They’re here: Spotted lanternflies reported in Waltham

After observers reported the spotted lanternfly in Watertown last month, it was just a matter of time before the invasive species made its way to Waltham. Sure enough, state agricultural officials have now confirmed the presence of the bug in Waltham, raising concerns about the spread of a destructive pest that threatens crops, trees and outdoor spaces.

The Massachusetts Department of Agricultural Resources said surveyors found the insect, though the extent of the infestation is not yet known. Teams from MDAR and the U.S. Department of Agriculture will continue monitoring trees in the city throughout the fall.

The spotted lanternfly, an invasive planthopper native to Asia, feeds on a wide range of plants including grapevines, maples and hop vines. The insect poses significant risks to grape and wine producers as well as other agricultural commodities. 

Officials note that while the insects do not bite or sting, they gather in large swarms that can disrupt outdoor recreation and coat surfaces with a sticky substance known as honeydew. For guidance on what to do if lanternflies invade your backyard, consult the management guidance for homeowners.

Residents are encouraged to report suspected sightings of the insect to MDAR through its online reporting portal.