The Mediterranean Oak Borer (Xyleborus monographus) is an ambrosia beetle that was found infesting several valley oak trees in Calistoga, (Napa County) California in 2019. The extent of its ...
LA QUINTA – It’s a real tree, no doubt about it. A California live oak tree 12 feet long with about 800 wires laced between branches running in all directions. For Nazim Ozel, it is a one-of-a ...
The infestation has primarily impacted box elder trees, but California sycamore, coast live oak, arroyo willow, red willow, and black cottonwood have also been attacked. It is the first place in ...