As Canada Day festivities, weekends at the cottage, and backyard barbecues approach, a mosquito expert is advising Ontarians to get ready for a rise in mosquito activity this summer.
Entomologist Taz Stuart explains that recent rainfall in various parts of Ontario has set the stage for an uptick in pesky mosquito populations.
“I look at two-week windows and based on the precipitation levels in your area, you will potentially see an increase in summer nuisance mosquitoes coming up shortly,” Stuart said.
This warning comes as many people plan to spend more time outside. Stuart points out that standing water is one of the main reasons why mosquitoes thrive around homes and cottages.
“It’s very, very important to do that survey and get rid of those standing water sites,” he said. “A little glass of water can produce a hundred to 250 mosquitoes.”
Common breeding spots include blocked eavestroughs, bird baths, buckets, and other containers that collect water. Stuart mentions that mosquitoes can go from egg to adult in just three days when it’s hot outside.
For those organizing Canada Day gatherings or campfire evenings, Stuart suggests steering clear of peak mosquito hours at dusk and using insect repellent.
“Personal protection is key,” he said. “Use a repellent and avoid when they’re most active at dusk.”
Regarding popular mosquito-control items, Stuart notes that citronella candles and Thermacell-style devices can help but only if conditions are right.
“If it’s windy, they’re not going to do anything for you,” he said.
Stuart also reminds everyone that mosquitoes aren’t just annoying; West Nile virus continues to be the main concern related to mosquito-borne diseases in Canada.
“Overall numbers are down, but this year, with the amount of precipitation most of western and eastern Canada has gotten, we’re going to see probably a surge in numbers because of that,” he said.
While some people seem to attract more bites than others, Stuart reassures us that’s not just a feeling. Female mosquitoes tend to be selective based on factors like body chemistry and how much carbon dioxide they emit.
With warmer weather settling in, Stuart emphasizes that taking preventive measures now can help keep mosquitoes from ruining summer plans.
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