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Interested in controlling the tick and mosquito population of your backyard? Click here to learn more!
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2025 Treatment Programs
3 Week Mosquito & Tick Program*
→ Mosquitoes & Ticks (8 Treatments): Your yard will be treated every three weeks from your start date. Program will run through September. Best Results!
4 Week Mosquito & Tick Program*
→ Mosquitoes & Ticks (6 Treatments): Your yard will be treated every four weeks from your start date. Program will run through September.
6 Week Mosquito & Tick Program*
→ Mosquitoes & Ticks (5 Treatments): You will see a reduction in the mosquito population for the first few weeks of each treatment.
7 Week Mosquito & Tick Program*
→ Mosquitoes & Ticks (4 Treatments): You will see a reduction in the mosquito population for the first few weeks of each treatment.
(*Choose From Organic or Synthetic)
Our Service Area
Backyard Defenders is currently serving customers in Chelmsford, MA and Westford, MA.
You can be bitten by a mosquito at any time of the day, although certain species are more active at different times. You have the highest risk of being bitten from just before dusk until dawn. Female mosquitoes bite to suck blood, using the blood to develop their eggs.
What Attracts Mosquitoes To Us?
Mosquitoes are attracted to 4 stimuli:
- Carbon dioxide we exhale from as far as 50 feet away.
- Lactic acid on your skin when exercising.
- Certain scents or fragrances.
- Dark colors.
Lyme disease is the fastest-growing vector-borne disease in the US. Though there are 80 tick species in the US and 850 species worldwide, the deer tick or (blacklegged) is known to carry Lyme disease. The other common tick, the American dog tick (wood tick), does not. Nymphal deer ticks are very small and difficult to spot. They are associated with more cases of Lyme disease, because preventing their bites is difficult. People who are wary of tick bites are usually more familiar with adult deer ticks. They are very large, and therefore are more likely to be found before they bite and transmit the disease.
Mosquito Prevention Can Save Your Pet from Heartworms
Heartworm is a scary word for dog and cat owners. It means a hefty vet bill for your wallet and uncertainty for your pet’s future. In the United States, heartworm disease is found in all 50 states. It is most common along the Atlantic and Gulf coasts. A heartworm...
5 Ways to Easily Identify if Your Yard is Becoming a Haven for Unwanted Pests
When it comes to stopping unwanted yard pests, you may not believe there is much an everyday homeowner can do, but we are here to let you know that there are plenty of simple ways in which you can protect your family and yard. To start, it can make a big difference...
Risk of Deer Tick Bites Hits High in July
We’ve been in the midst of tick season since spring, but July is actually the most dangerous month to encounter deer ticks. The reason for the high probability of encounters has to do with the deer tick’s life cycle. Deer Tick Nymph Season The deer tick nymph season...
What Our Customers Say
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Reach out directly at 978-697-1049 for a quote on our 2025 Mosquito & Tick Treatment programs!
Backyard Defenders’ Mosquito & Tick High Pressure Spraying Truck used to treat yards in the Chelmsford area.








