Exotic mosquito species established in New Zealand

The presence of exotic mosquito species in New Zealand increases the risk of mosquito-borne disease outbreaks here.

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

References

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

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