Related Clues:

• Grub, e.g
• Not a fully grown creature, whichever way you look at it
• Stage before pupa
• Stage in entomology
• So peacock may have appeared, over in Pennsylvania
• E.g. caterpillar form
• Developing butterfly
• Grub, originally hot runny stuff, appears about right
• Life form in river lurking in rock
• Grub, caterpillar stage
• Grub of e.g. beetle
• Caterpillar variant - only a little insect
• Immature life form of particular value
• Eg, caterpillar
• Grub comes in popular varieties