Culex

Characteristics 

• Insect: Three part body (head/thorax /abdomen) and 6 legs 
• Yellow-brown in color
• Wings
• Primarily active at night.
• Complete metamorphosis (holometabole development)
• Only the female sucks blood (for egg production) 
• Distribution more or less worldwide, except in extremely northern regions.

•Medical significance:

• An important vector of filariasis (e.g., elephantiasis), Japanese Encephalitis, and West Nile Virus.

Eggs, larvae, pupae mainly in the water, but they require atmospheric air for breathing 

•Development connected to water

Eggs are laid on the water's surface in the form of small boats.

Larvae hang from the water's surface.