Ankheg Queen

The Ankheg queen is a hive mind controller that coordinates the ankhegs into a working swarm, the standard ankheg falls under the queens control only one queen may control the hive at a time. Ankhegs from other colonies are not subject to the opposing queens mind controlling effects.

The Ankheg queen has complete control of her colonies and all subjects of her colony will do any command issued regardless of its own safety.

makes 3 attacks 1 bite and 2 claw

Bite. Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 21 (4d6 + 5) slashing damage plus 6 (2d6) acid damage. If the target is a Large or smaller creature, it is grappled (escape DC 16). Until this grapple ends, the ankheg can bite only the grappled creature and has advantage on attack rolls to do so.

Claw. Melee Weapon Attack: rollable]+9;{"diceNotation":"1d20+9","rollType":"to hit","rollAction": "claw}[/rollable] to hit, reach 5 ft., one target. hit 13 [rollable](2d6+5);

Acid Spray (Recharge 5-6). The ankheg spits acid in a line that is 30 feet long and 5 feet wide, provided that it has no creature grappled. Each creature in that line must make a DC 13 Dexterity saving throw, taking 20 (5d6) acid damage on a failed save, or half as much damage on a successful one.

Defend. can cause any ankheg within 10 feet of itself to intercept a hit.

Has 3 legendary actions. 

Command. Commands one Ankheg within 30 ft. to make an attack within its range. (cost 1 action)

Leaping Bite. Can use up to half its movement and than make use its bite attack (cost 1 action)

Acid spray. Can use its acid spray or roll to recharge and use. (cost 2 action)