PPT-Hemlock Woolly Adelgid Identifying Characteristics:

Adults and nymphs are 116 th of an inch long and very hard to find It produces a white woollike covering to protect itself and its eggs Hemlock Woolly Adelgid Life Cycle Eggs are protected by woolly sacs that are produced by adult . 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 It was first observed in Queens New York in 1908 Now Found in 13 states including New Hampshire Elongate Hemlock Scale Elongate Hemlock Scale Fiorinia Fiorinia externa externa Jen Weimer NH Division of Forests Lands brPage 4br EHS Infestation in MILLERPIERCE DAVID A ORWIG AND EVAN PREISSER 13 Environ Entomol 392 51357552519 2010 DOI 101603EN09298 ABSTRACT In the eastern United States two invasive specialist insects share a native host plant Eastern hemlock Tsuga canadensis In recent years Woolly aphid colony showing live purple aphids (R. Bessin, University of Kentucky)ENTFACT-219 PathologistUniversity of Kentucky College of AgricultureThe woolly apple aphid differs from other apple ap 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 . The EASTERN HEMLOCK. Tsuga canadensis. Presented by:. Jayme Longo . Why Hemlocks are Important. Scenic Beauty. 1. Erosion Control. 2. Hydrology Modification. Cooling Temperatures -. Trout Habitat. 3. 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 Figure 1: Insecticide applied as a soil drench. Figure 2: Insecticide can be injected into the soil around hemlock trees. Rev. 06/10 Foliar Treatments: This refers to treatments that kill adelg 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). . combining predictive modeling with monitoring. . Tara M. Barrett. 1 . ,Greg Latta. 2. , Paul E. Hennon. 3. , Bianca N.I. Eskelson. 2. , . Hailemariam. Temesgen. 2. 1. Unaffiliated. 2. Oregon State University. 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. 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