Mosquito Control in Whitby
If you need mosquito control in Whitby, AstraHive Pest Control offers licensed treatment backed by a 90-day warranty. Standing water on your own Whitby property is what public larviciding programs do not reach.
West Nile virus and mosquitoes: what Durham Region Health Department reports
- Residents can ask the Health Department to treat private property catch basins with larvicide through an online application at durham.ca/BYCBlarvicide, and report stagnant water on public property at durham.ca/ReportStagnantWater.
- Durham Region reported 21 human West Nile virus cases and 26 West Nile positive mosquito batches in 2025.
More on mosquitoes for Whitby homeowners
| What the guides say | Guide |
|---|---|
| Mosquitoes are most active at dawn and dusk, which makes those hours the riskiest outdoors. | Public Health Agency of Canada: preventing West Nile virus |
| Old tires, rain barrels, children's toys and flowerpots all hold water that breeds mosquitoes. | Public Health Agency of Canada: preventing West Nile virus |
| Light-coloured clothing is a better choice because mosquitoes are attracted to dark colours. | Public Health Agency of Canada: preventing West Nile virus |
| Even a puddle can breed mosquitoes, so small amounts of standing water count. | Health Canada: mosquitoes |
Mosquitoes in your Whitby home or building?
Our licensed technicians start with an inspection and a clear plan for your property.
Call 905-925-8427How AstraHive Pest Control gets rid of mosquitoes in Whitby
- Find the breeding zones: gutters, low-lying areas, ornamental ponds and bird baths first.
- Larvicide on standing water that cannot be drained.
- Residual treatment on dense foliage, shaded resting zones and foundation and perimeter edges.
- Monthly follow-up from May through September, if you want it.
Products are Health Canada approved and applied according to the product label, and our technicians are licensed by the Ontario Ministry of the Environment, Conservation and Parks (MECP). Our standard 90-day warranty applies to our treatments, and your technician confirms the terms for a seasonal mosquito program when you book.
West Nile virus and mosquitoes in the news near Whitby
| When | What was reported | Source |
|---|---|---|
| As of 17 September 2026 | Durham's season total was 41 positive mosquito pools from 32,105 mosquitoes trapped at 16 sites. Whitby had 4 positive pools. | Durham Region: adult mosquito surveillance |
Paraphrased from the linked sources. Counts are as reported on the date shown.
Private yards in Whitby
70% of homes in Whitby are detached houses with private yards. Gutters, planters, tarps and bird baths on a private lot are breeding sites that public larviciding does not reach.
Source: Statistics Canada, 2021 Census, private households in Whitby. Shares of occupied private dwellings.
Areas near Whitby that we also serve
| Page | Distance from Whitby | Direction |
|---|---|---|
| Mosquito control Oshawa | 6 km | east |
| Mosquito control Brooklin | 7 km | north |
| Mosquito control Ajax | 8 km | southwest |
| Mosquito control Seaton | 9 km | west |
| Mosquito control Courtice | 12 km | east |
| Mosquito control Pickering | 13 km | southwest |
Straight-line distances between area centres, rounded.
Mosquitoes near Whitby: what the sightings show
GBIF, the open biodiversity database, holds 14 recorded sightings of Culex, Aedes and Culiseta mosquitoes within roughly 13 km of Whitby, and the busiest month is August with 5.
| Species or group | Recorded sightings |
|---|---|
| Aedes mosquitoes (Aedes) | 14 |
Source: GBIF.org occurrence records for Canada. These are observations logged by naturalists and museums, so counts show where people looked as well as where a species lives.
Within about 4 km of the centre of Whitby, OpenStreetMap maps 5 named creeks or rivers, including Pringle Creek, Lynde Creek, Otter Creek and Corbett Creek and 3 named ponds or water bodies, including Lick Pond, Auckland Drive Reservoir and Lynde Creek. Still water in ponds, stormwater ponds, ditches and catch basins is what health units monitor for mosquito breeding.
Frequently asked questions: Whitby
How warm does Whitby get in July?
The Oshawa WPCP station's July mean is 20.6 degrees Celsius, with about 3.8 days a year above 30 degrees Celsius.
Is West Nile virus a concern here?
Public health units monitor mosquito pools each season, and the usual advice is to cut breeding water and avoid bites at dusk. OpenStreetMap maps water near the centre of Whitby, including Pringle Creek, Lynde Creek and Otter Creek, and damp ground near water suits mosquitoes.
When does mosquito season start and end?
Activity follows warm weather. Treatment programs typically run monthly from May through September.
Sources
- Town of Whitby: Property Standards By-law 6874-14 . rodents and injurious insects, screening, receptacles
- Town of Whitby: Landlord and Tenant Information and Resources . landlord pest control duties
- Tribunals Ontario, Landlord and Tenant Board: Maintenance and Repairs . landlords must control pests such as cockroaches and mice; municipal standards
- Region of Durham: Tenant rights in Ontario regarding bed bugs . landlord and tenant roles, notice, licensed companies
- Region of Durham: Check&GO! Durham . published inspection results
- Region of Durham: Health Department begins 2026 West Nile virus surveillance program . 2025 cases, program dates, private catch basins
- Environment and Climate Change Canada: Canadian Climate Normals 1981-2010 . monthly temperature, precipitation, frost days and degree-days
- Durham Region: adult mosquito surveillance
- Statistics Canada: structural type of dwelling by tenure, 2021 Census (table 98-10-0240-01) . dwelling types and renter households
- Statistics Canada: dwelling condition by period of construction, 2021 Census (table 98-10-0233-01) . age of homes and repair needs