larva

definition: 
The active immature form of an insect, especially one that differs greatly from the adult and forms the stage between egg and pupa, e.g. a caterpillar or grub
sentence: 
The life cycle of a butterfly includes four stages: egg, caterpillar or larva, pupa, and adult.
difficulty: 
medium
toefl frequency: 
1
toefl classification: