No new exotic mosquito species introduced to New Zealand in 2019.
- As of 2019, there are three long-established exotic mosquito species in New Zealand (Table 1) .
- A fourth exotic mosquito species, the Southern Saltmarsh mosquito (Aedes camptorhynchus), first discovered in New Zealand in 1998, was eradicated in 2010.
- In 2018, Culex sitiens was detected in Kaipara Harbour through the National Saltmarsh mosquito surveillance programme 
Table 1: New Zealand’s recent history of exotic mosquito introductions
|Exotic mosquito species known to have established in New Zealand
||New Zealand distribution
1961 - present
Southern South Island
||1916 - present
North Island and South Island from Lyttelton north
||1830 - present
||North Island and northern South Island
Southern Saltmarsh Mosquito
|1998 - 2010
||North and eastern North Island and northern South Island
Data source: New Zealand BioSecure, 2020
June 2020: Eradication of Culex sitiens from New Zealand
On 5 June 2020, MPI announced the eradication of the Culex sitiens from New Zealand, 2 years after larvae were initially detected in Kaipara Harbour. The eradication was the result of a successful ground surveillance and aerial spraying programme .
1. New Zealand BioSecure Entomology Laboratory. New Zealand Mosquitoes. Southern Monitoring Services Limited. (Accessed May 2020). Available at: www.smsl.co.nz
2. MPI (Ministry for Primary Industries). Alerts: Culex stitiens. (Accessed June 2020). Available at: www.mpi.govt.nz