Popcorn-Sized Blobs Of Sap On New Jersey Pine Trunks Can Point To A Beetle Smaller Than Rice
Those sticky globs on your pine signal beetle activity, not a scrape. Inside each blob, you might find a beetle smaller than a grain of rice. Your tree fires resin outward to trap and expel intruders. Arborists call them pitch tubes, and you can read them like a scoreboard. Firm, white tubes mean your tree…

