Sirex woodwasp (Sirex noctilio) is native to Europe, Asia, and northern Africa. They primarily attack living pines whereas native woodwasps attack dead and dying trees. It was detected in New Hampshire in 2022, but we do not expect it to be a damaging pest in the state
Awareness of the symptoms and signs of a sirex woodwasp infestation increases the chance of early detection, and thus, the rapid response needed to contain and manage this exotic forest pest.
Sirex noctilio—adult female (Photo-USDA Forest Service)
More About Sirex Woodwasp
US Forest Service Pest Alert
Massachusetts Introduced Pests Outreach Project