Shothole Borers in California (@ishb_update) 's Twitter Profile
Shothole Borers in California

@ishb_update

Invasive shothole borers (ISHB) are small, non-native, beetles that bore into trees and introduce fungi, resulting in damage or death of thousands of CA trees.

ID: 1346219071444946944

linkhttp://www.ishb.org calendar_today04-01-2021 22:18:01

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Forest health, diseases, pests, pesticides, giant sequoias, water-stress, drone imagery and more were all part of the conversation at the 2024 California Forest Pest Council (73rd) Annual Meeting held at Putah Creek Lodge on the UC Davis Campus.

Forest health, diseases, pests, pesticides, giant sequoias, water-stress, drone imagery and more were all part of the conversation at the 2024 California Forest Pest Council (73rd) Annual Meeting held at Putah Creek Lodge on the UC Davis Campus.
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The most recent discovery of invasive shotholeĀ borer-pathogen complex in Santa Cruz County has been identified as a different species of beetle and symbiotic fungi than the two complexes previously known in California. See a fact sheet at Ā  ucanr.edu/sites/pshb/fil…

The most recent discovery of invasive shotholeĀ borer-pathogen complex in Santa Cruz County has been identified as a different species of beetle and symbiotic fungi than the two complexes previously known in California.  See a fact sheet at Ā  ucanr.edu/sites/pshb/fil…
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Reps from UC ANR, CDFA and LA County Agricultural Commissioner/ W&M interacted with county leaders at the California State Association of Counties 130th Annual Meeting. Decision makers from all 58 California counties attend this annual event with attendance approaching 900.

Reps from UC ANR, CDFA and LA  County Agricultural Commissioner/ W&M interacted with county leaders at the California State Association of Counties 130th Annual Meeting. Decision makers from all 58 California counties attend this annual event with  attendance approaching 900.
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ISHB and other invasive wood-boring insects will be a central focus of the Western Chapter International Society of Arboriculture 2024 Pest Fest held in Concord on Thursday, December 12. For details, visit wcisa.net/meeting/11146.

ISHB and other invasive wood-boring insects will be a central focus of the Western Chapter International Society of Arboriculture 2024 Pest Fest held in Concord on Thursday, December 12. For details, visit wcisa.net/meeting/11146.
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The free, one-hour ISHB online course has been relaunched for 2025 and is approved for 1 CEU from both WC ISA and DPR. To take the course, visit: campus.extension.org/enrol/index.ph….

The free, one-hour ISHB online course has been relaunched for 2025 and is approved for 1 CEU from both WC ISA and DPR. To take the course, visit:

campus.extension.org/enrol/index.ph….
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Invasive Species captured lots of attention at International Sportsmen's Expo in Sacramento. At the California Firewood Task Force booth, reps of CDFA, CAL FIRE, UC ANR and UC Davis shared info on invasive tree pests. Other agencies addressed invasives such as golden mussels.

Invasive Species captured lots of attention at International Sportsmen's Expo in Sacramento. At the California Firewood Task Force booth, reps of CDFA, CAL FIRE, UC ANR and UC Davis shared info on invasive tree pests.  Other agencies addressed invasives such as golden mussels.
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UC ANR advisors Drs. Beatriz Nobua-Behrmann and Chris Shogren led a workshop on Goldspotted Oak Borer and other oak pests and diseases for tree professionals from the Disneyland Resort and various partner organizations at Anaheim’s Oak Canyon Nature Center.

UC ANR advisors Drs. Beatriz Nobua-Behrmann and Chris Shogren led a workshop on Goldspotted Oak Borer and other oak pests and diseases for tree professionals from the Disneyland Resort and various partner organizations at Anaheim’s Oak Canyon Nature Center.
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Southern California Oak Pest & Disease Workshop March 21, 2025 8:30 am - 12:00 pm In person and/or online $25 Registration fee CEUs approved from DPR and ISA Register at surveys.ucanr.edu/survey.cfm?sur…

Southern California Oak Pest & Disease Workshop
March 21, 2025
8:30 am - 12:00 pm
In person and/or online
$25 Registration fee
CEUs approved from DPR and ISA
Register at surveys.ucanr.edu/survey.cfm?sur…
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In Northern California? Join us April 8 at the North Bay Pest Fest 2025 at the Petaluma Veteran's Memorial Building to learn about Invasive Shot Hole Borer (ISHB), Mediterranean Oak Borer (MOB), and other wood boring insects of forestland landscape trees.

In Northern California? Join us April 8 at the North Bay Pest Fest 2025 at the Petaluma Veteran's Memorial Building to learn about Invasive Shot Hole Borer (ISHB), Mediterranean Oak Borer (MOB), and other wood boring insects of forestland landscape trees.
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Join UC IPM for a free webinar on the invasive Mediterranean Oak Borer (MOB) and other important oak tree pests on April 10, 2025 from 6:00 pm to 7:30 pm. Register at ucanr.zoom.us/webinar/regist… ucanr.edu/blog/pests-urb…

Join UC IPM for a free webinar on the invasive Mediterranean Oak Borer (MOB) and other important oak tree pests on April 10, 2025 from 6:00 pm to 7:30 pm.

Register at ucanr.zoom.us/webinar/regist…

ucanr.edu/blog/pests-urb…
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ISHB experts met in Felton with landowners and representatives from conservation groups, agencies and other concerned parties to share knowledge and discuss management options related to the new species of invasive shothole borers infesting trees in Santa Cruz County.

ISHB  experts met in Felton with landowners and representatives from conservation groups, agencies and other concerned parties to share knowledge and discuss management options related to the new species of invasive shothole borers infesting trees in Santa Cruz County.
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The Good, the Bad and...Hey, we're talking about insects, not the volunteers from UC Master Gardeners, LA County ACWM, and UC ANR who shared knowledge and fun with thousands of visitors this weekend at the Natural History Museum of Los Angeles County 2025 Bug Fair!

The Good, the Bad and...Hey, we're talking about insects, not the volunteers from UC Master Gardeners, LA County ACWM, and UC ANR who shared knowledge and fun with thousands of visitors this weekend at the Natural History Museum of Los Angeles County 2025 Bug Fair!
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Check out the recording of the June 9 Invasive Species Lunchtime Talk - Formosan Subterranean Termites: Will Your House Be Their Next Meal? Presented by Dr. Siavash Taravati, UC Cooperative Extension youtu.be/HhlQdZXaJ5o

Check out the recording of the June 9 Invasive Species Lunchtime Talk - Formosan Subterranean Termites: Will Your House Be Their Next Meal?
Presented by Dr. Siavash Taravati, UC Cooperative Extension
youtu.be/HhlQdZXaJ5o
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View the recording of the June 10 Invasive Species Lunchtime Talk - Anticipating the Next Invasive Threat to California Presented by Dr. Mark Hoddle, UC Riverside youtu.be/rFmiu-lVY9c

View the recording of the June 10 Invasive Species Lunchtime Talk - Anticipating the Next Invasive Threat to California  Presented by Dr. Mark Hoddle, UC Riverside
youtu.be/rFmiu-lVY9c
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The recording of the June 11 Invasive Species Lunchtime Talk - Don't Move a (Golden) Mussel Presented by Martha Volkoff, California Department of Fish and Wildlife is now available at youtu.be/HlYLgrEKGeQ

The recording of the June 11 Invasive Species Lunchtime Talk - Don't Move a (Golden) Mussel
Presented by Martha Volkoff, California Department of Fish and Wildlife is now available at
youtu.be/HlYLgrEKGeQ
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Catch the recording of the June 12 Invasive Species Lunchtime Talk - The Fast and the Furriest: Rats, Traps, and Winning the Race Presented by Dr. Niamh Quinn, UC Cooperative Extension youtu.be/MFOMiuGG7Zs

Catch the recording of the June 12 Invasive Species Lunchtime Talk - The Fast and the Furriest: Rats, Traps, and Winning the Race  Presented by Dr. Niamh Quinn, UC Cooperative Extension
youtu.be/MFOMiuGG7Zs
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Take a close look at the recording of the "cutting-edge" June 13 Invasive Species Lunchtime Talk - Palms and Eucalyptus Under Threat in the Golden State Presented by Dr. Eric Middleton, UC Cooperative Extension youtu.be/tQHuNC8HEag

Take a close look at the recording of the "cutting-edge" June 13 Invasive Species Lunchtime Talk - Palms and Eucalyptus Under Threat in the Golden State
Presented by Dr. Eric Middleton, UC Cooperative Extension
youtu.be/tQHuNC8HEag
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A Plague of Pests Is Coming for California. Here’s How to Stop It. Is it wise to use one organism to combat another invasive one? nytimes.com/2025/07/02/opi…

A Plague of Pests Is Coming for California. Here’s How to Stop It.

Is it wise to use one organism to combat another invasive one?

nytimes.com/2025/07/02/opi…