Which of the following ia a carrier of 'dengue fever'
or
Dengue is transmitted by

Options

A. Aedes aegypti (Tiger mosquito)
B. culex fatigaus
C. anopheles
D. aedes donovoni

Answer

To answer the question "Which of the following is a carrier of 'dengue fever' or 'Dengue is transmitted by'?", we need to identify the correct vector responsible for transmitting dengue fever.

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for the carrier of dengue fever, which is a viral infection transmitted by a specific organism.

2. **Identifying the Term 'Carrier'**: In biological terms, a carrier or vector is an organism that transmits a disease-causing pathogen from one host to another. In the case of dengue fever, we are looking for the specific mosquito that acts as this vector.

3. **Reviewing Options**: The options provided typically include various types of mosquitoes and other insects. We need to evaluate each option to determine which one is known to transmit dengue fever.

4. **Recognizing the Correct Mosquito**: The primary vector for dengue fever is the Aedes aegypti mosquito. This mosquito is well-known for its role in spreading the dengue virus.

5. **Eliminating Incorrect Options**:
- **Culex fatigans**: This is commonly known as the house mosquito and is not responsible for transmitting dengue fever.
- **Anopheles**: This genus of mosquitoes is primarily known for transmitting malaria, not dengue.
- **Donovani**: This is not a recognized mosquito species related to dengue transmission.

6. **Conclusion**: Based on the information, the correct answer to the question is **Aedes aegypti**. Therefore, dengue fever is transmitted by Aedes aegypti.

### Final Answer:
Dengue fever is transmitted by **Aedes aegypti**.

---