https://phys.org/news/2018-06-lanternfly-potential-grapevines.html > "On the contrary, they are out-of-control party crashers that won't stop until they have nearly drained plants dry." > There is a lot at stake for Pennsylvania's grape and wine industries, which pour an estimated $4.8 billion annually into the state's economy through employment, wine sales, tourism, tax revenue and related avenues, according to the National Association of American Wineries. There are more than 250 in-state wineries and vineyards.