General Information

Adults are 3 to 6 mm long, piercing and sucking mouth-parts

Mosquito Life Cycle

All mosquitoes have four stages of development – egg, larva, pupa and adults – and spend their larval and pupa stages in water.

Project ImageAfter the female mosquito obtains a blood meal (male mosquitoes do not bite), she lays her eggs directly on the surface of the stagnant water, in a depression, or on the edge of a container where rainwater may collect and flood the eggs. The eggs hatch and a mosquito larva or “wriggler” emerges. The larva lives in the water, feed and developes into the third stage of the life cycle called a pupa or “tumbler”. The pupa also lives in the water, but no longer feeds. Finally, the mosquito emerges from the pupal case and the water as a fully developed adult, ready to bite.

Project ImageWhen the adult mosquitoes emerge from the aquatic stages, they mate, and the female seeks a blood meal to obtain the necessary protein for the development of her eggs. The female of a few species may produce a first batch of eggs without this first blood meal. After a blood meal is digested and the eggs are laid, the female mosquito again seeks a blood meal to produce a second batch of eggs. Depending on her stamina and the weather, she may repeat this process many times without mating again.

The male mosquito does not take a blood meal, but may feed on plant nectar, honeydew or plant secretions. He lives for only a short time after mating.

The whole life cycle normally complete in a week.

What Attracts Mosquitoes

Mosquitoes are attracted by perspiration, warmth, body odor, carbon dioxide and LIGHT.

What you can do to help fight mosquitoes

Physical Control Methods

  • Empty standing water in old tires, buckets, plastic covers or any other container where “wrigglers” and “tumbler” live.
  • Empty and change the water in wading pools and potted plant trays on a very frequent basis.
  • Keep rain gutters unclogged.
  • Make sure window and door screens are “bug tight.”
  • Replace your outdoor lights with yellow “bug” lights.

Chemical Control Methods

  • Fogging: Pesticides will be release in the form of smoke /fog
  • Misting: Pesticides will be release in the form of mist / minute droplet
  • Mosquito Repellent: Applied on skin or clothes, active for a few hours only
  • Larvicide: Applied in larval breeding sites
  • Surface spray: Residual spraying of surface known to be frequented by mosquitoes
  • Space treatment: Widely use for rapid relief from mosquito annoyance

Diseases Transmitted

# Mosquitoes Disease Disease agent Reservoir
1 Aedes aegypii Dengue fever Dengue Man
2 Aedes albopictus Dengue Haemorrhagic Fever Virus
3 Anopheles sundaicus Malaria Protozoa Man
4 Culex tritaeniorhynchus Japanese B Encephalitis J E Virus Pigs

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