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      • Two-Year Cycle Block Pruning Method by Aki Yamagishi
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    • Anthracnose
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    • Coffee Berry Borer
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Section IC: Feral and Unmanaged Coffee Trees

The information below, is an excerpt from the "Recommendations for Coffee Berry Borer Integrated Pest Management in Hawai‘i 2020" document. The complete article can be downloaded here.

Feral and unmanaged coffee trees provide habitat that produce persistent CBB populations which continually infest managed farms. A review by Damon [4] suggests female CBB can live for an average of 157 days and lay between 31 and 119 eggs within an individual coffee berry. Although CBB can move up to 213 feet (65m) unas- sisted by wind, most beetles remain within 49 feet (15m) of their origin [9]. Research [16,17] in Hawai‘i shows that unmanaged trees on farms have greater populations of CBB than wild, feral coffee trees. These discoveries emphasize the importance of removal or management of feral and unmanaged coffee to reduce CBB and their ability to disperse into and infest managed plots.

1. What do I do about feral and/or unmanaged coffee trees neighboring my farm?

  • If, and only if, you are able to obtain consent from the property owner and/or manager of neighbor- ing properties, consider doing the following. (Note, however, that if permission is denied or you cannot reach the owner/manager, do not enter the property).
    • Strip-pick berries and then destroy all seed- ling, feral, and unmanaged trees, or
    • Strip-pick and then stump trees to eliminate coffee production for an extended period.
    • If berry and raisin removal is not possible, placing CBB traps along the border nearest to the feral and unmanaged trees may help to reduce overflow beetle movement by captur- ing and killing CBB during dispersal flights. Service these traps regularly, as detailed in Appendix C. Note that trapping is NOT otherwise a recommended practice for CBB control, other than monitoring adult numbers.

Remember that strip-picking, the removal of ALL berries and raisins from the tree, must be done BEFORE pruning.

Further reading:
[4] Damon, A. 2000. A review of the biology and control of the coffee berry borer, Hypothenemus hampei (Coleoptera: Scolytidae). Bulletin of Entomological Research. 90: 453–465. https://doi.org/10.1017/S0007485300000584.
[9] Gil, Z.N., P. Benavides, O. De Souza, F.E. Acevedo, and E. Lima. 2015. Molecular markers as a method to evaluate the movement of Hypothenemus hampei (Ferrari). Journal of Insect Science. 15(1): 72–79. https://doi.org/10.1093/jisesa/iev058.
[16] Johnson, M.A., S. Fortna, R.G. Hollingsworth, and N.C. Manoukis. 2019. Postharvest population reservoirs of coffee berry borer (Coleoptera: Curculionidae) on Hawai’i Island. Journal of Economic Entomology. 112(6): 2833-2841. https://doi.org/10.1093/jee/toz219.
[17] Johnson, M. and N. Manoukis. 2018. “Invasive pest and host plant dynamics across a heterogenous landscape: Insights from area-wide monitoring of Coffee Berry Borer on Hawaii Island” presented at the 2018 Coffee Berry Borer Conference held at the Courtyard by Marriot King Kamehameha’s Kona Beach Hotel, Kailua-Kona, Hawaii. 25 April 2018. 


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  • Home
  • Coffee Leaf Rust
    • Coffee Leaf Rust Photos
    • HDOA CLR Pest Alert >
      • HDOA CLR Report Form
    • Sanitation and Disinfestation Info
    • Surveying, Sampling and Monitoring of CLR >
      • HDOA CLR Field Guide and Submission Form
    • Spraying for CLR and Spray Product Info >
      • Spraying for CLR - English
      • Pulverización para CLR - Español
      • Spraying for CLR - Tagalog
      • Spraying for CLR - Ilocano
      • Sprayer Calibration and Pesticide Calculations
      • Priaxor Xemium Info
      • ProBlad Verde Info
      • Pesticide Use FAQs
    • Pruning for CLR and CBB
    • Coffee Leaf Rust Poster >
      • La Roya del Café Póster - Español
      • Coffee Leaf Rust Poster - Tagalog
      • Coffee Leaf Rust Poster - Ilocano
    • CLR Trifold Brochure
    • CLR Presentations and Meetings
    • CLR Publications
    • CLR/CBB Subsidy Program Info
    • Bioworks BotaniGard and Mycotrol Compatibility Chart
  • CBB Management
    • Field Sanitation
    • Pruning >
      • Two-Year Cycle Block Pruning Method by Aki Yamagishi
    • Feral and Unmanaged Coffee Trees
    • Field Monitoring
    • CBB Control >
      • Predators of CBB
    • Harvesting
    • Shipping
    • Beauveria Subsidy Program Info
    • Bioworks BotaniGard and Mycotrol Compatibility Chart
    • 2020 CBB IPM Document
    • CBB & Coffee Presentations & Posters
    • CBB Publications
  • Events and Announcements
    • 4/11-4/15 Sprayer Calibration and Respirator Use and Fit Testing Workshops - Kona, Hilo & Kau
    • Feb/Mar CLR Research and Management Update Webinars with Live Q&A
    • Respirator Fit Test Training Workshops - Sign Up
    • Hands-on Coffee Grafting Workshops - Sign Up
  • Hawaii Coffee Pests and Problems
    • Anthracnose
    • Banana Moth
    • Bird Damage
    • Black Twig Borer
    • Blister Spot
    • Cercospora Leaf Spot and Berry Blotch
    • Coffee Berry Borer
    • Coffee Root-knot Nematode
    • Food Safety Concerns - Slug, feces, etc.
    • Fruit Fly
    • Glyphosate Herbicide Injury
    • Green Scale and Sooty Mold
    • J-rooting
    • Little Fire Ant
    • Mite Feeding Damage
    • Nutritional Problems
    • Over-bearing Dieback
    • Rodent Damage
    • Skin Cracking
    • Slug and Snail Damage
    • Sunburn on Coffee
  • NKO - Coffee Pests and Diseases Not in Hawaii
    • Coffee Berry Disease - NKO
    • Coffee Leaf Miner - NKO
    • Coffee White Stem Borer - NKO
    • Coffee Wilt Disease - NKO
  • Coffee Publications and Presentations
    • Growing Coffee in Hawaii
  • Coffee Leaf and Soil Sampling Instructions
  • HDOA Rules - Coffee
  • USDA - Coffee Rules
  • Coffee Organizations in Hawaii
  • Agricultural Theft
    • Chapter 145 - Reg. of Farm Product
    • Dealer Licensing
    • Contacts
  • Coffee Crop Insurance
  • Archive
  • About us
  • Blog