Mosquito Populations Increase After Recent Rains; What to Know
Abundant rain and flooding over the past several weeks, paired with the near triple-digit weather that appears to be setting in, is providing lots of potential to have more breeding grounds for all types of mosquitoes, increasing the chances of mosquito-borne disease for both pets and people. Here’s a closer look at the Four D’s of Protection recommended every mosquito season by Richardson’s Health Department:
- DRAIN standing water. Look for containers on your property holding water that can be emptied such as flowerpots, watering cans, trashcans, etc. Some mosquitoes lay eggs on clean, fresh standing water while Culex mosquitoes (that can carry the West Nile virus) prefer bacteria-laden stagnant water; just small amounts of standing water can produce thousands of new mosquitos within 7-10 days. If standing water can’t be drained, consider placing a larvicide dunk inside it, available online and at most big-box hardware stores.
- Use DEET-containing insect repellant products on exposed skin to protect against mosquito bites. Keep in mind that mosquitoes are active 24/7, with different types preferring to be more active at certain times.
- Avoid being outdoors at DUSK/DAWN. These are the times that Culex mosquitoes (that can carry the West Nile virus) are most active, though they remain active all night until dawn.
- DRESS in long pants and long-sleeved shirts if you need to be outside, to prevent bites.
Experts from the City of Richardson’s Health Department and Texas A&M AgriLife Extension want to remind everyone that although you can reduce mosquito populations through spraying yards with insecticide and draining standing water, spraying has only temporary effects and there are always areas that may be difficult to drain such as tree holes, grassy fields, roof gutters—or containers on a neighboring property, so the best protection is personal protection. As for pets, mosquitoes can transmit heartworms to dogs and cats, so check with your vet regarding heartworm prevention medication.
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