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Where Mosquitoes Lay Eggs

Adult flying mosquitoes frequently rest in grass, shrubbery, or other plants, but they never develop there.

Instead, depending on the type of mosquito, they lay eggs in:

  • Containers like old tires, bird baths, clogged gutters, flower pots, trash cans, and buckets. They lay the eggs on the sides of the container. When the container is filled with water – usually from rain – the eggs hatch. These mosquitoes usually stay within 100 feet of their breeding site.
  • Permanent waters like edges of ponds, lakes, creeks, freshwater marshes. Mosquitoes lay their eggs directly on the water.
  • Temporary water pools like roadside ditches, canals, ground pools, tire ruts, clogged streams and irrigated land.
  • Moist soil that is often flooded by rising streams and rivers. The eggs hatch when the area is flooded. Adult mosquitoes of this type often fly as far as 20 miles.

Mosquito Life Cycle

In hot, humid weather, mosquitoes can develop from eggs to adults in as few as five days. They go through four stages of development:

  1. Shows the four stages of a mosquitos life cycle: eggs, larva, pupae and adult mosquitoEggs must be in water to be able to hatch. They can be laid directly on water, on soil in places that often flood, or on the sides of containers that will be filled with water. Eggs will hatch into larvae in three hours to two days.
  2. Larvae (wrigglers) live, feed, and grow in water. Larvae change into pupae in five to nine days.
  3. Pupae (tumblers) also live in water. Pupae do not feed. The adult emerges from the pupa in one to two days.
  4. Adults are active, free-flying insects. After emerging from the pupa, they dry and harden their skin (cuticle) on a nearby plant and then feed on a sugar source, such as nectar or plant juices. The female flies off in search of a blood meal from a human or animal. Mating can take place before or after the blood meal. The adult female can live only a few days or as long as a few weeks, depending on the temperature.

For more information please contact your local Mosquito Control Program.