Anopheles Mosquito

(Anopheles SPP.)

The Anopheles mosquito is responsible for transmitting malaria.

Appearance

Adult – pale and dark marks on its wings and resting 45 degree angle to the surface.

Larval rest parallel to surface of the water.

Egg is about 1mm long and has floats on its sides.

Life Cycle

Egg to adult stage takes 6 – 10 days.

Complete metamorphosis – egg, larval, pupa and adult.

Habits

Habitat – prefer clean and unpolluted water.

Biting rhythm – bite at night and rest indoor and outdoor (depends on species).

Prefer darker colors.

Female with one blood meal can lay 50 – 150 eggs.



Aedes Mosquitoes

(Aedes Aegypti)

The bites from an Aedes mosquito peak at the change of light intensity (after sunrise and before sunset).


Appearance

Adult has black and white markings.

Larval rest 45 degree from the surface of the water.

Egg is black in color and shape like a football.

Life Cycle

Egg to adult stage takes 6 – 8 days.

Complete metamorphosis – egg, larval, pupa and adult.

Habits

Habitat – container breeder especially man-made containers with clean water.

Prefer darker colors like black and red.

Can fly short distance (50 – 100m).



Culex Mosquito

(Culex Tritaeniorhynchus)

Culex mosquitoes are the main vector for Japanese B – Encephalitis


Appearance

Adult – thorax, legs and veins on the wings are always covered with brown scales. Dull in color. The tip of the abdomen is always blunt.

Larval rest 45 degree from the surface of the water.

Egg is brown, long and cylindrical, vertical on water surface, cemented in a raft of 300 eggs. Raft usually 3 – 4mm long and 2 – 3mm wide.

Life Cycle

Egg to adult stage takes 6 – 10 days.

Complete metamorphosis – egg, larval, pupa and adult.

Habits

Habitat – mainly breed in polluted stagnant water and drains.

Biting rhythm – bite at night and usually rest indoor before and after the blood meal. Sometimes they may rest outdoor.

Prefer darker colors.

Long distance fliers.