This is very serious and may effect everyone here if they bought rhizomes. They didn't say who, but apparently this problem comes from out west. Basically, someone has been shipping rhizomes with hop cyst nematodes:
"This pest has no current controls and can devastate hopyard plantings. This pest was apparently received via rhizomes from the Western states, which have full quarantines issued for this nematode."
See their Facebook page for more info:
More specifically, this post:
And this post:
As well as this post: