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    Author(s): Steven J. Seybold; Tom W. Coleman
    Date: 2011
    Source: In: McManus, Katherine A; Gottschalk, Kurt W., eds. 2010. Proceedings. 21st U.S. Department of Agriculture interagency research forum on invasive species 2010; 2010 January 12-15; Annapolis, MD. Gen. Tech. Rep. NRS-P-75. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station: 123-127.
    Publication Series: Other
    Station: Northern Research Station
    PDF: View PDF  (129.86 KB)

    Description

    A new threat to oaks in California was identified in June 2008 following years of misdiagnosis. The goldspotted oak borer (GSOB), Agrilus coxalis auroguttatus Schaeffer (Coleoptera: Buprestidae), is aggressively attacking and killing three species of oaks in San Diego County (Coleman and Seybold 2008a, b; Hespenheide and Bellamy 2009). About 20,000 coast live oaks, Quercus agrifolia, California black oaks, Q. kelloggii, and canyon live oaks, Q. chrysolepis, have died in a 4,903-km2 area centered near the Descanso Ranger District of the Cleveland National Forest and Cuyamaca Rancho State Park.

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    Citation

    Seybold, Steven J.; Coleman, Tom W. 2011. The goldspotted oak borer: an overview of a research program for "California’s Emerald Ash Borer". In: McManus, Katherine A; Gottschalk, Kurt W., eds. 2010. Proceedings. 21st U.S. Department of Agriculture interagency research forum on invasive species 2010; 2010 January 12-15; Annapolis, MD. Gen. Tech. Rep. NRS-P-75. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station: 123-127.

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