PDF-Elongate Hemlock Scale The elongate hemlock scale, Ferris, native to J

Department of Agriculture Forest Service Northeastern Area NAPR0102 Nymphs and adults of elongate hemlock scale Fiorinia externa on the lower surface of hemlock Nymphs and adults of circular he. 57352573545736657347573455735057353573575735557366573625734557357573555736657345 DESCRIPTION 5735157352573475734557363573570 57354573485735757355573565734757345573635735705737057345573605735457371573475734857345573545736457345573585735257347573455735 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 Annual Re port 2008 Prepared by Mark May r Thomas Dorsey Thomas Scudder Lauren Bronhard Phillip Ala pi Benefic al Insec Laboratory Division of Plant Industry brPage 2br Abstract From 2000 to 2008 339050 Cybocephalus nipponicus were released into Elo 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.. 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. woolly adelgid resistance. E. Preisser, B. Maynard, R. . Casagrande. No reported resistance in . Tsuga canadensis. or . T. . caroliniana. Western . hemlock. W. hemlocks resist eastern HWA. and E. hemlocks resist western HWA. 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. . 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 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). . 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 . 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 . 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