According to this item in the Washington Examiner, "stink bugs" have reached 38 states, prompting the federal government to devote additional funds to research a solution. Observers in Central Pennsylvania have noted stink bugs for several years.
Farmland is most immediately impacted. Stink bugs have "ruined apple, peach and grape harvests up and down the East Coast" and have caused "losses of nearly $40 million a year" to Mid-Atlantic apple growers. Loss of such revenue will affect prices of farmland.