Common Mosquitoes in Western Australia

There are more than 3500 species of mosquitoes worldwide. More than 300 of these species are found in Australia.

There are almost 100 species of mosquitoes in Western Australia. 

Some species are very rare and are never encountered in large numbers, while other species do not bite people, preferring to feed only on other animals.

Of the mosquito species found in WA, only 30 species are considered to be major pests and/or possible carriers of viruses (including, Ross River virus (RRV), Barmah Forest virus (BFV), Murray Valley encephalitis (MVE) virus  and West Nile virus Kunjin strain (WNVKUN)) that can cause diseases in humans.

The most common mosquitoes in WA are:
  • Aedes camptorhynchus
  • Aedes notoscriptus
  • Aedes vigilax
  • Anopheles annulipes s.l.
  • Culex annulirostris
  • Culex quinquefasciatus
Habitat/ breeding preference
Dispersal capability from the breeding site
Biting habit; biting period
Active season  Human Disease carrier in WA
Ae camptorhynchus
Aedes camptorhynchus
Southern parts of WA
  • Coastal or inland brackish water 
  • Tidal salt marshes; especially sites with samphire
Up to 3-5 km 
Vicious; all times
Winter, spring and early summer 
Ae notoscriptus
Aedes notoscriptus
 All of WA
Clean water within the domestic environment; artificial containers such as: 
  • water ponds
  • bird baths
  • pet water bowls
  • gutters
  • pot plant drip trays
  • leaf axils
About 0.4 km
  • Prefer to stay around houses
Vicious; active dawn and dusk; occasionally at night and day time; prefers shade 
Year around
North of WA more in wet months
South of WA more in warm months
Aedes vigilax
Aedes vigilax
South to Cape Naturaliste; Northern arid coastal and inland regions
Coastal saltmarshes  and brackish swamps 
Up to 100 km  Vicious; all times
Warmer months 
An annulipes
Anopheles annulipes s.l
All WA  Permanent and semi-permanent fresh water
Night time; occasionally in day times 
All year, peak in summer/wet season
 Culex annulirostris
Culex annulirostris
All WA except extreme southwest of WA
Permanent/ semi-permanent freshwater bodies; 
  • mildly brackish water 
  • man-made lakes 
  • containers 
Prefers heavily vegetated sites

Up to 10 km
Active in dawn, dusk and night
Northern WA
Year around but more in mid to late wet season & early dry season
Southern WA
More in summer (water temp. >18oC)
 Culex quinqufasciatus
Culex quinquefasciatus
All WA
Clean or polluted water
  • domestic environment 
  • artificial containers 
Most often from street drains around urban environments.

Active in dawn, dusk and night
Year around
Poor disease vector in WA

More information

Medical Entomology

Phone: (08) 9285 5500