>I try to be Logical about life, and there is only one Logical explanation to the decline.
I won't disagree that it probably was the cause, but from a logic point of view, that's not proof. Post Hoc Ergo Proctor Hoc (after this because of this) is a reasonable basis for a theory, though. And three things at once adds to the likelihood. All the research on roundup and bees has been looking at adults. I think it's time they do some research on its effect on brood and the fermentation of bee bread. Fungicides need that same research...