The ladybird beetle and dragonflies are useful to get rid of ___ and ____ respectively.

Options

A. Caterpillars and mosquitoes
B. Mosuitoes and fruit borer
C. Mosquitoes and aphids
D. Aphids and mosquitoes

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks what pests the ladybird beetle and dragonflies help control.

2. **Identifying the Role of Ladybird Beetles**: Ladybird beetles are known for their role as biological control agents. They primarily feed on aphids, which are small sap-sucking insects that can damage crops.

3. **Identifying the Role of Dragonflies**: Dragonflies are also biological control agents, and they primarily prey on mosquitoes, which are known for being pests that can spread diseases.

4. **Matching the Information to Options**: Based on the roles identified:
- Ladybird beetles help control aphids.
- Dragonflies help control mosquitoes.

5. **Choosing the Correct Option**: The correct answer matches the roles identified:
- Ladybird beetle → Aphids
- Dragonflies → Mosquitoes

Thus, the correct answer is **aphids and mosquitoes**.

**Final Answer**: The ladybird beetle and dragonflies are useful to get rid of **aphids** and **mosquitoes** respectively.

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