Related Clues:
- A bible in US city for bookworm, perhaps
- Six-footer to be Romeo into hot rock
- Stage before metamorphosis
- Perhaps Caterpillar tractor's rear trapped in rock
- Butterfly-to-be, while in a cocoon
- Maggot, say
- Immature bug
- Caterpillar, to biologists
- Six-footer to be found in Bear Valley
- Entomological specimen at university in Pennsylvania
- Young animal sounding as if it may come from a volcano
- Transformative stage
- Part of a moth's life cycle
- Immature form of life right in centre of volcanic discharge
- Early insect form