Invasive Spotted Lanternflies Appear on Boston University Campus

The invasive insects threaten local trees after migrating from their 2014 U.S. origin point in Pennsylvania.

Updated on Oct. 16, 2026 in Botany

A spotted lanternfly rests on the dark, textured bark of a tree branch against a blurred green leafy background. — Invasive spotted lanternflies were identified on the Boston University campus, threatening local tree health by feeding on sap and damaging bark tissues. AI Illustration. Upload story photo >

Live Poll

Should residents actively kill invasive insects spotted in their local community?

Invasive spotted lanternflies have been identified on the Boston University campus. These insects, which first appeared in the United States in 2014, pose a potential ecological threat to local vegetation.

Why it matters

The arrival of this invasive species threatens regional tree health, as the insects feed on sap and damage bark tissues. Their spread is facilitated by human trade, making local monitoring an essential step in managing their impact.

The insects measure approximately 1 inch in length and possess distinct black spots with red hind wings. This sighting follows their initial U.S. discovery in Berks County, Pennsylvania, in 2014.

The players

Boston University

An academic institution currently tracking the ecological impact of invasive species on its local campus grounds.

The details

Spotted lanternflies damage host trees by piercing the bark to drink sap from internal tissues, which eventually creates open wounds. These insects also excrete a sugary liquid that coats leaves in a moldy soot, potentially hindering photosynthesis. On the Boston University campus, the prevalence of the tree of heaven—the insect's preferred host—creates a high-risk environment for further colonization.

2014: Spotted lanternflies were first documented in the United States.
October 2, 2026: An invasive spotted lanternfly was officially observed on the Boston University campus.

The Tech Race

The arrival of these insects in Boston follows the well-documented geographic expansion of the species from its initial 2014 U.S. foothold in Pennsylvania. Researchers are now evaluating biological control agents, including specific fungal spores and native wasps, to stem the spread.

The local community should monitor host plants for moldy soot residue or active insects, as these are the primary indicators of infestation. Property owners in the area may eventually need to implement management strategies to protect susceptible tree species.

The takeaway

The presence of lanternflies confirms the species' ongoing migration into New England through human-aided transport. Observers should track upcoming developments in biological control research, specifically the testing of fungal agents and parasitic wasps, to monitor the next phase of containment.