Explanation
The correct answer is A: Anopheles mosquito.
In Nigeria, as well as in many other parts of the world, malaria is transmitted by the Anopheles mosquito, which is the vector responsible for spreading the Plasmodium parasite that causes the disease.
- B: The Culex mosquito is responsible for spreading diseases like filariasis but not malaria.
- C: The Aedes mosquito is known for spreading diseases like dengue, Zika, and yellow fever, not malaria.
- D: The tsetse fly spreads sleeping sickness, not malaria.
- E: The house fly can spread bacteria causing diseases like cholera and typhoid fever, but it does not transmit malaria.
Therefore, the Anopheles mosquito (A) is the correct answer.