How to make NPCs flee from Player by flying and landing (3D),How to make bug fly away from Player (3D)

I want small bugs to fly away as soon as the Player triggers the sphere collider, then for the bugs to land on the ground again some distance away (3D). So far I can get the bugs to flee, but I haven't successfully lifted them off the ground. Any ideas?

 void OnTriggerEnter(Collider other)
 {
     if (other.gameObject.tag == "Player")
     {
         for (int i = 0; i < bugs.Length; i++)
         {
             Animator anim = bugs[i].GetComponent<Animator>();

             anim.SetBool("Fly", true);
             Vector3 disToPlayer = (transform.position - Player.transform.position) * multiplier;
             Vector3 newPos = transform.position + disToPlayer;

             _agent.SetDestination(newPos);
         }
     }
  }


 void OnTriggerExit(Collider other)
 {
     if (other.gameObject.tag == "Player")
     {
         for (int i = 0; i < bugs.Length; i++)
         {
             Animator anim = bugs[i].GetComponent<Animator>();
             anim.SetBool("Fly", false);
         }
     }
 }