Beginning March 1, no hardwood firewood, ash nursery stock or untreated ash lumber will be allowed outside Berkshire County, where the emerald ash borer was found last summer in trees in Dalton, a few miles from the New York border.

WSJ: Mass. creates quarantine zone to contain insect

Thanks in large part to a collapse in prices for lumber, the stock is down 79% since the market's peak.

FORBES: Lift Up Your Eyes