nice post connie. i've never seen anything like this before. it does form a nice big hollow space for ants. i wonder if they enlarge it somehow too? really cool, although i got a relative of this recently, and it is a little young plant, but not looking forward to it becoming an ant condo complex. or a scale one either. i think the local ants would pack these full of mealie bugs. if you do get ants, you can get rid of them with diatomaceous earth.