Santa Clarita Valley oak trees are being invaded by the goldspotted oak borer; an insect named for its iridescent black shell ...

Trees generally die within three years of an incursion. The insects go only for oaks. In the Golden State, they are attacking the coast live oak, canyon live oak and the California black oak.

Oak trees shortly after sunrise ... more than 4,000 square miles of the California foothills.” The blue oak (Quercus douglasii) and the coast live oak (Quercus agrifolia) are both native ...

Wednesday, Parks and Recreation recommended introducing native coast live oak trees to the area, saying this species is more suitable for Anapamu Street and will limit damage to surrounding ...