There are three types of mosquitoes which cause diseases in man. These are Anopheles, Culex and Aedes. They cause malaria, yellow fever, dengue fever, filariasis, encephalitis and dermatobia.

Anopheles can be distinguished from Culex by observing their resting posture and wings. Anopheles rests with its body and proboscis making an angle to the surface while Culex rests with its body parallel to the surface but proboscis making an angle to the surface.

Anopheles vs Culex
Rest with body at an angle to the surface.

Rests with body parallel to surface.
Wing have dark spots. Wings are unspotted.
Eggs laid singly and have air floats.
Anopheles eggs
Eggs are laid in a cluster called raft. Eggs have no air floats.
Culex eggs
Head is longer than broad.

Head is rounded.
Feeds on water surface. Feeds below water surface and called wriggler.
No Siphon tube. Possess siphon tube.
Respiratory trumpets are short and broad.

Respiratory trumpets are long and narrow.

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