AAA shares pest information regularly, so that industry professionals and the public can stay informed and help protect Hawaii's trees.
Mar 22
Invasive Cerambycid beetle found in Puna, Big Island Naio thrips found in Kalihi, Moanalua, Pearl City, downtown Honolulu, Waikīkī Click below to download pest information: Acalolepta aesthetica (Cerambycid longhorned beetle) New Pest Advisory Acalolepta aesthetica – Quick Pest Fact Sheet OISC flyer – Myoporum Thrips Detected on Oahu Klambothrips myopori Pest Advisory, June 2009 …
Apr 02
Wasmannia auropunctata Little Fire Ant Update Maui Invasive Species Committee produced a very effective youtube video: https://www.youtube.com/watch?v=mJ8TQ_ASsYQ Find out about ant management training on Hawai’i Island, the last Friday of every month, at www.littlefireants.com/AMC.html. Distribution: Big Island – widespread; Oahu, Maui and Kauai – localized detections are being managed by …
Apr 02
New exotic ornate pit scale species found in Hawaii Island Asterococcus Prob. yunnanensis Mahalo to the Hawaii Dept of Agriculture Plant Pest Control Branch, and Janis Matsunaga for the information and photos in this post. For more details, see: “Asterococcus sp. prob. yunnanensis Borchsenius (Hemiptera: Cerococcidae): A New Exotic Scale Insect Pest in Hawaii and the …
Nov 29
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, …
Nov 02
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 …
Aug 30
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 …
Mar 20
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 …
Nov 15
Pest of the Month Ficus Leaf-Rolling Psyllid (aka FLRP, Trioza brevigenae) Photos: Donald R. Hodel, University of California Cooperative Extension, Los Angeles County Distribution: Discovery of the pest in six counties in southern California constitutes a new …
Oct 25
Pest of the Month Mamaki Rust (Pucciniastrum boehmeriae) Photos: Hawaii Department of Agriculture, Plant Pest Control Branch Description: Mamaki rust was only recently observed for the first time in Hawaii. Distribution: Widespread in eastern Asia. On the Big Island, Hawaiian Acres, Kurtistown. On Oahu, in the Koolau Mountains. Hosts: First seen on endemic mamaki, aka mamake or waimea …
Sep 25
Pest of the Month South American Palm Weevil (Rhynchophorus palmarum) Photos: UC IPM Green Bulletin (Vol.6 No.2 August 2016) Description: This weevil is currently not in Hawaii; please help keep an eye out for it. The adult is ~1 ½ inch long, shiny black, with small hairs on its body and a typical weevil “snout”. The …