OCP

Mosquitoes Ruining Your Yard? We Eliminate Breeding Sites and Adults.

Los Angeles mosquito pressure has intensified with the spread of the invasive Aedes aegypti and Aedes albopictus species — day-biting mosquitoes that breed in tiny water sources and are much harder to control than native species. We target breeding sites and adults to restore your outdoor comfort.

Licensed · Insured · LA-Based

Signs You Have a Problem

  • Bites occurring during daytime hours, particularly in the morning and late afternoon — native Culex mosquitoes bite at dusk and dawn, but the invasive Aedes aegypti (yellow fever mosquito) bites aggressively during the day
  • Bites concentrated on the ankles and lower legs while outdoors — Aedes aegypti is a low-flying species that preferentially bites below the knee, a behavior that distinguishes it from other mosquito species
  • Visible mosquito activity in heavily planted areas of your yard, particularly around dense shrubs, ground cover, and shade trees where adults rest during daylight hours
  • Standing water in saucers under potted plants, bird baths, clogged gutters, low spots in the lawn, or containers left outside — Aedes aegypti breeds in containers as small as a bottle cap and can complete a breeding cycle in less than a week
  • Mosquito larvae (wigglers) visible in standing water sources — larvae are small, comma-shaped, and visible near the surface of still water sources
  • Mosquito complaints from neighbors — Aedes aegypti populations spread quickly through urban neighborhoods and a high-pressure yard typically reflects conditions across several adjacent properties

Our Treatment Process

  1. 1

    Property Assessment and Breeding Site Survey

    We walk the entire property to identify every standing water source and potential breeding site — potted plant saucers, bird baths, clogged gutters, tree holes, tarps and tarped items, rain barrels, pool equipment, downspout splash blocks, and any low-lying areas that hold water after irrigation. In Los Angeles, the invasive Aedes aegypti breeds in micro-containers that most property owners would not recognize as mosquito habitat.

  2. 2

    Larviciding

    Water sources that cannot be eliminated (ornamental ponds, rain barrels, tree cavities) are treated with EPA-registered larvicides — Bacillus thuringiensis israelensis (Bti) biological granules or long-lasting dunks — that kill mosquito larvae without harming other wildlife, pets, or birds. Eliminating larvae before they emerge as adults is the most efficient and environmentally responsible component of mosquito control.

  3. 3

    Adult Barrier Treatment

    We apply a residual adulticide treatment to the vegetation, shrubs, and shaded resting areas on the property where adult mosquitoes harbor during the day. Treatment is focused on the underside of leaves and dense ground cover where mosquitoes rest. This treatment significantly reduces adult populations and provides residual protection for 3–4 weeks depending on weather and irrigation.

  4. 4

    Source Reduction Recommendations

    We document every correctable breeding site and provide specific recommendations for elimination — emptying or treating saucers, clearing gutters, drilling drainage holes in containers, leveling low spots in lawn areas, and adjusting irrigation timing to prevent standing water. Source reduction is the most durable mosquito control measure and reduces the frequency of retreatment needed.

How to Prepare for Treatment

  • Walk the property before our visit and empty any standing water containers you can identify — saucers under pots, buckets, toys, tarps, and any item holding water
  • Clear vegetation and ground cover where possible to improve access for adulticide application to resting sites
  • Keep pets and children indoors during treatment application and for 30 minutes after application while the treatment dries
  • Inform us of any ornamental ponds, water features, or rain collection systems so we can apply appropriate larvicide rather than adulticide near water sources
  • Note any areas of the yard where mosquito activity is heaviest so we can prioritize those resting and breeding sites during our survey

After Treatment: What to Expect

  • Check and empty all standing water sources weekly throughout mosquito season — Aedes aegypti can complete a full breeding cycle in 7–10 days, so weekly source reduction is necessary between treatments
  • Maintain gutters in clear condition — clogged gutters are one of the highest-volume mosquito breeding sites in Los Angeles residential properties
  • Reapply larvicide dunks to ornamental ponds and water features every 30 days through the season, or contact us for a service visit
  • Schedule barrier retreatment every 3–4 weeks during peak season (May through October in LA) for continuous protection
  • Report any areas of renewed high mosquito pressure — daytime biting activity that resumes quickly after treatment may indicate a breeding site we missed that needs attention

Mosquito Control — Frequently Asked Questions

The invasive Aedes aegypti mosquito has established itself throughout the Los Angeles basin over the past decade. Unlike native Culex mosquitoes, Aedes aegypti bites during the day, breeds in tiny amounts of water, and lives in close association with humans rather than near larger water bodies. This species is far more difficult to control with conventional mosquito management and has dramatically increased the bite pressure residents experience in their own yards.

Yes. Culex mosquitoes in Los Angeles are established vectors of West Nile Virus, which has caused illness and deaths in LA County residents. The invasive Aedes aegypti is a vector for dengue fever, Zika virus, chikungunya, and yellow fever — diseases not currently transmitted locally but a public health concern given the mosquito's established presence. LA County Vector Control monitors and responds to disease activity annually.

A neglected, green pool in Los Angeles can produce thousands of mosquitoes per week and is a significant community-level problem. You can report neglected pools and mosquito breeding sites to the Los Angeles County West Vector Control District or the Greater Los Angeles County Vector Control District depending on your municipality. We can treat your property to reduce adult mosquito pressure from neighboring sources, but the source itself needs to be reported to vector control authorities.

Our larvicide products (Bti) are highly selective biological agents that affect only mosquito and fungus gnat larvae and are safe for birds, fish, beneficial insects, and mammals. Our adulticide treatments are applied only to vegetation resting sites and are not applied to flowering plants to minimize contact with pollinators. Pets should be kept away from treated areas for 30 minutes after application. We can discuss specific product profiles with you before treatment.

Need Mosquito Control in Los Angeles?

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