Exotic mosquito species established in New Zealand

This section summarises which exotic mosquitoes have been introduced to New Zealand. The presence of exotic mosquito species in New Zealand increases the risk of mosquito-borne disease outbreaks here. For more background see 'About Border Health'.

No new exotic mosquito species introduced to New Zealand, 2009-18.

  • As of 2018, there are three long-established exotic mosquito species in New Zealand (Table 1) [1].
  • The Southern Saltmarsh mosquito (Aedes camptorhynchus) was eradicated in 2010. It was first reported to be living in New Zealand in 1998.
  • In 2018 Culex sitiens was detected in Kaipara Harbour through the National Saltmarsh mosquito surveillance programme [2].

Table 1: New Zealand’s recent history of exotic mosquito introductions

Exotic mosquito species known to have established in New Zealand Time period New Zealand distribution
Aedes australis

1961 - present

Southern South Island

Aedes notoscriptus 1916 - present

North Island and South Island from Lyttelton north

Culex quinquefasciatus 1830 - present North Island and northern South Island

Southern Saltmarsh Mosquito

(Aedes camptorhynchus)

1998 - 2010 North and eastern North Island and northern South Island

Data source: New Zealand BioSecure, 2019


1. New Zealand BioSecure Entomology Laboratory. New Zealand Mosquitoes. Southern Monitoring Services Limited. (Accessed March 2019). Available at: www.smsl.co.nz

 2. MPI (Ministry for Primary Industries). Alerts: Culex stitiens. (Accessed March 2019). Available at: www.mpi.govt.nz