Related Clues:

• Immature form of life right in centre of volcanic discharge
• Early insect form
• Early form of atrioventricular valve
• Hot rock on radio for little six-footer?
• Prepupal phase
• Bot maybe makes all gadgets genuinely operate together from the outset
• Immature insect in mountain flower, right inside
• Caterpillar, say
• Maggot, e.g
• Stage during an insect's metamorphosis
• Uncovered gravlax stirred to provide grub
• Weekly or monthly, perhaps, obtained larva
• Privy Counsellor ultimately consumed American grub
• Developer's resistance to embed into soft rock
• Grub stored in cellar vaults