Leishmania donovani is transmitted by

Options

A. Glossina
B. Triatoma
C. Phlebotamus
D. Culex.

Answer

**Step-by-Step Solution:**

1. **Understanding the Question:** The question asks about the transmission of Leishmania donovani, which is a parasite responsible for causing leishmaniasis.

2. **Analyzing the Options:**
- **Option 1: Glossina** - This refers to the tsetse fly, which is known to transmit Trypanosoma parasites that cause sleeping sickness. Therefore, it does not transmit Leishmania donovani.
- **Option 2: Triatoma** - This is a genus of insects known as kissing bugs, which are vectors for Trypanosoma cruzi, the cause of Chagas disease. Thus, it is not the correct answer for Leishmania donovani.
- **Option 3: Phlebotomus** - This genus includes sand flies, which are known vectors for Leishmania donovani and are responsible for transmitting leishmaniasis.
- **Option 4: Culex** - This genus includes various mosquitoes that transmit diseases such as filariasis and West Nile virus, but not Leishmania donovani.

3. **Identifying the Correct Answer:** Based on the analysis, Phlebotomus is the only option that correctly identifies the vector for Leishmania donovani.

4. **Conclusion:** Therefore, Leishmania donovani is transmitted by **Phlebotomus**.

**Final Answer:** Leishmania donovani is transmitted by Phlebotomus.

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