Overview
- Massachusetts confirmed on Wednesday that spotted lanternfly populations are active in more than 145 cities and towns, with no detections yet on Cape Cod or the Islands.
- State officials say adults will begin laying flattened, mud‑like egg masses in September and ask residents to scrape and destroy any reachable eggs to limit new infestations.
- Michigan reported additional detections this week, including a population found in Berrien County, and state agencies are coordinating targeted surveys and outreach to growers.
- Agencies recommend simple actions to slow spread: inspect vehicles and outdoor gear before travel, vacuum or trap congregating adults, remove preferred host plants, and report new sightings through state portals.
- Officials warn heavy lanternfly infestations can stress grapevines, hops and young trees by sucking sap and producing sticky honeydew that leads to sooty mold, elevating local risks for growers and property owners.