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Resource Conservation Districts (RCDs) are special districts of the State of California, set up to be locally governed agencies with their own locally appointed or elected, independent boards of directors.
While we can't replace time spent in the field, you can learn the basics about invasive shothole borers with our ISHB eXtension Training! First time users will be asked to create a free account.
Reproductive hosts are plant species that are capable of 1) supporting beetle reproduction and 2) growing the fungi that cause Fusarium dieback. Source: Eskalen, A. et al. 2013-2018 https://apsjournals.apsnet.org/doi/abs/10.
ISHB Overview Euwallacea interjectus: A new shothole borer species introduction in California (12/2024) UC IPM Pest Notes, Publication 74179, Invasive Shothole Borers (8/2023) Invasive Tree Pests: Beware of This Costly Triple Threat (12/2022) ISHB California Resident Advisory (5/2021) Invasive Shoth...