Polyphagous Shot Hole Borer
Photo: Gevork Arakelian
West Coast trees in the US are being attacked by shot hole borers. The beetles are in the genus, Euwallacea that insect biologists suspect* is a multi-species complex rather than a single species. The Tea Shot Hole Borer, Euwallacea fornicatus, is an invasive pest from Asia that invaded Florida early in the 21st century. The beetle has spread but damage appears limited.
In 2010, Euwallacea spp. beetles killed box elder trees in Long Beach…
Source: Living With Insects Blog