UC Master Gardeners, Santa Clara County, CA
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UC Master Gardeners, Santa Clara County, CA

Posts Tagged: oak

Invasive pest spotlight: Goldspotted Oak Borer

Photo Bark staining on coast live oak caused by larvae of the goldspotted oak borer. [Photo by Tom Coleman, USDA Forest Service]

Goldspotted oak borer. First identified in eastern San Diego County in 2004, the goldspotted oak...

Photo Adult female (left) and male (right) goldspotted oak borers. [Photo by Michael Jones, UC Davis]
Photo Adult female (left) and male (right) goldspotted oak borers. [Photo by Michael Jones, UC Davis]

Photo Adult female (left) and male (right) goldspotted oak borers. [Photo by Michael Jones, UC Davis]

Posted on Tuesday, February 23, 2016 at 10:47 AM
Tags: beetle (10), Flint (4), goldspotted oak borer (1), GSOB (1), invasive (30), oak (2), pest (79), UC IPM (210)

Foamy Bark Canker: A New Disease on Coast Live Oak

Figure 4 Foamy liquid oozing from an infected tree. [A. Eskalen, UCR]

[From the August 2015 issue of the UC IPM Green Bulletin]  Declining coast live oak (Quercus...

Posted on Friday, September 25, 2015 at 3:05 PM
Tags: Akif Eskalen (1), bark (3), beetle (10), beetles (5), canker (3), foamy (2), Geosmithia pallida (1), oak (2), oaks (1), ooze (1), Pseudopityophthorus pubipennis (1), UCCE (6)
 
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