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Pest Library · Biting pestsMosquitoes Identification Guide
How to recognize mosquito breeding and resting areas around your yard.
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How to identify
What mosquitoes look like
Mosquitoes are small flies with long legs and a long piercing mouthpart. Only females bite.
They breed in standing water and rest in cool, shady vegetation during the day.
Signs you have mosquitoes
- Bites at dusk and dawn
- Mosquitoes resting under decks, shrubs and hedges
- Larvae wriggling in standing water
Are they dangerous?
Bites are itchy, and some mosquitoes in Ontario can carry West Nile virus.
How to prevent them
- Empty standing water weekly from planters, toys and tarps
- Clean gutters
- Change birdbath water often
- Ask about a seasonal yard program
Quick facts
Scientific nameCulicidae
Size3–6 mm
ColourGrey-brown, long legs
Most activeMay to September
Found inStanding water, shady shrubs
Risk levelModerate (bites, some carry West Nile)
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