a group of spotted lanternfly nymphs resting on a green plant

area arthropod black body bright bug closeup color control crawl creature crop damage dangerous delicatula destroy destructive dot exterminate fly grape grapevine green heaven hopper infestation insect introduced invasive jump lantern lanternfly leaf living lumber lycorma nature nymph organism pennsylvania pest plant planthopper polka quarantine red species spotted swarm tree vine wine