Giant Ant

Keen Smell. The giant ant has advantage on Wisdom (Perception) checks that rely on smell.

Multiattack. The giant ant makes one bite attack and one sting attack.

Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 6 (1d8 + 2) bludgeoning damage and the target is grappled (escape DC 12). Until this grapple ends, the target is restrained and the giant ant can't bite a different target.

Sting. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 6 (1d8 + 2) piercing damage plus 22 (4d10) poison damage, or half as much poison damage with a successful DC 12 Constitution saving throw.