I think ,Camponotus pennsylvanicus is like Campo. vagus. You can read somethink about young queens of my campo here http://www.antstore.net/viewtopic.php?t=5324 .
It is all ,what I can help you now.
@4mykids: some queens do that, i'm not sure i can explain it why they do it. if my queens do it i give them a little bit of food, somethimes it helps. you can try it. (but i don't garantie it work)