Hemlock Woolly Adelgid

Royalty, Nate
September 2007
Landscape & Irrigation;Sep2007, Vol. 31 Issue 9, p16
The article features the agricultural pest Hemlock woolly adelgids (HWAs). It relates that HWA was first introduced in the U.S. from Asia in the 1920s and discusses the pests nature and characteristics. Moreover, it offers suggestions on how to treat Hemlock trees that are infected and how to prevent it from coming back.


Related Articles

  • WOOLLY APHID (Eriosoma lanigerum).  // Garden;Oct2008, Vol. 133 Issue 10, p691 

    The article focuses on the woolly aphid ("Eriosoma lanigerum"), which affect apple trees. The article presents the symptoms of a woolly aphid infestation, including that shoots will develop soft lumpy growths and that infestations in the spring will affect trunks and larger branches. The article...

  • Left up, dead elms can kill other elms. Crowley, Peter // Adirondack Daily Enterprise;4/30/2010, Vol. 117 Issue 102, p4 

    In this article the author comments on treating Adirondack trees using hemlock wooly adelgid, emerald ash borer and Asian long horned beetle in New York.

  • Avoid Blueberry Rust. Drotleff, Laura // American Fruit Grower;May2010, Vol. 130 Issue 5, p22 

    The article explains how blueberry growers can avoid and control blueberry leaf rust. The blueberry leaf rust is caused by the fungus Naohidemyces vaccini. The leaf rust first appears as tiny yellow spots on the blueberry leaves. Some of recommended preventive control programs for the leaf rust...

  • HELP FOR HEMLOCKS.  // Organic Gardening (08973792);Mar90, Vol. 37 Issue 3, p10 

    Reports on the vulnerability of hemlocks of northern states and Canada to the woolly adelgid.

  • DEMISE of the HEMLOCK. HOOTEN, ART // Countryside & Small Stock Journal;Jul/Aug2013, Vol. 97 Issue 4, p32 

    A personal narrative is presented which explores the author's experience of losing his hemlock trees in the mountain farm in West Virginia, due to the attack of adelgids.

  • Systemically Applied Insecticides for Treatment of Erythrina Gall Wasp, Quadrastichus erythrinae Kim (Hymenoptera: Eulophidae). Doccola, Joseph J.; Smith, Sheri L.; Strom, Brian L.; Medeiros, Arthur C.; von Allmen, Erica // Arboriculture & Urban Forestry;Jul2009, Vol. 35 Issue 4, p173 

    The article presents a study on the effectiveness of the insecticides imidacloprid and emanmectin benzoate in treating erythrina gall wasp (EGW) in coral trees. The study was administered by selecting 60 EGW infected trees treated with the two insecticides wherein its pre and post treatment...

  • Prevent cankerworms from inching away with your profits. HODGSON, ERIN // American Nurseryman;2/1/2009, Vol. 209 Issue 2, p8 

    The article focuses on how to prevent the damages caused by fall cankerworms and spring cankerworms in deciduous trees. It provides a description of cankerworms such as its life cycle and feeding damage which caused defoliation, branch dieback, and reduced growth. It suggests the regular...

  • Prepare for emerald ash borer.  // Nebraska Farmer;Jul2014, Vol. 156 Issue 7, p59 

    The article discusses the green beetle Emerald Ash Borer (EAB) as potential threat to the ash trees of Nebraska, U.S.; expenses incurred by homeowners to treat trees for EAB; and treatments for EAB recommended by the multi-agency EAB working group. INSET: UNL Groundwater Atlas honored.

  • Biocontrol Update for Erythrina Gall Wasp. Dawson, Teresa // Environment Hawai'i;Oct2009, Vol. 20 Issue 4, p12 

    The article focuses on the biocontrol of erythrina gall wasp that kills and cripples native wiliwili trees in Hawaii. Darcy Oishi of the Department of Agriculture (DOA) praises entomologist Mohsen Ramadan for taking the Tanzanian parasitoid wasp Eurytoma erythrinae from Africa to eliminate...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics