Flying insects Invasive species Bites during the day

Asian tiger mosquito

Aedes albopictus

Asian tiger mosquito
Photo source: James Gathany, CDC, Public domain, via Wikimedia Commons, cropped

Description

The Asian tiger mosquito (Aedes albopictus) is an invasive species now firmly established in Ticino. Around 5 mm long, it is black with distinctive white bands on its body and legs, and is an aggressive biter active mainly during the day.

It breeds in tiny collections of stagnant water — plant saucers, drains, gutters and containers — even just a few centimetres deep. In addition to being a major nuisance, it can transmit some diseases, making larval breeding-site control essential.

Key characteristics

Size

~5 mm

Appearance

Black with white bands on body and legs

Activity

Aggressive biter, active by day

Development

Small collections of stagnant water

Status

Invasive species, established in Ticino

Risks and spread

The Asian tiger mosquito causes considerable nuisance through daytime bites and can transmit some diseases: controlling breeding sites is the most effective measure.

  • Stings — Troublesome, repeated bites, including during the day and outdoors.
  • Health risk — Can act as a vector for some mosquito-borne diseases.
  • Rapid spread — A few cm of stagnant water are enough for new breeding sites.

Prevention

  1. 1

    Remove standing water (plant saucers, buckets, containers)

  2. 2

    Regularly empty and clean gutters and water collectors

  3. 3

    Treat drains and catch basins with suitable larvicides

  4. 4

    Cover water storage and use insect screens

Our intervention

TIsistemo tackles the Asian tiger mosquito by reducing larval breeding sites and applying targeted treatments, the most effective approach against this species.

  • Site inspection Identifying larval breeding sites (standing water, drains, containers).
  • Reducing breeding sites Removing standing water and providing water management advice.
  • Larvicide treatment Treating drains and catch basins; targeted adulticide treatment where necessary.
  • Monitoring Regular checks, especially during the warm season.

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