Japanese beetles in floral pheromone traps in late July, 2017 in the Cedar Mill neighborhood. Photograph by Chris Hedstrom, ODA.
View all current catches on the interactive map, here:
As far as Japanese beetle habits go, the beetles are at the tail end of peak flight—which means there are many beetles flying—and it is important to use best management practices when disposing of the green waste and yard debris generated from this area.
Currently, the Oregon Department of Agriculture has detected over 12,000 adult beetles from our detection grids. Roughly 2% of these beetles have been found outside of the treatment area. The core of the infestation is located at the center of the treatment area, west of Saltzman Rd and Hartford St, in the Cedar Mill area. Some areas have a sporadic distribution of traps with beetles, possibly the result of beetles being transported on vehicles. However, one trapping area captured beetles consistently throughout a new area, which could indicate low-level infestation and may warrant expansion of the treatment and quarantine boundary in 2018.
We will begin to analyze the information from this year’s surveillance activity to help us develop the 2018 response plan for year two of the eradication project, which begins spring of 2018. The Oregon Department of Agriculture will be seeking greater community support and likely additional funding to have a chance at eradicating this unprecedented amount of Japanese beetles in the Pacific Northwest.
Oregon Department of Agriculture survey technicians have been busy placing traps throughout the state. All traps were in place prior to peak flight of adult beetles and now the traps are being checked and the lures are being replaced. Traps were placed in high densities over a large area to gather specific information about the Japanese beetle population.
These traps are green with a funnel and a catch can. They hang on a metal pole set into the ground near hosts such as turf, roses, or grapes. Japanese beetle traps are baited with a synthetic female sex lure called a pheromone. The traps also have a floral food lure in addition to a pheromone lure. Learn more about the trapping program at the Oregon Department of Oregon website: http://www.oregon.gov/ODA/programs/IPPM/InsectsSpiders/Pages/TrappingSurveys.aspx.
Japanese beetle trap at the Portland International Airport, 2016. Photograph by Jessica Riehl, Samara Group.
In order to keep Japanese beetle from spreading while the adults are actively feeding and breeding aboveground, the ODA has established a yard debris quarantine in the area of Cedar Mill and Bethany. As part of the quarantine, residential yard debris including grass clippings, plants with soil, and sod must be contained and placed in curbside yard debris bins or transported directly to the drop off site at Northwest Landscape Services. Compost and transfer facilities are not allowed to accept yard debris from the quarantine area. These containment efforts are necessary to keep the infestation from spreading by way of current waste management practices. To learn more, please visit our Yard Debris page.
People should expect to see an abundance of Japanese beetles in the quarantine area this summer. As adult beetles begin to emerge from the turf, you can see them feeding on the leaves of a variety of garden and landscape plants. In the weeks to come, adult beetles will lay eggs in areas treated by Oregon Department of Agriculture (ODA). Grubs that hatch deep into treated turf will ingest the granular insecticide Acelepryn applied over the 1,000-acre area and not survive to complete another generational cycle. It is anticipated that subsequent annual treatments will become smaller until the entire population of Japanese beetle in the area is eradicated.
If you see the adult Japanese beetle within the treatment area then the Oregon Department of Agriculture advises that you dispose of them in a container of soapy water. If beetles are observed outside the treatment area please put the specimen in a container or bag and email or call ODA at the contact information provided on the Contact page.
As of mid-June 2017, the primary larvicide treatment for the eradication of Japanese beetle by the Oregon Department of Agriculture has concluded for year one. In all, 99.9% of the landowners have cooperated with the eradication project. This project represents a grassroots dedication to preserving ecological and community health from this destructive invasive species. The Oregon Department of Agriculture is thankful for the support and participation of over 70 individuals, representing 34 organizations, and the residents of Cedar Mill that have made the first year of this project a success.
Have you received your consent form?
Have you signed your consent form?
If you live in the treatment area, you will have received an informational post card and a consent card for the Japanese beetle treatment in the mail this weekend.
ODA is seeking consent from you to treat your property with Acelepryn G, which is a reduced risk granular insecticide, that will effectively eradicate the Japanese beetle population.
The treatment will be conducted in April-May of 2017. We need consent from residents in the treatment area to treat their property. The treatment is free of charge for the residents within the affected area.
Learn more: Find information on the threat that Japanese beetle poses to Oregon and details of the treatment plan at: http://www.japanesebeetlepdx.info/
Sign an online consent form here: http://bit.do/jb-consent
Find out if you are in the treatment area: http://bit.do/jpmap
We need your consent and your support! Japanese beetle has been found in the Cedar Mill neighborhood. The Oregon Department of Agriculture (ODA) is trying to get rid of it before it becomes a problem for everyone in Oregon and negatively impacts Oregon’s agricultural industry.
ODA has been tasked with demonstrating public support for the Japanese beetle eradication project. Residents will be receiving mailers today and tomorrow with a link to an online consent form as well as a consent form that can be mailed to ODA. Residents only need to fill out one or the other, not both.
To help residents learn about the project, ODA will be going door-to-door on March 16, 18, 23, and 25 to answer questions and collect consent forms. We’ll be ready to answer questions and to collect your consent forms. ODA will also have a table at Bales Thriftway all day March 18 and 25 and at the Cedar Mill Library in the afternoon on March 18 and 25.
ODA needs to start treatment soon for Japanese beetle—both for timing of the targeted insect stage AND getting rid of the beetles before the population becomes too widespread. Now is the time to demonstrate support and sign your consent.
This Japanese beetle community eradication project is a cooperative effort. This website is intended to provide readers with information that has been peer reviewed and produced from transparent and accountable sources. The Oregon Department of Agriculture is the lead agency for this project and this website is maintained by Samara Group. For further information about this community-based project, please contact: