PPT-Hemlock Woolly adelgid

Tennessee Division of Forestry Background History of HWA Hemlock woolly adelgid HWA Adelges tsugae is a nonnative insect pest that kills native eastern and carolina hemlocks Tsuga canadensis . 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 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.. 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 . at the Spectral Curves of Hemlocks Infested With Hemlock Woolly . Adelgid. Cole . Williams, Forestry Major, Department of Natural Resources. cju97@wildcats.unh.edu. Methods. Sampling. – I sampled by filling a one gallon Ziploc bag with foliage. I moistened some tissue to seal in with each bag to keep the samples from drying out. . Distinctive featuresHemipteranWhite wooly massesAdults dark purple to blackAbout 1 mm FlightlessFirst instars and crawlers amberOnly females in North AmericaASEXUAL REPRODUCTION! http://bugguide.net/n Threatened by Hemlock Woolly AdelgidDavid A. Orwig, Harvard Forest &David Kittredge, UMass Extension he introduced HEMLOCK WOOLLY ADELGID (HWA; Adelges tsugae Annand) continues to migrate nor “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. . cast. Junhui. Zhao, Douglas A. Maguire, Douglas B. Mainwaring, Alan . Kanaskie. Background. Young Douglas-fir plantations (≤40 yr) are tremendously important to the economic and environmental health of Oregon and Washington due to their extent and productivity (Campbell et al. 2004, Gray et al. 2005). . Modeling the impacts of hemlock woolly adelgid infestation and presalvage harvesting on carbon stocks in northern hemlock . forests. Jeffrey Krebs, Jen Pontius and Paul . Schaberg. Mapping relative risk of HWA impacts on hemlock growth across the northeast. By. Owen McKenna. Since hemlock woolly adelgid populations in New England suffer from high mortality due to extreme winter cold snaps, population success relies heavily upon . reinfestation. (Parker et al., 1999). The high density regions, or hot spots, of hemlock woolly adelgid within a forest likely ensure the success of these . 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 F Bell Francis R Herman N GRAHAM a former graduate student College of Forestry Oregon State University Corvallis Oregon is currently with the Medford Corporation Medford Oregon JOHN F BELL is professo