1. (a) Proclamation of Eradication Area. The area where the insect emerald ash borer (Agrilus planipennis, Family Buprestidae, Order Coleoptera) is known to exist or there is an immediate threat of introduction is hereby proclaimed to be an eradication area with respect to said pest:

   The entire State of California.

2. (b) Articles, Commodities, Hosts, and Carriers Covered.

   1. 1. The emerald ash borer, any living life stage.
   2. 2. Firewood of ash trees (Fraxinus species) and mixed firewood containing hardwood (non-coniferous) species from an infested area. Infested area means a nation, state, or part of state where the Department has determined more than six trees contain emerald ash borer adults or larvae. Part of a state shall only be designated an infested area if survey data provided by a state plant regulatory agency or the United States Department of Agriculture is detailed enough to indicate six or more trees containing emerald ash borer adults or larvae are confined to a particular part of the state.
   3. 3. Nursery stock of ash, and other ash tree material, including green lumber and other woody material living, dead, cut, or fallen, including logs, stumps, roots, branches, and composted and uncomposted chips.

3. (c) Means and Methods. The following means and methods may be used in the eradication, control or suppression of said pest within said area.

   1. (1) The repeated application of contact insecticide spray treatments, deployment of bait stations, insecticide soil drenches, release of sterile insects, insecticide treatments of host trees and any other articles or things which are infested or exposed to infestation and capable of harboring or spreading emerald ash borer.
   2. (2) The removal and destruction of any and all possible carriers, including host plant nursery stock or trees and shrubs if such action is the only practical way of eliminating the infestation of a host or possible carrier to prevent the spread or reinfestation of emerald ash borer.
   3. (3) The searching for all stages of emerald ash borer by visual inspection, the use of traps to detect or delimit, or any other means anywhere within said area.
   4. (4) The removal and destruction of abandoned or unwanted hosts and possible carriers.
   5. (5) The importation, rearing, liberation, and fostering of parasites, predators, or pathogens that attack emerald ash borer in any life stage.

Note: Authority cited: Sections 407 and 5322, Food and Agricultural Code. Reference: Sections 5761, 5762 and 5763, Food and Agricultural Code.

History

1. New section filed 10-7-2025; operative 1-1-2026 (Register 2025, No. 41).