The GSOB only infests oak trees, namely the three native to California: coast live oak, canyon live oak and the California black oak. These are the most prevalent trees that make up Southern ...

There are four species of oak trees the insect has been affecting: the coast live oak, California black oak, canyon live oak, ...

Black oak (Quercus velutina) is a deciduous, medium-to-large oak tree is commonly found in the eastern half of the United States. A black oak tree can be identified by its bark and leaves.

But those shrubs are just the crown of a giant, spreading oak ... California Native Plant Society. “We need to be absolutely sure that we’re not going to cause harm to this plant.” The tree ...

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.

The invasive goldspotted oak borer has spread across SoCal, leaving boneyards of dead trees behind. This June, UC ANR and ...

Nonetheless, the tree has been a fixture of the landscape since mastodons and saber-toothed cats last roamed Southern California. For the Native tribes in the area, the oak played a central and ...

SAN DIEGO (FOX 5/KUSI) — An invasive beetle is laying its eggs in the nooks and crannies of oak tree bark in California, leading to an even deeper rooted issue. Goldspotted oak borers ...