No exotic mosquitos have established in New Zealand since the discovery of Culex sitiens in Kaipara Harbour in 2018.

We have published the latest results on exotic mosquitos established in New Zealand.

Here are the main findings:

  • At the end of 2022, three established exotic mosquito species remain in New Zealand: Aedes australis, Aedes notoscriptus and Culex quinquefasciatus.
  • The mosquito Culex sitiens was eradicated in 2020.
  • Aedes notoscriptus mosquitos have been found as far south as Timaru port as of 2022, having previously been identified only as far south as Lyttelton North in 2020.
  • If Aedes albopictus established in New Zealand, it presents a significant risk to public health as it can transmit multiple mosquito-borne diseases and survive in a wide range of temperatures.

Read the whole factsheet here: Exotic mosquito species established in New Zealand.