A binational collaborative project is exploring environmental factors that affect the northward expansion of oak wilt, a fatal tree disease spread by sap beetles. Researchers from Michigan ...
It’s less than a half-inch long but it can fell a giant oak tree in no time. The goldspotted oak borer, GSOB or Agrilus auroguttatus, is a 0.4-inch bullet-shaped beetle with six golden spots on its ...
MARQUETTE, MI — A tree disease is spreading across Michigan’s Upper Peninsula. Oak wilt, a lethal fungal infection which spreads via root systems, was found in two tree stands in southwest Marquette ...
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