Oak trees have forever defined this region, offering shade, habitat and a sense of place for those who spend time outdoors.

Through his business Southwest Tree Treatment, Marshall resident Adam Rigge is on a mission to save Ash trees in southwest ...

RIVERSIDE, Calif. (KABC) -- A new invasive pest now moving north from Mexico and San Diego County has Southern California's palm trees in its sights. The South American palm weevil attacks palm trees, ...

Damage by certain insects and fungi tends to be greatest in US woodlands where maximum temperatures during the warmest months ...

SEASON NEVER SEEMS TO END THAT COULD BE A BIG PROBLEM.. (:20 A NEW INSECT IN CALIFORNIA KNOWN AS EUWALLACEA INTERJECTUS IT'S A THIRD SPECIES OF SHOT HOLE BORER THAT WASN'T PRESENT IN CALIFORNIA IN THE ...

Two of the signature trees in front of La Jolla’s La Valencia Hotel were among the latest victims of the South American palm weevil. But their absence was short-lived. In February, the hotel at 1132 ...

It would cost up to $4 million to cut down Milbank’s ash trees, after state and city officials detected a beetle last summer ...

City forester Richard Ubbens believes Asian Long-Horned Beetles have already infested thousands of trees there. While the insects pose no threat to public health, they pose a significant threat to ...

Flat top palm trees aren't a new species; they're the leftovers of a non-native weevil feeding frenzy. And they're all over Encinitas. The scraggly remnants of once-lush Canary Island date palms are ...

Climate change is already reshaping the landscapes we know and love. Within the next century, the Antarctic could lose most ...

For nearly a century, three Canary Island date palm trees have welcomed visitors to La Jolla’s La Valencia Hotel. Until this week. The hotel, at 1132 Prospect St., made the “difficult decision” to ...

Douglas-fir beetles target larger Douglas-fir and western larch logs greater than 12 inches in diameter. These beetles ...