Two adult Asian longhorned beetles, Anoplophora glabripennis, were discovered outside of a privately owned warehouse in Sacramento, California. This detection marks the first California report of the beetle in the natural environment.  The warehouse had received a shipment of decorative stone from China that was packed in wooden pallets, a known pathway of introduction for this wood-boring beetle.  Common hosts for A. glabripennis are maple, birch, elm, poplar and sycamore trees.,Intensive surveys and trapping efforts are underway in a 9-square-mile radius around the original detection area.

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http://www.sfgate.com/cgi-bin/article.cgi?file=/news/archive/2005/07/13/state/n154609D74.DTL