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Northern Research Station
11 Campus Blvd., Suite 200
Newtown Square, PA 19073
(610) 557-4017
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Hemlock Woolly Adelgid

Publications

 

TitleAuthorYear
Phenology and Synchrony of Scymnus coniferarum (Coleoptera: Coccinellidae) with Multiple Adelgid Species in the Puget Sound, WA, USADarr, Molly ; Brooks, Rachel ; Havill, Nathan ; Hoebeke, E. ; Salom, Scott2018
Partnering With a Pest: Genomes of Hemlock Woolly Adelgid Symbionts Reveal Atypical Nutritional Provisioning Patterns in Dual-Obligate BacteriaWeglarz, Kathryn M.; Havill, Nathan P.; Burke, Gaelen R.; von Dohlen, Carol D.2018
Cryptic east-west divergence and molecular diagnostics for two species of silver flies (Diptera: Chamaemyiidae: Leucopis ) from North America being evaluated for biological control of hemlock woolly adelgidHavill, Nathan P.; Gaimari, Stephen D.; Caccone, Adalgisa2018
Modeling the impacts of hemlock woolly adelgid infestation and presalvage harvesting on carbon stocks in northern hemlock forestsKrebs, Jeffrey; Pontius, Jennifer; Schaberg, Paul G.2017
Feeding by Leucopis argenticollis and Leucopis piniperda (Diptera: Chamaemyiidae) from the western USA on Adelges tsugae (Hemiptera: Adelgidae) in the eastern USAMotley, K.; Havill, N.P.; Arsenault-Benoit, A.L.; Mayfield, A.E.; Ott, D.S.; Ross, D.; Whitmore, M.C.; Wallin, K.F.2017
Thinning effects on foliar elements in eastern hemlock: implications for managing the spread of the hemlock woolly adelgidPiatek, Kathryn B.; Fajvan, Mary Ann; Turcotte, Richard M.2017
Predators collected from balsam woolly adelgid and Cooley spruce gall adelgid in western Oregon and Washington, U.S.A., with reference to biological control of hemlock woolly adelgid (Hemiptera: Adelgidae)Ross, Darrell W.; Kohler, Glenn R.; Wallin, Kimberly F.2017
The big chill: quantifying the effect of the 2014 North American cold wave on hemlock woolly adelgid populations in the central Appalachian MountainsTobin, Patrick C.; Turcotte, Richard M.; Blackburn, Laura M.; Juracko, John A.; Simpson, Brian T.2017
Ancient and modern colonization of North America by hemlock woolly adelgid, Adelges tsugae (Hemiptera: Adelgidae), an invasive insect from East AsiaHavill, Nathan P. ; Shiyake, Shigehiko; Lamb Galloway, Ashley; Foottit, Robert G.; Yu, Guoyue; Paradis, Annie; Elkinton, Joseph; Montgomery, Michael E.; Sano, Masakazu; Caccone, Adalgisa2016
Mortality rates associated with crown health for eastern forest tree speciesMorin, Randall S.; Randolph, KaDonna C.; Steinman, Jim2015
A 10-Year assessment of hemlock decline in the Catskill Mountain region of New York state using hyperspectral remote sensing techniquesHanavan, Ryan P.; Pontius, Jennifer; Hallett, Richard2015
Benefits of invasion prevention: Effect of time lags, spread rates, and damage persistenceEpanchin-Niell, Rebecca S.; Liebhold, Andrew M.2015
Field assessment of hybridization between Laricobius nigrinus and L. rubidus, predators of AdelgidaeFischer, Melissa J.; Havill, Nathan P.; Brewster, Carlyle C.; Davis, Gina A.; Salom, Scott M.; Kok, Loke T.2015
Behavioral responses of Laricobius spp.and hybrids (Coleoptera: Derodontidae) to hemlock woolly adelgid and adelgid host tree odors in an olfactometerArsenault, Arielle L.; Havill, Nathan P.; Mayfield, Albert E.; Wallin, Kimberly F.2015
Assessment of the potential for hybridisation between Laricobius nigrinus (Coleoptera: Derodontidae) and Laricobius osakensis, predators of the hemlock woolly adelgid (Hemiptera: Adelgidae)Fischer, Melissa J.; Brewster, Carlyle C.; Havill, Nathan P.; Salom, Scott M.; Kok, Loke T.2015
Host range specificity of Scymnus camptodromus (Coleoptera: Coccinellidae), a predator of hemlock woolly adelgid (Hemiptera: Adelgidae)Limbu, Samita; Cassidy, Katie; Keena, Melody; Tobin, Patrick; Hoover, Kelli2015
Invasions by two non-native insects alter regional forest species composition and successional trajectoriesMorin, Randall S.; Liebhold, Andrew M.2015
Behavioral Responses of Laricobius spp. and Hybrids (Coleoptera: Derodontidae) to Hemlock Woolly Adelgid and Adelgid Host Tree Odors in an OlfactometerArsenault, Arielle L.; Havill, Nathan P. ; Mayfield, Albert E.; Wallin, Kimberly F.2015
Scymnus camptodromus (Coleoptera: Coccinellidae) larval development and predation of hemlock woolly adelgid (Hemiptera: Adelgidae)Limbu, Samita; Keena, Melody A.; Long, David; Ostiguy, Nancy; Hoover, Kelli2015
Hemlock woolly adelgid: a threat to eastern forestsHavill, Nathan P.; Vieira, Ligia C.; Salom, Scott M.2014
Post release recovery of hemlock woolly adelgid predators in the North Georgia mountains.Jones, C.E.; Havill, Nathan P. ; Hanula, James; Braman, S.K.2014
Establishment, hybridization and impact of Laricobius predators on insecticide-treated hemlocks: Exploring integrated management of the hemlock woolly adelgidMayfield, Albert E.; Reynolds, Barbara C.; Coots, Carla I.; Havill, Nathan P.; Brownie, Cavell; Tait, Andrew R.; Hanula, James L.; Joseph, Shimat V.; Galloway, Ashley B.2014
Stylet bundle morphology and trophically related enzymes of the hemlock woolly adelgid (Hemiptera: Adelgidae)Oten, Kelly L.F.; Cohen, Allen C.; Hain, Fred P.2014
Potential social and economic impacts of the hemlock woolly adelgid in southern New EnglandLi, Xiaoshu; Preisser, Evan L.; Boyle, Kevin J.; Holmes, Thomas P.; Liebhold, Andrew; Orwig, David2014
Biology and control of hemlock woolly adelgidHavill, Nathan P.; Vieira, Ligia C.; Salom, Scott M.2014
Contamination delays the release of Laricobius osakensis for biological control of hemlock woolly adelgid: cryptic diversity in Japanese Laricobius sppFischer, Melissa J.; Havill, Nathan P.; Jubb, Carrie S.; Prosser, Sean W.; Opell, Brent D.; Salom, Scott M.; Kok, Loke T.2014
Changes in the regional abundance of hemlock associated with the invasion of hemlock woolly adelgid (Adelges tsugae Annand)Trotter, R. Talbot; Morin, Randall S.; Oswalt, Sonja N.; Liebhold, Andrew2013
When one is not necessarily a lonely number: initial colonization dynamics of Adelges tsugae on eastern hemlock, Tsuga canadensisTobin, Patrick C.; Turcotte, Richard M.; Snider, Daniel A.2013
Field-cage evaluation of the survival, feeding and reproduction of Laricobius osakensis (Coleoptera: Derodontidae), a predator of Adelges tsugae (Hemiptera: Adelgidae)Viera, L.C.; Salom, S.M.; Montgomery, M.E.; Kok, L.T.2013
Vegetation and invertebrate community response to eastern hemlock decline in southern new EnglandIngwell, Laura L.; Miller-Pierce, Mailea; Trotter, R. Talbot; Preisser, Evan L.2012
Hybridization between a native and introduced predator of Adelgidae: An unintended result of classical biological controlHavill, N.P.; Davis, Gina; Mausel, David; Klein, Joanne; McDonald, Richard; Jones, Cera; Fischer, Melissa; Salom, Scott; Caccone, Adelgisa2012
Effects of temperature and photoperiod on the aestivo-hibernal egg diapause of Scymnus camptodromus (Coleoptera: Coccinellidae)Keena, Melody A.; Trotter III, R. Talbot; Cheah, Carole; Montgomery, Michael E.2012
DNA barcodes and molecular diagnostics to distinguish an introduced and native Laricobius (Coleoptera: Derodontidae) species in eastern North AmericaDavis, G.A.; Havill, N.P.; Adelman, Z.N.; Caccone, A.; Kok, L.T.; Salom, S.M.2011
Understanding Federal regulations as guidelines for classical biological control programsMontgomery, Michael E.2011
Comparison of fecundity and survival of hemlock woolly adelgid (Hemiptera: Adelgidae) in northern and southern populationsRoehrig, Artemis; Elkinton, Joseph2011
Orientation behavior of the predator Laricobius nigrinus (Coleoptera: Derodontidae) to hemlock woolly adelgid and host tree odors in a multi-chambered olfactometerWallin, Kimberly F.; Latty, Tanya M.; Ross, Darrell W.2011
Hemlock woolly adelgid and its hemlock hosts: A global perspectiveHavill, Nathan P.; Montgomery, Michael E.; Keena, Melody2011
Simulations of population dynamics of hemlock woolly adelgid and potential impact of biological control agentsElkinton, Joseph S.; Trotter, Robert T.; Paradis, Ann F.2011
Aerial application of the insect-killing fungus Lecanicillium muscarium in a microfactory formulation for hemlock woolly adelgid suppressionCosta, Scott; Felton, Karen; Onken, Bradley; Reardon, Richard; Rhea, Rusty2011
Preparing for hemlock woolly adelgid in Ohio: Communities associated with hemlock-dominated ravines of Ohio's unglaciated Allegheny PlateauMartin, Katherine L.; Goebel, P. Charles2011
Scanning electron microscopy as a tool in understanding hemlock woolly adelgid biology, feeding behavior, and host plant resistanceOten, K.L.; Strider, J.B.; Hain, F.P.2011
Notes on the biology of Scymnus (Pullus) coniferarum: an adelgid predatorMontgomery, Michael E.; McDonald, Richard C.2011
Hemlock woolly adelgid biological control: molecular methods to distinguish Laricobius nigrinus, L. rubidus, and their hybridsHavill, Nathan P.; Davis, Gina; Klein, Joanne; Caccone, Adalgisa; Salom, Scott2011
Long-term weather variability and shifting distribution limits of the invasive hemlock woolly adelgid (Adelges tsugae Annand)Trotter III, R. Talbot2011
Scymnus (Neopullus) lady beetles from ChinaMontgomery, Michael E.; Keena, Melody A.2011
Laricobius osakensis, a hemlock wooly adelgid predator from JapanLamb, Ashley; Montgomery, Michael E.; Viera, Ligia Cota; Shiyake, Shigehiko; Salom, Scott2011
The introduction of Laricobius nigrinus as a biological control agent for the hemlock woolly adelgid: Is there a threat to the native congener, L. rubidus?Havill, Nathan P.; Salom, Scott; Davis, Gina; Fischer, Melissa; Mausel, David; Onken, Bradley2011
Other species consideredMontgomery, Michael E.; McAvoy, Thomas J.; Salom, Scott M.2011
Prey suitability and phenology of Leucopis spp. (Diptera: Chamaemyiidae) associated with hemlock woolly adelgid (Hemiptera: Adelgidae) in the Pacific NorthwestGrubin, Sarah M.; Ross, Darrell W.; Wallin, Kimberly F.2011
A spatial-dynamic value transfer model of economic losses from a biological invasionHolmes, Thomas P.; Liebhold, Andrew M.; Kovacs, Kent F.; Von Holle, Betsy2010
Growth and survival of the hemlock woolly adelgid (Adelges tsugae)Paradis, Annie; Elkinton, Joe; Van Driesche, Roy; Hunkins, Roy; Lyon, Suzanne; Boettner, George2010
Stand dynamics of an old-growth eastern hemlock-hardwood forest in West VirginiaBeane, Nathan R.; Heitzman, Eric; Schuler, Thomas M.2010
A landscape-scale remote sensing/GIS tool to assess eastern hemlock vulnerability to hemlock woolly adelgid-induced declinePontius, Jennifer; Hallett, Richard; Martin, Mary; Plourde, Lucie2010
Maintenance of eastern hemlock forests: Factors associated with hemlock vulnerability to hemlock woolly adelgidFajvan, Mary Ann; Bohall Wood, Petra2010
Evaluation of hemlock (Tsuga) species and hybrids for resistance to Adelges tsugae (Hemiptera: Adelgidae) using artificial infestationMontgomery, Michael E.; Bentz, S.E.; Olsen, Richard T.2009
Research and development program on host plant resistance to hemlock woolly adelgidMontgomery, Michael E.; Gottschalk, Kurt W.2009
Allozyme Variation in Hemlock Woolly Adelgid (Hemiptera: Adelgidae) from the United States and ChinaSánchez, V.; Keena, M.A.; Keena, M.A.2009
Effect of winter temperatures on the survival of hemlock woolly adelgid and the potential impact of global warming on its future range in eastern North AmericaParadis, Annie; Elkinton, Joe; Hayhoe, Katharine; Buonaccorsi, John2009
Microsporidian pathogens in coleopteran predators of hemlock woolly adelgidSolter, Leellen F.; Onken, Bradley2009
Activity and persistence of systemic insecticides for managing hemlock woolly adelgidsCowles, Richard S.; Lagalante, Anthony F.2009
Hemlock woolly adelgid population geneticsHavill, Nathan P.; Montgomery, Michael; Shiyake, Shigehiko; Lamb, Ashley; Keena, Melody A.; Caccone, Adalgisa2009
Why cage a tree? Use of whole-tree enclosures to assess introduced predators of hemlock woolly adelgid, Adelges tsugaeGrant, Jerome F.; Rhea, James Rusty; Lambdin, Paris; Wiggins, Greg; Hakeem, Abdul2009
Intraspecific variation in Tsuga canadensis foliar chemistryIngwell, Laura; Brady, Joseph; Fitzpatrick, Matthew; Maynard, Brian; Casagrande, Richard; Preisser, Evan2009
Genetics and conservation of hemlock species threatened by the hemlock woolly adelgidJetton, Robert; Dvorak, William; Whittier, Andrew; Potter, Kevin; Rhea, Rusty2009
Variation in winter survival of the invasive hemlock woolly adelgid (Hemiptera: Adelgidae) across the eastern United StatesTrotter, R. Talbot, III; Shields, Kathleen S.2009
Multigenerational dispersal of an introduced and native Laricobius species within eight hemlock woolly adelgid infested hemlock standsDavis, Gina A.; Salom, Scott M.; Kok, Loke T.2009
The foliar chemistry dynamic in eastern hemlock and how it relates to the competitive mechanism between two invasive herbivores: Adelges tsugae and Fiorinia externa.Miller-Pierce, Mailea R.; Preisser, Evan L.; Orwig, Dave A.2009
Characterization of microsatellite loci for Laricobius nigrinus and L rubidus, predators of adelgids in North AmericaHavill, Nathan P.; Klein, Joanne; Keena, Melody A.; Caccone, Adalgisa2009
Anisotropic spread of hemlock woolly adelgid in the eastern United StatesMorin, Randall S.; Liebhold, Andrew M.; Gottschalk, Kurt W.2009
Hemlock canopy arthropods: biodiversity on a threatened host.Trotter, R. Talbot III2009
Using dendrochronology to model hemlock woolly adelgid effects on eastern hemlock growth and vulnerabilityRentch, James; Fajvan, Mary Ann; Evans, Richard A.; Onken, Brad2009
Observer bias and the detection of low-density infestations: a case study with the hemlock woolly adelgidFitzpatrick, Matthew C.; Preisser, Evan L.; Ellison, Aaron M.; Elkinton, Joseph S.2009
Japanese Laricobius sp n, a promising biological control candidate for hemlock woolly adelgidLamb, Ashley; Shiyake, Shigehiko; Havill, Nathan; Montgomery, Michael; Kok, Loke2009
Gypsy moth IPMMcManus, Michael L.; Liebhold, Andrew M.2009
Forest Service R&D — Invasive Insects: Visions for the FutureKlepzig, Kier D.; Poland, Therese M.; Gillette, Nancy E.; Haack, Robert A.; Keena, Melody A.; Miller, Daniel R.; Montgomery, Michael E.; Seybold, Steven J.; Tobin, Patrick C.2009
The role of arboreta in studying the evolution of host resistance to the hemlock woolly adelgidHavill, Nathan P.; Montgomery, Michael E.2008
The role of volatile terpenoids in the relationship of the hemlock woolly adelgid and its host-plantsMontgomery, Michael E.; Lagalante, Anthony F.2008
Resistance of hemlock species and hybrids to hemlock woolly adelgidBentz, S.E.; Montgomery, Michael E.; Olsen, Richard T.2008
Molecular ecology of hemlock woolly adelgid, its hosts, and its natural enemiesHavill, Nathan P.; Montgomery, Michael E.; Foottit, Robert2008
Using dendrochronology to model hemlock woolly adelgid effects on eastern hemlock growth and vulnerabilityRentch, James; Fajvan, Mary Ann; Evans, Richard; Onken, Brad2008
An overview of lady beetles in relation to their potential as biological controls for hemlock woolly adelgidYu, Gouyue; Montgomery, Michael E.2008
Hemlock woolly adelgid initiative: progress and future directionOnken, Brad; Keena, Melody2008
Hemlock woolly adelgid phenology and predacious beetle community on Japanese hemlocksShiyake, Shigehiko; Miyatake, Yorio; Montgomery, Michael; Lamb, Ashley2008
The role of silvicultural thinning in eastern forests threatened by hemlock woolly adelgid (Adelges tsugae)Fajvan, Mary Ann2008
Climate matching: implications for the biological control of hemlock woolly adelgidTrotter, R. Talbot III2008
Incorporating hemlock woolly adelgid impacts into the Forest Vegetation Simulator modelTrotter, R. Talbot III; Courter, Anthony W.; Turcotte, Richard M.; Onken, Brad2008
Evaluation of the Japanese Laricobius sp. n. and other natural enemies of hemlock woolly adelgid in JapanLamb, Ashley; Shiyake, Shigehiko; Salom, Scott; Montgomery, Michael; Kok, Loke2008
Recovery of hemlock woolly adelgid predators in the high country of northwestern North Carolina, 2004-2008McDonald, Richard; Mausel, David; Salom, Scott; Kok, Loke; Montgomery, Michael; Luker, Gina; Steury, Stan; Spears, Gene; Skeate, Stewart; Graham, James; Hamstead., Byron2008
Low temperature in the hemlock woolly adelgid systemCosta, Scott D.; Trotter, R. Talbot; Montgomery, Michael; Fortney, Michael2008
Modeling environmentally driven life cycles for hemlock woolly adelgid and the biological control agent Scymnus sinuanodulusTrotter, R. Talbot; Montgomery, Michael E.2008
Evaluation of imidacloprid treatment on hemlock woolly adelgid in PennsylvaniaWerner, S.M.; Cowles, R.A.2008
Release and monitoring of Laricobius nigrinus (Coleoptera: Derodontidae) for classical biological control of the hemlock woolly adelgid in the Eastern U.S.Mausel, David L.; Salom, Scott M.; Kok, Loke T.2007
Hemlock woolly adelgid and its natural enemies in Yunnan Province, China: first-year (2005) resultsLi, Li; Lu, Wenhua; Montgomery, Michael; Van Driesche, Roy; Salom, Scott2007
Evaluation of non-native Tsuga species as replacements for T. canadensis killed by hemlock woolly adelgidWeston, Paul A.; Harper, Richard W.2007
Hemlock woolly adelgid and its natural enemies in Sichuan Province, China, 2005Zhou, Jianhua; Xiao, Yinbo; Xiao, Yugui; Lu, Wenhua; Montgomery, Michael; Van Driesche, Roy; Salom, Scott2007
Tsuga chinensis as a source of host resistance to the hemlock woolly adelgidBentz, S. E.; Griesbach, Robert J.; Pooler, Margaret R.; Townsend, A. M.2007
A comparison of strategies for experimentally inoculating eastern hemlock with the hemlock woolly adelgidButin, Elizabeth; Preisser, Evan; Elkinton, Joseph2007
Multivariate statistical analysis of hemlock (Tsuga) volatiles by SPME/GC/MS: insights into the phytochemistry of the hemlock woolly adelgid (Adelges tsugae Annand)Lagalante, Anthony; Calvosa, Frank; Mirzabeigi, Michael; Iyengar, Vikram; Montgomery, Michael; Shields, Kathleen2007
The effects of climate, geography, and time on hemlock woolly adelgid and its natural enemiesTrotter, R. Talbot, III2007
Field cage evaluations of the lady beetle Scymnus sinuanodulus for biological control of the hemlock woolly adelgidMontgomery, Michael; Cheah, Carole A. S-J.; Asaro, Christopher2007
Establishment of Laricobius nigrinus (Coleoptera: Derodontidae) for biological control of hemlock woolly adelgidSalom, Scott M.; Kok, Loke T.; Mausel, David L.; Dellinger, Theresa A.; Eisenback, Brian M.; Flowers, Robbie W.2007
Enhancement of foreign collection and quarantine evaluation of hemlock woolly adelgid natural enemiesMontgomery, Mike; Van Driesche, Roy; Salom, Scott; Lu, Wenhua; Yu, Guoyue; Zhou, Jianhua; Li, Li; Shiyake, Shigehiko2007
Temporal and spatial variation of terpenoids in eastern hemlock (Tsuga canadensis) in relation to feeding by Adelges tsugaeLagalante, Anthony F.; Lewis, Nyssa; Montgomery, Michael E.; Shields, Kathleen S.2006
Activity and Residues of Imidacloprid Applied to Soil and Tree Trunks to Control Hemlock Woolly Adelgid (Hemiptera: Adelgidae) in ForestsCowles, R.S.; Montgomery, M.E.; Cheah, C.A.S.-J.2006
Mitochondrial DNA from Hemlock Woolly Adelgid (Hemiptera: Adelgidae) Suggests Cryptic Speciation and Pinpoints the Source of the Introduction to Eastern North AmericaHavill, Nathan P.; Montgomery, Michael E.; Yu, Guoyue; Shiyake, Shigehiko; Caccone, Adalgisa; Caccone, Adalgisa2006
Using AVIRIS to assess hemlock abundance and early decline in the Catskills, New YorkPontius, Jennifer; Hallett, Richard; Martin, Mary2005
Preliminary Assessment of the Cold Tolerance of Laricobius nigrinus, a Winter-active Predator of the Hemlock Woolly Adelgid from Western CanadaHumble, Leland M.; Mavin, Linda; Mavin, Linda2005
An Anisotropic Model of Hemlock Woolly Adelgid SpreadEvans, Alexander2005
2002-2003 Winter Mortality of Hemlock Woolly Adelgid in the Northeastern United StatesShields, Kathleen S.; Cheah, Carole A.S-J.2005
Comparing Systemic Imidacloprid Application Methods for Controlling Hemlock Woolly AdelgidCowles, Richard S.; Cheah, Carole S.- J.; Montgomery, Michael E.; Montgomery, Michael E.2005
A New Species of Laricobius from China (Coleoptera: Derodontidae), a Predator of Hemlock Woolly AdelgidGatton, Holly A.; Zilahi-balogh, Gabriella; Salom, Scott M.; Kok, L.T.2005
Development of Insect-killing Fungi for Management of Hemlock Woolly AdelgidCosta, Scott D.; Skinner, Margaret; Gouli, Svetlana; Brownbridge, Michael; Gouli, Vladimir; Reid, William; Parker, Bruce L.2005
Comparing Systemic Imidacloprid Application Methods for Controlling Hemlock Woolly Adelgid [abstract]Cowles, Richard S.; Cheah, Carole S.- J.; Montgomery, Michael E.2005
Hemlock Woolly Adelgid (Adelges tsugae Annand) Phenology and Predators in the Pacific NorthwestByrkit, Maggie K.; Ross, Darrell W.2005
Mapping host-species abundance of three major exotic forest pestsMorin, Randall S.; Liebhold, Andrew M.; Luzader, Eugene R.; Lister, Andrew J.; Gottschalk, Kurt W.; Twardus, Daniel B.2005
Sampling Hemlock Woolly Adelgid and Developing Insect-killing Fungi for Their SuppressionCosta, Scott D.; Gouli, Vladimir; Gouli, Svetlana; Skinner, Margaret; Brownbridge, Michael; Parker, Bruce L.2005
Potential concerns for tree response from stem injectionSmith, Kevin T.; Lewis, Phillip A.2005
Initial Results in Measuring Hemlock Woolly Adelgid Populations in Trees and ForestsEvans, Alexander2004
Early regeneration following the presalvage cutting of hemlock from hemlock-dominated standsBrooks, Robert T.2004
An exotic pest threat to eastern hemlock: an initiative for management of hemlock woolly adelgidBridges, J. Robert; Shields, Kathleen S.2003
Hemlock woolly adelgid biological control researchMontgomery, Michael; Havill, Nathan; Cheah, Carole; McClure, Mark; Zilahi-Balogh, Gabriella; Lamb, Ashley; Salom, Scott2003
Mapping forest risk associated with the hemlock woolly adelgidLiebhold, Andrew M.; Morin, Randall S.; Lister, Andrew; Gottschalk, Kurt W.; Luzader, Eugene; Twardus, Daniel2003
Comparative impact of Scymnus ningshanensis and Pseudoscymnus tsugae (Coleoptera: Coccinellidae) on the hemlock woolly adelgidButin, Elizabeth; Elkinton, Joseph; Havill, Nathan; Montgomery, Michael2003
Recognition of imported lady beetles in the tribe Scymnini released in Eastern North AmericaJones, Lynn A.; Montgomery, Michael; Yu, Guoyue; Lu, Wenhau2002
Pre-release host range assessment for classical biological controls: experience with predators for the hemlock woolly adelgidButin, Elizabeth; Montgomery, Montgomery; Havill, Nathan; Elkinton, Joseph2002
Monitoring hemlock woolly adelgid and assessing its impacts in the Delaware River BasinWilliams, David W.; Montgomery, Michael E.; Shields, Kathleen S.2002
Biology of Scymnus ningshanensis (Coleoptera: Coccinellidae): A predator of Adelges tsugae (Homoptera: Adelgidae)Montgomery, Michael; Wang, Hongbin; Yao, Defu; Lu, Wenhau; Havill, Nathan; Li, Guangwu2002
Hemlock woolly adelgid impact assessment surveyColbert, Jim; Seese, Matthew; Onken, Bradley2002
Forest Health Monitoring in Connecticut, 1996-1999 Northeastern Research Station2002
Effects of the removal of overstory hemlock from hemlock-dominated forests on eastern redback salamandersBrooks, Robert T.2001
Assessment of landscape correlates of eastern hemlock decline due to hemlock woolly adelgidYoung, John; Snyder, Craig; Akerson, James; Hunt, Gary2000
Chinese Coccinellidae for biological control of the hemlock woolly adelgid: description of native habitatMontgomery, Michael E.; Yao, Defu; Wang, Hongbin2000
Stand, landscape, and ecosystem analyses of hemlock woolly adelgid outbreaks in southern New England: an overviewOrwig, David A.; Foster, David R.2000
Comparative biology of three Scymnus lady beetles (Coleoptera: Coccinellidae): predators of Adelges tsugae (Homoptera: Adelgidae)Lu, Wenhua; Montgomery, Michael E.2000
Influences of eastern hemlock mortality on nutrient cyclingYorks, Thad E.; Jenkins, Jennifer C.; Leopold, Donald J.; Raynal, Dudley J.; Orwig, David A.2000
The effects of site factors on the rate of hemlock decline: a case study in New JerseyRoyle, Denise; Lathrop, Richard2000
Composition, structure, and sustainability of hemlock ecosystems in eastern North AmericaMcWilliams, William H.; Schmidt, Thomas L.2000
Impacts of hemlock woolly adelgid - the effects on tree health and mortality probabilityColbert, J. J.; Onken, Bradley2000
Host suitability and preference of Laricobius nigrinus (Fender) (Coleoptera: Derodontidae): a predatory beetle for potential biological control of Adelges tsugae (Annand) (Homoptera: Adelgidae)Zilahi-Balogh, Gabriella; Salom, Scott M.; Kok, L. T.2000
Hemlock resources at risk in the Great Smoky Mountains National ParkJohnson, Kristine D.; Hain, Fred P.; Johnson, Katherine S.; Hastings, Felton2000
Classification and spatial analysis of eastern hemlock health using remote sensing and GISBonneau, Laurent R.; Shields, Kathleen S.; Civco, Daniel L.; Mikus, David R.2000
Lady beetles (Coleoptera: Coccinellidae) from Chinese hemlocks infested with the hemlock woolly adelgid, Adelges tsugae Annand (Homoptera: Adelgidae)Yu, Gouyue; Montgomery, Michael E.; Yao, Defu2000
Hemlock mortality after hemlock woolly adelgid attack: role of ArmillariaWargo, Philip M.; Fagan, J. Chris2000
Vascular plant propagule banks of six eastern hemlock stands and potential response to the hemlock woolly adelgid in the Catskill Mountains of New YorkYorks, Thad E.; Leopold, Donald J.; Raynal, Dudley J.2000
Insects intercepted on Solid Wood Packing Materials at United States Ports-of-Entry: 1985-1998Haack, Robert A.; Cavey, Joseph F.2000
Predicting long-term forest development following hemlock mortalityJenkins, Jennifer C.; Canham, Charles D.; Barten, Paul K.2000
Is Pseudoscymnus tsugae the solution to the hemlock woolly adelgid problem?: An early perspectiveMcClure, Mark S.; Cheah, Carole A. S-J.; Tigner, Timothy C.2000
Use of multi-date Landsat TM imagery to map eastern hemlock (Tsuga canadensis) decline due to hemlock woolly adelgid (Adelges tsugae) in Shenandoah National ParkMorton, David D.; Young, John A.; Thomsen, Nissa M.2000
Effects of the removal of overstory hemlock on redback salamanders and other forest-floor faunaBrooks, Robert T.2000
Vegetation composition and structure in two hemlock stands threatened by the hemlock woolly adelgidBattles, John J.; Cleavitt, Natalie; Fahey, Timothy J.; Evans, Richard A.2000
The role of site conditions in survival of hemlocks infested with the hemlock woolly adelgid: amelioration through the use of organic biostimulantsSivaramakrishnan, Saroj; Berlyn, Graeme P.2000
Dynamics of Connecticut hemlock standsWard, Jeffrey S.; Smith, David M.2000
Evaluation of aestival diapause in hemlock woolly adelgidSalom, Scott M.; Mays, Warren T.; Neal, John; Sharov, Alexei2000
Hemlock woolly adelgid (Homoptera: Adelgidae): stylet bundle insertion and feeding sitesYoung, Rebecca F.; Shields, Kathleen S.; Berlyn, Graeme P.1995
Natural enemies of adelgids in North America: Their prospect for biological control of Adelges tsugae (Homoptera: Adelgidae)Montgomery, Michael E.; Lyon, Suzanne M.1995
Scymnus (Pullus) suturalis Thunberg (Coleoptera: Coccinellidae): New locality records and a report on feeding on hemlock woolly adelgid, Adelges tsugae Annand (Homoptera: Adelgidae)Lyon, S.M.; Montgomery, M.E.1995

Last Modified: 10/02/2009