A tiny beetle has infested dozens of trees in a canyon in the Santa Susana Mountains in the Simi Valley area, marking the ...
Welcome to our tree column, “Ask your local arborist.” Each month, arborists from the Davey Tree Expert Company in Menlo Park discuss a tree-related topic from general care and planting tips to how ...
Ron Durbin, who trekked with a group into a rugged Santa Clarita canyon, quickly spotted nearby trees pockmarked with D-shaped “exit holes,” a deadly calling card. This was the work of the goldspotted ...
‘I have some weird, seemingly hollow, green, round balls falling from my oak tree. What in the world are these things?” — S.Y. You are describing an interesting growth that can occur on a variety of ...
The Mediterranean oak borer, a miniscule beetle no bigger than a sesame seed, has been discovered in trees around the Portland area. The invasive pest native to Europe, the Middle East and North ...
The invasive Goldspotted Oak Borer beetles are responsible for killing at least 200,000 oak trees in SoCal, increasing fire ...
Q: I live in a rural area that is surrounded by large oak trees. They attract a variety of squirrels and other wildlife. Other than fencing off every tree, is there any way of protecting fruit trees ...
A drive to the mountains in San Diego County means you're surrounded by nature, trees especially, which have been facing a major threat from something so small you might not even notice it. You will ...
Question: Yesterday I read that “oaks are a keystone species”. What exactly does that mean? Answer: A keystone species is a plant, animal or microorganism that is vitally important to its environment.