Species of Mosquitoes

There are over 2500 species all over the world. It

act as vectors for many diseases . Female only bite and suck blood but male not

bite and feed on nectars of flowers.

LIFECYCLE : It has Complete metamorphosis.

Duration : Egg - 1- 4 days , Larva - 7 days

Pupa - 2-3 days , Adult - 10 -14 days.

Larvae called “Wrigglers” . Pupa called “tumblers” .

ANOPHELES : Greyish in color . Breed in flowing water.

Active during dawn and dusk.

Egg lie parallel to surface.

Egg laid singly.

It transmits Malaria , Filariasis.

CULEX : Uniform grey in color .

Hibernate during winter and active during warm seasons .

Active at night .

Egg laid in rafts in standing water.

It transmits west Nile disease , filariasis

and Japanese encephalitis .

AEDES : Blackish brown with silver stripes .

Active during day and night .

Painful and persistent biters .

Egg laid singly in moist soil and containers .

It transmits Yellow fever, Dengue fever, Filariasis.

Submitted by ,

T. Tamil selvan , BHS 12-024.