Insect stage (4)
'insect stage' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for pupa that I've seen before include "developing creature" , "creepy-crawly" , "Developing butterfly" , "One is growing" , "So peacock may have appeared" .)
'insect stage' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for larva that I've seen before include "shows form of immaturity" , "Grub, caterpillar stage" , "Tadpole or caterpillar, say" , "Volcanic outpouring" , "Manage" .)
(Other definitions for imago that I've seen before include "Last state of insect life" , "Final stage of insect life" , "Mature insect stage" , "Last stage of insect's development" , "Adult insect after metamorphosis" .)