Whenever you play an Insectoid, gain 1 Armor.
Exposed: Destroy self.
Armor: Protects the unit from damage. This value doesn't count towards your score and/or the unit's power.
Exposed: Trigger this ability whenever the unit loses its Armor.
They say it can eat a whole man in armor down to the bone in less than a minute. I'd rather not find out if it's true.