Which type of mouth parts are found in cockroach, mosquito and house-fly?

Explanation

To answer the question regarding the types of mouthparts found in cockroaches, mosquitoes, and houseflies, we can break down the information step by step:

### Step-by-Step Solution:

1. **Identify the Mouthparts of Cockroaches:**
- Cockroaches have a complex mouthpart structure that includes:
- **Labrum**: The upper lip.
- **Mandibles**: Jaws used for biting and chewing.
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