PPT-Hemlock Woolly Adelgid Training

Background History of HWA Hemlock woolly adelgid HWA Adelges tsugae is a nonnative insect pest that kills native eastern hemlock Tsuga canadensis HWA was first discovered in Virginia in 1951 and as of 2012 has spread to 18 eastern states where it has significantly altered or reduced native hemlock populations . Repeated attacks weaken trees cause twig gouting kill branches and over the course of several years cause trees to die What is at risk There are nearly 19 billion balsam fir trees in Mi chigans forests And as the third largest Christmas treegrowing invasiveplantsabca Habitat Woolly burdock grows in most soil types but pre fers moist loamy well drained soils in full sun Identi64257cation Stems Stems can grow to 250 cm and are branched Stems are erect and grooved with white cobwebby hairs Stems a caroliniana in the Eastern United States It has been found in the District of Columbia and in nine states from Virginia to southern New England and west to Ohio F externa attacks the lower surface of the hemlock needle where it remov es fluids from Other factors can influence the impact of the hemlock woolly adelgid. Other insects, such as elongate hemlock such as biological, chemical, cultural, and silvicultural control to reduce the populatio By: Joe Beck III and . Tayler. . Termeer. Conium . maculatum. A member of the parsley family. Up to 6 . ft. tall and has purple spots on the stem. . Grows on fertile soils across the U.S.. Department of Agriculture Forest Service Northeastern Area NA-PR-01-02 Nymphs and adults of elongate hemlock scale, Fiorinia externa, on the lower surface of hemlock Nymphs and adults of circular he Ex situ . Gene Conservation of Eastern Hemlocks (. Tsuga. . canadensis. ) . Threatened . by the Hemlock Woolly . Adelgid. (. Adelges. . tsugae. ). Robert . M. Jetton. 1. , . Kevin M. Potter. 2. , William . Tennessee Division of Forestry. Background History of HWA. Hemlock woolly adelgid (HWA) (. Adelges tsugae) . is a non-native insect pest that kills native eastern and carolina hemlocks. . (. Tsuga canadensis . “An Outdoor Wonderland”. By: Penny . Hartwick. LIBM 6320. September 26, 2011. (. Hartwick. , P. Personal Photograph. September 10, 2011) . Mission . Statement. The mission of Woolly Hollow State Park is to provide quality recreational opportunities to meet the needs of the park visitors and to enhance the outdoor experience and safeguard the needs of the park visitors and to enhance the natural, cultural, and historical resources by providing exceptional facilities and skilled leadership. . Gill, Amanda . Klemmer. , . Robert . Northington. , Thomas . Par. Experimental evidence that hemlock decline . changes the . role of detritus in . freshwater food . webs. Multiple effects of climate change on NE freshwaters. Adults and nymphs are 1/16. th. of an inch long and very hard to find. It produces a white wool-like covering to protect itself and its eggs. Hemlock Woolly . Adelgid. Life Cycle. Eggs are protected by woolly sacs that are produced by adult . 1mm small wingless insect. Has 2 – 4 generations per year. Injects toxic saliva that damages tree’s vascular tissues, eventually killing the tree. Transported in crawler stage by wind, animals, and people. APPENDIX A PLANT ASSOCIATIONS The analysis area lies mostly within the Western Hemlock plant series (89 percent), but also contains the Pacific silver fir series (5 percent), Grand Fir series (3 per astern emlockTsuga canadensisLLtered stands in nearly every partof the stateBest growth is attained onmoistcool sitesIt generally attains aeetand a diameter of23 feetThe terminal shoot droopsand bends