucers. Eliminating breeding sites is the most effective long-term mosquito reduction strategy and it's included in every service visit.

Mosquito Pressure by DFW Area

High Pressure Zones

  • Trinity River corridor — Floodplain standing water; Culex breeding year-round
  • White Rock Lake / Lakewood — Lake-adjacent standing water and dense tree canopy create constant harbor
  • South Dallas / Pleasant Grove — Drainage infrastructure creates miles of breeding corridors

Moderate-High Pressure

  • Plano / Allen — Spring Creek watershed; irrigation runoff sustains Aedes breeding
  • Arlington / Grand Prairie — Lake Arlington and Johnson Creek floodplain
  • Garland / Mesquite — Creek networks and older neighborhoods with drainage issues

Moderate Pressure

  • Frisco / McKinney — Newer drainage infrastructure reduces breeding but irrigated landscapes attract Aedes
  • North Dallas / Addison — Commercial drainage well-managed but residential pools and containers support breeding
  • Rockwall / Forney — Lake Ray Hubbard creates localized pressure along lakefront properties

Mosquito Control Across the DFW Metro

Dallas Mosquito Control FAQ

When is mosquito season in Dallas?

April through October, with peak activity June through September. Culex mosquitoes (West Nile vectors) are most active at dusk and dawn. Aedes mosquitoes bite aggressively during the day.

Is West Nile virus a real threat in Dallas?

Yes. Dallas County reports among the highest West Nile activity in the U.S. annually. The 2012 outbreak caused 19 deaths in Dallas County. DCHHS conducts aerial spraying in high-risk areas each summer.

How long does barrier spray last?

Professional barrier spray remains effective for 21–30 days depending on rainfall and irrigation. We recommend every-other-month to monthly treatments during peak season for consistent protection.

Is mosquito spray safe for kids and pets?

Yes. The products we use are applied at EPA-approved concentrations and dry within 30 minutes. Once dry, treated areas are safe for children and pets. We also offer all-natural botanical options upon request.

What can I do between treatments?

Eliminate standing water (gutters, saucers, toys, tarps), run outdoor fans on patios, keep grass trimmed to reduce shaded resting areas, and check window screens for tears. Our technician will walk through all recommendations during the first visit.

Reclaim Your Dallas Backyard From Mosquitoes

Don't let West Nile risk keep your family inside. Professional barrier spray reduces mosquito populations by 85–95% within 48 hours. Romex has protected DFW backyards since 2016.

Call (844) 955-2447
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