Marin County Arborists

Stay informed on the rapid increase and spread of the Mediterranean Oak Borer! ⚠️

Mediterranean Oak Borer is an invasive Ambrosia Beetle. These insects were first discovered in the United States, right here in Napa County in 2019. Mediterranean Oak Borers are attacking healthy Oak trees, specifically Valley Oak, White Oak and Blue Oak species, in Marin County and surrounding counties. These small insects vectors in a fungal pathogen which plugs up the Oaks vascular tissue. They vector in the fungal pathogen and use it as a food source. The wood from the dead or diseased trees should not be repurposed as firewood! This will continue the spread of the disease into communities, counties and states that are yet infected!

Photo Credit: Christine Buhl, Oregon Department of Forestry

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Pruning

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Starting the day off right - reviewing our safety chapters before we hit the job sites. At the end of the day, skill matters — but safety always comes first.

Grateful for a crew that shows up early, dives into safety chapters, turns in their quiz packets and takes pride in doing things the right way.

Morning meeting following important CAL-OSHA safety standards ✔️
Crew ready ✔️
Let’s get to work 🌲