Which one secretes lac ?

Options

A. Antheraea assama
B. Bombyx mori
C. Lytta
D. Tachardia lacca.

Answer

To answer the question "Which one secretes lac?", we will analyze the options provided and identify the correct one.

### Step-by-Step Solution:

1. **Understanding Lac**: Lac is a natural resin produced by certain insects. It is primarily used in the production of shellac, which is a type of varnish.

2. **Analyzing the Options**:
- **Option 1: Anthracis asthma**: This is the common name for the wild silkworm, which produces silk, not lac.
- **Option 2: Bombay eczema**: This refers to a species of domestic silkworm, which also produces silk and not lac.
- **Option 3: Litter**: This option refers to a beetle, which does not produce lac.
- **Option 4: Tachardia lacca**: This is commonly known as the lac insect, which is known for secreting lac.

3. **Conclusion**: Based on the analysis, the correct answer is **Option 4: Tachardia lacca**. This insect is specifically known for its ability to secrete lac.

### Final Answer:
**Tachardia lacca** secretes lac.

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