Sounds like a hot hive, maybe queenless. Suit up, open her, check for eggs/larva. If so , find the queen, kill her and scrape all the drone comb out (Drones carry the gentile or hot gene). Take a frame of eggs from ANOTHER hive and let them try and requeen. If queenless do the same. Kenny if you are wondering if a hive is being robbed, heavy dust the bees at the entrance with powdered sugar and look to see if any of those bees turn up at another hive. Hope this helps, good luck!