Culex Mosquito
Culex quinquefasciatus
The most common night-biting mosquito in Singapore, breeding prolifically in polluted stagnant water in drains, monsoon canals, and poorly maintained water bodies. A known vector of filariasis and Japanese encephalitis.
Risk Level
High
Active Period
Primarily night biter, most active from dusk to dawn
Common Locations
Drains, Septic tanks
Size
4–7mm body length
How to Identify Culex Mosquito
Physical Appearance
Uniformly brown body without distinctive markings. Lighter brown banding on the abdomen. Proboscis is dark and unbanded. Rests with body parallel to the surface.
Size
4–7mm body length
Common Locations
Drains, Septic tanks, Polluted water, Blocked drains
Habitat & Behaviour
Activity & Breeding
Breeds in polluted stagnant water rich in organic matter — drains, septic tanks, and blocked gutters. Can breed in very dirty water, unlike Aedes species. Females can fly several kilometres from breeding sites. Bites indoors and outdoors at night.
Active Period
Primarily night biter, most active from dusk to dawn
Signs of Culex Mosquito Infestation
Health & Property Risks
Prevention Tips
Frequently Asked Questions
Other Mosquito Species
Need Help With Culex Mosquito?
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