ʻO ka polyphagous shot hole borer (SHB), Euwallacea sp., a me Fusarium dieback, ʻO Fusarium euwallaceae, he pepeke hou: paʻakikī maʻi e hōʻeha a make i nā kumulāʻau a me nā kumu lāʻau a me nā kumu lāʻau nani ma ka hema o Kaleponi. He ākea ākea ka namu ambrosia a hiki ke hoʻopau i ka hoʻomohala ʻana ma> 20 mau ʻano, me ka avocado, ʻO Persea americana, lau nui maple, Acer macrophyllum, lunakahiko pahu Kaleponi, ʻO Acer negundo aia. californicum, Kaleponi sycamore, Platanus racemosa, kahakai ola oak, ʻO Quercus agrifolia, castorbean, Ricinus komunis, ʻulaʻula willow, Salix laevigata, a me ka alder keʻokeʻo, Alnus rhombifolia.
Ua hana ʻo US Forest Service Region 5 Forest Health Protection i kahi palapala e hōʻike ana i nā hōʻailona hōʻeha i hana ʻia e ka SHB. Kaomi maanei e kiʻi i ka palapala.