Awọn polyphagous shot iho borer (SHB), Euwallacea sp.ati Fusarium kú, Fusarium euwallaceae, jẹ kokoro tuntun: eka arun ti o nfa ipalara ati iku si ọpọlọpọ abinibi ati awọn igi igilile koriko ati awọn meji ni gusu California. Beetle ambrosia ni titobi agbalejo ati pe o le pari idagbasoke ni> awọn ẹya 20, pẹlu piha oyinbo, Persea Amerika, Maple leaf nla, Acer macrophyllum, Alagba apoti California, acer negundo orisirisi. californicum, California sycamore, Platanus racemosa, etikun ifiwe igi oaku, Quercus agrifolia, castorbean, Communis Rcinis, willow pupa, Salix laebigata, ati alder funfun, Alnus rhombifolia.
US Forest Service Region 5 Idaabobo Ilera Igbo laipe ṣẹda iwe kan ti n ṣe apejuwe awọn aami aisan ipalara ti a ṣẹda nipasẹ SHB. Tẹ ibi lati ṣe igbasilẹ iwe-ipamọ naa.