Trypanosomiasis (sleeping sickness) is a disease transmitted by

Options

A. Tse tse fly
B. Fire fly
C. May fly
D. Louse

Answer

To solve the question about the transmission of Trypanosomiasis (sleeping sickness), we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Disease**: Understand that Trypanosomiasis, commonly known as sleeping sickness, is a disease caused by a parasite.

2. **Know the Causative Agent**: The causative agent of sleeping sickness is the parasite *Trypanosoma brucei*.

3. **Identify the Vector**: Determine how the disease is transmitted. Sleeping sickness is transmitted by a specific type of fly.

4. **Evaluate the Options**: The options given are:
- A) Sexy fly
- B) Firefly
- C) Mayfly
- D) Tsetse fly

5. **Analyze Each Option**:
- **Sexy fly**: This option seems to be a misnomer and does not correspond to any known vector.
- **Firefly**: Fireflies are not known to transmit diseases; they are harmless.
- **Mayfly**: Mayflies are also not vectors for any diseases.
- **Tsetse fly**: This is a blood-sucking fly found in Africa and is known to transmit *Trypanosoma brucei*, the causative agent of sleeping sickness.

6. **Select the Correct Answer**: Based on the analysis, the correct answer is the Tsetse fly, as it is the only option that is known to transmit sleeping sickness.

### Final Answer:
Trypanosomiasis (sleeping sickness) is transmitted by the **Tsetse fly**.

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