Hemimetabolus insect which is noctural and sanguivorous is

Options

A. Cimex
B. Musca
C. Anopheles
D. Apis.

Answer

To solve the question regarding the hemimetabolous insect that is nocturnal and sanguivorous, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Term "Hemimetabolous":**
- Hemimetabolous insects undergo incomplete metamorphosis, which means they have three life stages: egg, nymph (young stage), and adult.

2. **Identify the Characteristics of the Insect:**
- The insect in question is nocturnal (active at night) and sanguivorous (feeds on blood).

3. **Analyze the Options Provided:**
- The options given are:
- **Cimex**
- **Musca**
- **Anopheles**
- **Apis**

4. **Evaluate Each Option:**
- **Cimex (Bed Bug):** This is a hemimetabolous insect that is nocturnal and feeds on human blood, making it sanguivorous.
- **Musca (House Fly):** This is a holometabolous insect, which means it undergoes complete metamorphosis (egg, larva, pupa, adult).
- **Anopheles (Mosquito):** This is also a holometabolous insect.
- **Apis (Honey Bee):** This is another example of a holometabolous insect.

5. **Conclusion:**
- Based on the characteristics of being nocturnal and sanguivorous, the only option that fits is **Cimex**.

### Final Answer:
The hemimetabolous insect which is nocturnal and sanguivorous is **Cimex**.

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