Most mosquito services spray the vegetation and leave. The larvae breeding in your gutters, your low-lying lawn, your ornamental pond, and your neighbor's property keep producing new adults on a 7-14 day cycle. Show Me Pest Control addresses the source in Lander, not just the adults.
Standing water -- gutters, containers, low-lying depressions
Subsurface in standing water -- feeding, developing
Pre-adult stage -- still in standing water, not yet flying
The mosquitoes you see and feel -- only 5% of the problem

The combination of adulticide, larvicide, and source identification is what produces lasting pressure reduction -- not any one treatment alone.
Larval Source Identification -- We walk your property and identify every standing water source where mosquitoes are actively breeding: blocked gutters, low-lying depressions that hold water after rain, ornamental ponds, tarps, containers, children's play equipment, and tree hollows. Most properties have 5 to 12 larval sources the homeowner has not identified. We document every one.
Professional Residual Barrier Treatment -- We apply EPA-registered adulticide to the shaded vegetation, underbrush, deck soffits, fence lines, and ground cover where adult mosquitoes spend 95% of their daylight hours resting. Our professional formulations carry a 21 to 30 day residual under normal conditions -- significantly longer than most consumer products.
For standing water sources that cannot be removed -- a pond, a drainage feature, a rain barrel -- we apply a biological larvicide that kills mosquito larvae at the water's surface without harming fish, frogs, birds, or pollinators. The active ingredient is species-specific to mosquitoes and related flies.
Monthly programs work because the adult knockdown from each treatment overlaps with the setup for the next application. We calendar your visits to maintain below-threshold adult pressure throughout the season, adjusting frequency based on rainfall, larval source load, and your outdoor activity schedule.
The lifecycle dynamic that makes mosquito control challenging is the speed of development combined with the scale of egg production. Each female mosquito produces hundreds of eggs per week. Those eggs develop in standing water in 7 to 14 days. A property with multiple standing water sources is continuously producing new adults on a two-week cycle. A barrier spray that knocks down the adults in the vegetation breaks one link in that chain -- but the larval sources producing the next generation are unaffected. Addressing the larval sources alongside the adult population is the only way to break both links.
How the barrier spray works matters for managing expectations about how long it lasts. The residual adulticide is applied to low vegetation -- the places where resting adults contact treated surfaces during their inactive hours. The product breaks down from UV exposure, rain, and temperature cycling. Under normal seasonal conditions in Lander, WY, a professionally applied residual lasts 21 to 30 days before the active compound degrades below effective concentration. That is why monthly programs are standard: the treatment schedule is aligned to the residual lifespan so that each application is made before the previous one expires. A program that skips a month during peak mosquito season allows the larval pipeline to replenish the adult population after the residual expires.
Still getting bitten after a barrier treatment in Lander? Call +1-866-315-0243. We treat the adults and the larvae -- and show you which standing water sources to address between visits.
The standing water sources that produce the most mosquitoes are frequently not visible from ground level. Gutters are consistently the largest single source on residential properties -- the water is warm, organic-rich, and undisturbed, making it ideal for mosquito development. Properties with clogged gutters may be producing thousands of adults per week from the gutters alone. Low spots in the lawn that hold water for 5 to 7 days after rain, drainage edges along fence lines, containers in landscape beds, and any item that holds even a small amount of water are all breeding sites. We locate them all, address what we can, and document what you can address between visits.
West Nile virus is endemic to Lander, WY and is transmitted by Culex species mosquitoes that are present across the region. Most infections are mild or asymptomatic, but a small percentage produce neurological complications that are serious. The practical recommendation is the same regardless of individual risk assessment: reduce mosquito populations around residential areas to the lowest sustainable level throughout the active season. A recurring program that addresses both adults and larvae accomplishes this. A single event spray does not -- the larval pipeline replenishes the adult population within two weeks of a single barrier treatment.

We locate your larval sources, assess adult resting zones, and explain both halves of the treatment plan before starting.
Call +1-866-315-0243Six services covering adult knockdown, larval source treatment, and recurring seasonal programs.

We find the sources before we spray -- because treating the adults without addressing the larvae produces a two-week result instead of a sustained one.
We treat where adults actually are, not where they fly. Low shaded vegetation within two feet of the ground is the target zone.
Biological larvicide is species-specific to mosquitoes and related flies. It is registered for use near fish and wildlife and does not harm aquatic ecosystems.
Recurring monthly visits timed to maintain adult knockdown residual coverage through the full mosquito season. Each visit includes a property check for new larval sources, barrier spray, and larvicide application as needed.
Single-visit barrier treatment applied 24 to 48 hours before an outdoor event. Knocks down adult mosquitoes in the vegetation and provides residual coverage for the duration of the event and several days beyond.
For properties in areas of Lander, WY with deer tick or lone star tick pressure -- tick and mosquito combined programs provide efficient coverage for both pests.
Property mapped, both halves treated, schedule set -- in order.
Every standing water source identified and documented. Adult resting vegetation zones assessed. Larvicide applications and source eliminations planned before treatment begins.
Every resting zone treated -- not just the visible areas near the deck, but the fence lines, the underbrush edges, the ground cover along the foundation.
Bti-based biological larvicide applied to ornamental ponds, drainage features, and standing water that cannot be drained. Source elimination guidance provided for water sources that can be addressed by the homeowner.
We schedule the return before leaving. No calling back to book -- the program is in place from day one.
Real results when both adults and larvae are addressed in the same visit.
Three summers of unusable backyard. Two previous spray companies. Show Me Pest Control found the larval sources the other companies never looked for -- 7 of them -- and treated every one. Monthly program, outdoor time restored.
Outdoor graduation party in June. Called Show Me Pest Control a few days out. Event prep treatment applied 48 hours ahead. Zero mosquito complaints from 60 guests at an evening party. We had no idea what a difference it would make. Monthly program started the following week.
Previous company refused to touch the pond. Show Me Pest Control applied biological larvicide to it -- fish are fine, frogs are fine -- and treated the rest of the yard. Explained how to maintain the pond treatment between visits. The mosquito situation changed completely.

We find the sources, treat both halves, and schedule your seasonal program. Call +1-866-315-0243.
Call +1-866-315-0243