> ....in a few cases where I took pitcher fluid out of the pitchers
> of N. trichocarpa or N. gracilis the pitchers did not fill up again,
>  but rather dried out and died very quickly.  Has anybody else observed 
> this phenomenon?  Or the opposite...
I have not observed this directly but have heard it from other
growers.  Pitchers that are emptied of fluid sometimes fill up again
if "stimulated", i.e. if a writhing bug is dropped into the
dry pitcher.
					Perry Malouf