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Mosquitoes Biting During the Day? Here's Why It Happens in Florida

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If you're getting mosquitoes biting during the day, in the middle of the afternoon while you water the plants or sit by the pool, you're not imagining it. Most people grew up hearing that mosquitoes come out at dusk. That's true for some of them. But two of the mosquitoes that bother South Florida yards the most are daytime biters, and they're breeding closer to your back door than you'd think.

Asian tiger mosquito (Aedes albopictus)
Photo: James Gathany, CDC / Wikimedia Commons, public domain

Which mosquitoes bite in daylight

The Asian tiger mosquito and the yellow fever mosquito both bite during the day. They lay eggs in containers that hold a little water. They're the reason a shady patio can be miserable at 2 p.m.

The southern house mosquito is the one people picture: it bites mainly in the evening and at night. It breeds in dirty, stagnant water, like clogged drains and buckets of old rainwater.

So if you're bitten all day and again after dark, you probably have more than one kind around.

The Asian tiger mosquito in Florida

It's easy to spot: black with white stripes on the legs and body. A few habits explain why it's such a pest around homes:

  • It tends to bite low, around ankles and legs.
  • It rests in shade close to the ground, under shrubs, decks and patio furniture.
  • It usually doesn't fly far from where it hatched, so the source is often in your yard or the one next door.

More on the Asian tiger mosquito page.

The yellow fever mosquito

About the same size, with white bands on its legs and a white lyre-shaped mark on its back, the yellow fever mosquito is often found near doors and garages and will come inside. If you're getting bitten in the kitchen in the afternoon, this is a likely suspect. Night biting after dark is more often the southern house mosquito.

Why mosquitoes biting during the day come from your own yard

Daytime biters are container breeders. A bottle cap of water can be enough for some larvae. Look for:

  • plant saucers, buckets and kids' toys
  • tarps, grill covers and boat covers that hold a puddle
  • clogged gutters and the AC drain line
  • bromeliads, whose cups hold water; flush the cups with a hose once a week
  • birdbaths and pet bowls that sit for days

Dump and scrub containers weekly. Our mosquito breeding sites page has a full checklist.

If you have questions about bites and health, follow the health department's guidance on bite prevention, and use an EPA-registered repellent when you're outdoors.

What we do about daytime biters

Because these mosquitoes rest in shade near where they bite, the treatment goes there. Our mosquito control service is a professional mosquito barrier spray treatment with a backpack fogger, recommended monthly. We treat the shady resting spots around the yard, and we use larvicide on breeding spots around the home only, never ponds, lakes, canals or the Intracoastal. Keep kids and pets off treated areas until dry, and follow your technician's instructions.

To see how long one visit holds up, read how long mosquito treatment lasts. Hosting something outdoors? Here's how far ahead to book a mosquito spray before a party.

Monthly mosquito plans are quoted after the inspection. For plan customers: "If pests come back between visits, so do we, at no extra cost." There are no long-term contracts and no cancellation fees, just a simple service agreement. We're family-run and licensed, with 30+ years in the business, and hablamos español. More on our mosquito FAQ and in our guides.

Daytime mosquito questions

Why are mosquitoes biting me during the day?
In South Florida, it's usually the Asian tiger mosquito or the yellow fever mosquito. Both bite in daylight.
Why do mosquitoes bite my ankles?
The Asian tiger mosquito tends to bite low, and it rests close to the ground in shade.
Are daytime mosquitoes coming from my yard?
Often, yes. They breed in small containers and don't usually travel far, so check your yard and talk to your neighbors.
Does mosquito treatment work on daytime mosquitoes?
It helps. The treatment goes on the shady spots where they rest, and dumping standing water cuts down on new ones. Expect fewer mosquitoes, not none.

Want fewer afternoon bites?

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