Angela Liu

Author's posts

Tree Climbing Workshop in Hilo, Hawaii – February 9, 2018

MAHALO NUI LOA   to STIHL and  for sponsoring this workshop and helping to promote best practices in Hawaii and to Mark Chisholm, Dan Kraus, and Tree Works, Inc. for helping to bring excellent programs to the tree industry in Hawaii    

Pest of the Month – November 2017

CANKERS Excerpted in part from Hawai‘i Landscape Plant Pest Guide: Plant Diseases, by Dr. Scot Nelson, University of Hawaii College of Tropical Agriculture and Human Resources (UH-CTAHR) PD-105, January 2015, available at: https://www.ctahr.hawaii.edu/oc/freepubs/pdf/PD-105.pdf Photos: Dr. Scot Nelson Description: Cankers are sunken areas of dead tissue or splits in the bark or epidermis of branches, stems, …

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Pest of the Month – October 2017

SNAILS and SLUGS Photos: Angela Liu  Arborists are concerned about land mollusks – snails, slugs, and semi-slugs – because ornamental woody plants provide hiding places for these pests. Tree seedlings, young leaves and tree fruit also provide forage for these gastropods. Exotic snail species are introduced when plant materials (landscaping supplies, Christmas trees, etc.) are …

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Pest of the Month – September 2017

AMBROSIA BEETLES (Weevil Family Curculionidae, SubFamily Scolytinae)   Photos (Except as noted): J.A. Zarders, A.H.Hara, R.Y. Niino‐DuPonte, S.K.Cabral, and K.L.Aoki. Ambrosia Beetles (2013). University of Hawai’I at Mānoa, CTAHR, Komohana Research & Extension Center, Hilo, HI.  Ambrosia beetles are small reddish-brown to dark-brown cylindrical beetles that tunnel into xylem tissue (sapwood or heartwood) and inoculate …

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Pest of the Month – August 2017

Pest of the Month – Bot canker, aka Ficus branch dieback (Botryosphaeria complex) * This pest is not currently in Hawai’i. AAA raises awareness of potential pest threats so that arboriculture professionals and residents alike can help our state monitor and identify pest problems when they arise.   Photos: University of California, Division of Agriculture & Natural Resources …

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WCISA Regional Conference Comes to Hawaii, June 27-30

CLICK HERE to download the Meeting Flyer and Registration Form from WCISA’s website For the agenda and directions, click the link for your island (you will be directed to WCISA’s website): Tues. June 27 – Oahu Wed. June 28 – Kauai Thurs. June 29 – Maui Fri. June 30 – Big Island Registration is through WCISA Online registration …

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A Celebration of Gregory Severino

On March 4th, 2017, many of us gathered at Kahe Point Beach Park to celebrate Gregory Severino. We will always remember his life with gratitude and joy. Thank you to everyone who came to share the moment, and may we continue to remember Greg by living his Aloha spirit. 

Guest Speaker – May 2017

Tree Topic of the Month Ready, Set, Go! Wildland Fire Action Guidelines A Talk by Pablo Akira Beimler, Hawaii Wildfire Management Organization (Excerpted from AAA’s monthly meeting minutes of May 2017)   May is wildfire preparedness month. Pablo had just spent the day at every school on Oahu’s leeward side educating youth. HWMO is expecting …

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Pest of the Month – March 2017

Light-brown apple moth (Epiphyas postvittana) * This pest is not currently in Hawai’i. AAA raises awareness of potential pest threats so that arboriculture professionals and residents alike can help our state monitor and identify pest problems when they arise.   Description: Described by University of Florida as “extremely polyphagous”, this insect threatens ecological, agricultural, and …

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AAA Tree Jamboree – Day of Fun for Everyone

  – MAHALO TO OUR SPONSORS –  Your support helped make the Jamboree a success! Aloha Power Equipment Hilton Waikiki Beach Sterling Teufelberger TreeStuff ****** with special thank-you’s from AAA to: Darcy Oishi, Dept of Agriculture Kualoa Ranch Jamboree Volunteers, and All our Participants