wow I have never heard of such a thing. The only thing i could think of is go in there and kill all of them that are there and sit in there for a while and try to find how they are getting in. If there is an open ended tube some where in there that you don't know about then i would think that that would be it. Once you find out where they are coming from then you shoul dhave no problem killing them or keeping them out. If they are that persistant I would think the hive is in the stand somewhere.