noun. an insect or other arthropod between molts.
- in- (English)
- in (Latin)
- instar (Latin)
- star (English)
- sterre (Middle English (1100-1500))
Example sentences of the word instar
1. Noun, singular or mass
If you wait until the third instar, you will notice a size difference between the males and females.
The newly hatched first instar larvae have two rear bristles, or whiskers, while all later larval developments have four rear bristles.