Iyo polyphagous shot hole borer (SHB), Euwallacea sp.uye Fusarium kufa, Fusarium euwallaceae, chipembenene chitsva: chirwere chakaoma chinokonzera kukuvara uye kufa kune akawanda emunharaunda uye anoshongedza miti yakaoma yehuni nemakwenzi kumaodzanyemba kweCalifornia. Chipembenene cheambrosia chine huwandu hwakakura hwekugamuchira uye chinogona kupedzisa kusimukira mu>20 mhando, kusanganisira yekotapeya, Persea americana, bigleaf maple, Acer macrophyllum, California box mukuru, acer negundo pane. californicum, California sycamore, Platanus racemosa, gungwa live oak, Quercus agrifolia, bhinzi, Common chikwekwe, murwi mutsvuku, Salix laevigata, uye white alder, Alnus rhombifolia.
US Forest Service Region 5 Forest Health Protection nguva pfupi yadarika yakagadzira gwaro rinoratidza zviratidzo zvekukuvara zvinogadzirwa neSHB. Dzvanya apa kuti utore gwaro racho.