Tree of Heaven (Ailanthus altissima) is the preferred host plant for Spotted Lanternfly, but the insect will also feed on many other species of plants including, fruit trees, grapes and hops. (Public domain image) Leave a Reply Cancel reply Search Search for... Search Get New Posts in your Inbox! Enter your email address to subscribe to Entomology Today. You'll receive notifications of new posts by email. Email Address Get Certified!