The USDA APHIS advocates ways you can help out to eliminate this infestation starting from the root they recommend that when preparing for the winter holidays, check outdoor items for spotted lanternfly egg masses, including items you bring indoors. Scrape any egg masses into a plastic zippered bag filled with hand sanitizer, then zip the bag shut and dispose of it properly.
Remember to Inspect your trees and plants for signs of this pest, particularly at dusk and at night when the insects tend to gather in large groups on the trunks or stems of plants. Inspect trees (in particular, trees of heaven), bricks, stone, and other smooth surfaces for egg masses.