Sandfly is

Options

A. Acyclostoma
B. Musca
C. Phebotomus
D. Drosophila.

Answer

To determine what a sandfly is, we will analyze the options provided and identify the correct classification.

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks us to identify what a sandfly is from the given options: a) Chylostoma, b) Musca, c) Phlebotomus, and d) Drosophila.

2. **Identifying Characteristics of Sandflies**: Sandflies are known to be small, flying insects that are typically found in sandy areas. They are also known for being biting and blood-sucking.

3. **Analyzing the Options**:
- **Chylostoma**: This is not a recognized genus related to sandflies.
- **Musca**: This genus includes houseflies, which are not related to sandflies.
- **Phlebotomus**: This is the correct genus for sandflies. They are known for their blood-sucking behavior and are found in sandy environments.
- **Drosophila**: This genus includes fruit flies, which are also not related to sandflies.

4. **Conclusion**: Based on the characteristics and the analysis of the options, the correct answer is **c) Phlebotomus**.

### Final Answer:
Sandfly is **c) Phlebotomus**.