Question

How would you differentiate between Culex and Anopheles mosquitoes pertaining to their :
(i) eggs,
(ii) larvae and
(iii) adults

Answer 1

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.
2- LARVAE
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.
3-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.
It transmits filarial parasite.	It transmits filarial parasite.
It transmits filarial parasite.	At rest body is inclined at an angle of 45 Degrees to the surface.