Explanation:

- Option 1: Aedes Mosquito

- Aedes mosquitoes are not the vector for malaria.

- They are known for spreading diseases like dengue, Zika virus, and chikungunya.

- Option 2: Anopheles Mosquito

- This is the correct answer.

- Anopheles mosquitoes are the main vector for malaria.

- They transmit the Plasmodium parasites responsible for the disease.

- Option 3: Fleas

- Fleas do not transmit malaria.

- They are mainly known for spreading the plague and other diseases.

- Option 4: Sand Fly

- Sand flies are not vectors for malaria.

- They are known to transmit other diseases such as leishmaniasis.