Aedes Mosquitoes

Insect

Aedes Mosquitoes

Aedes mosquitoes are aggressive daytime biters and major global vectors of diseases such as dengue, Zika, and chikungunya. Their adaptability to urban environments and container breeding habits make them a persistent public health challenge.

Facts

  • Name: Aedes aegypti, Aedes albopictus (and other species within the genus Aedes)
  • Life cycle: Complete metamorphosis: egg to larva to pupa to adult
    Eggs: Eggs are laid on damp surfaces just above the waterline and can survive dry conditions for months
    Larvae: Larvae develop in stagnant water within five to ten days
    Pupae: Pupae transition to adults in two to three days
    Adult: Adults typically live for two to four weeks depending on environmental conditions
  • Description:
    Small, dark-bodied mosquitoes with white or silvery banding on the legs and thorax Wings are clear and unscaled Unlike most mosquitoes, Aedes species are active during daylight hours, especially at dawn and dusk Females require blood meals for egg production and are known for fast, persistent biting behaviour
  • Behaviour:
    Strong preference for feeding on humans Daytime activity with peak biting in early morning and late afternoon Limited flight range, typically under two hundred metres, but spread is aided by human transport Eggs can remain viable in dry conditions, enabling rapid population resurgence after rainfall
  • Habitat:

    Aedes mosquitoes are found globally across tropical, subtropical, and increasingly temperate regions They breed in artificial containers such as tyres, buckets, flower pots, gutters, and water tanks Thriving in urban and peri-urban environments, they rest in shaded, humid areas indoors and outdoors, often close to human dwellings

Mosquitoes on an insect net

Signs of infestation

  • Increased mosquito activity during daylight hours
  • Persistent biting, especially around ankles and lower limbs
  • Presence of larvae in small water containers or stagnant water
  • Sightings of small, striped mosquitoes indoors or near breeding sites
  • Reports of mosquito-borne illness in the area

References

  1. World Health Organization
  2. Vector-borne diseases Centers for Disease Control and Prevention
  3. Aedes mosquito facts European Centre for Disease Prevention and Control
  4. Mosquito surveillance PelGar International technical resources and field data
Mosquito biting someone on the arm

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