Updated map of sites where Ceratocystis wilt has been confirmed. Confirmed locations illustrate initial spread of disease in Puna District of the County of Hawaiʻi in 2014. More samples confirmed that the disease was present around the eastern, western and southern areas of the Island of Hawaiʻi in 2015 and 2016. There are now confirmed cases of ROD on the Hāmākua coast and Kohala. Ceratocystis huliohia, the less virulent of the two fungal pathogens causing Rapid ʻŌhiʻa Death, was detected on the Island of Kauaʻi in May 2018. And, in December 2018, Ceratocystis lukuohia, the more virulent fungal pathoen causing ROD was detected in Kauaʻi.
*While this map shows general locations for confirmed cases of Rapid ʻŌhiʻa Death, it does not necessarily indicate the pattern of disease spread over time.