An invasive pest that kills oak trees continues to spread through the Willamette Valley between Portland and Salem. Oregon officials completed a two-year study this summer that found the Mediterranean ...
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 ...
Fall is usually when people pay attention to trees to see the changing leaf colors. But homeowners should be paying closer attention to their oak trees. Robert Spartz, district manager for the Davey ...
Dead trees line the Salt Creek and Platte River near Mahoney State Park in June 2025. Horticulturists with the Nebraska Game and Parks Commission were stumped when they started seeing significant ...
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