RIVERSIDE, Calif. (KABC) -- Who would think something so small could be so devastating? Nevertheless, entomologists continue to sound the alarm about the goldspotted oak borer, an invasive insect that ...
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 ...
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 ...
‘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 ...
Dead trees line the Salt Creek and Platte River near Mahoney State Park in June 2025. Horticulturists with the Nebraska Game and Parks Commission were stumped when they started seeing significant ...
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.
Recent policy changes clarify that single-family residents do not require a permit for tree trimming, but do not change rules prohibiting trimming from February to June.
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