Fill in the following blanks.
The stage between larva and adult in the life cycle of silk work is _________.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Life Cycle of Silkworms**: The life cycle of a silkworm consists of several stages: egg, larva (caterpillar), pupa, and adult (moth).

2. **Identifying the Stages**: The larval stage is when the silkworm is actively feeding and growing. After the larval stage, the silkworm enters the next stage before becoming an adult.

3. **Recognizing the Intermediate Stage**: The stage between the larva and the adult in the life cycle of a silkworm is known as the "pupa" stage.

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