Subject: Science
EGG
culex | Anopheles |
Eggs are vertically laid in clusters on the surface of the water. | Eggs are laid singly and horizontally on the surface of the water. |
Eggs are cigar shaped. | Eggs are boat shaped. |
Eggs of culex mosquito are not provided with lateral air floats. | Each egg has two lateral air floats, which help them in floatation. |
Eggs are laid on dirty water. | Eggs are laid on clean water. |
LARVA
Larva of culex mosquito is bottom feeder. | Larva of anopheles mosquito is surface feeder. |
The respiratory siphon is long. | The respiratory siphon is short. |
It forms an angle inside water. | It remains parallel with water surface. |
PUPA
The pupa is colourless. | The pupa is green. |
The respiratory trumpets are long and narrow. | The respiratory trumpets are short and wide. |
The abdomen is less bent. | The abdomen is more bent. |
ADULT
Body is provided with stouter legs. | Body is provided with delicate legs. |
Wings are transparent and can fly for long distance. | Wings are spotted and cannot fly for long distance. |
There is presence of small palpi near proboscis. | The proboscis and palpi have same length. |
At rest body lies parallel to the surface. | At rest body is inclined at an angle of 45 ͦ to the surface. |
It transmits filarial parasite. | It transmits malarial parasite. |
Culex Egg | Anopheles Egg |
i) An egg in the shape of cigar. | i) An egg is boat shaped. |
ii) Eggs are laid on dirty water. | ii) Eggs are laid on clean water. |
iii) They laid vertically on the surface of water. | iii) They laid horizontally on the surface of water. |
Culex pupa | Anopheles pupa |
i) It is colourless. | i) It is green in colour. |
ii) The abdomen is less bent. | ii) The abdomen is more bent. |
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