The state of some insects during a later stage of metamorphosis. Insects in the pupal stage are holometabolous, meaning they undergo a complete metamorphosis and go through four life stages; embryo, larva, pupa and imago. The pupal stage is when the adult structures of the insect are formed. Typically insects in this stage cannot move around. Proper lawn care and upkeep can help prevent insects in the pupal stage from invading plant life and growing grass.