The larva is the basic zerg unit used to morph into zerg warriors.
The high armor and defensive stats of larvae are extremely exaggerated in StarCrafts, as they were scarcely affected by the entire protoss deathball in Unstoppable. However, they are instantly killed by wriggling off of creep.
Larvae are team-colored and resemble grubs in appearance. After Nucleared, they were given mouths and feelers on their sides.