Keeping the Legacy Alive

Research Papers

If you would like to learn more about hemlock woolly adelgid, please check out some of the current research papers available below. 

Sweeney J. 2021. Review of non-target impacts of imidacloprid. Natural Resources Canada, Canadian Forest Service [notes prepared by Jon Sweeney, Natural Resources Canada, Canadian Forest Service, 1350 Regent Street, Fredericton, NB, E3C 2G6, June-July 2021].

Neidermeier, Alex N., Darrell W Ross, Nathan P Havill, and Kimberly F Wallin. 2020. Temporal Asynchrony of Adult Emergence Between Leucopis argenticollis and Leucopis piniperda (Diptera: Chamaemyiidae), Predators of the Hemlock Woolly Adelgid (Hemiptera: Adelgidae), with Implications for Biological Control. Environmental Entomology, Volume 49, Issue 4, August 2020, Pages 823–828.


Roscoe, Lucas, Jeff Fidgen, Michael Stastny, and Glen Forbes. 2022. Biological Control of HWA in Eastern Canada. Forest Pest Forum, Ottawa, ON, Canada.


Russo, N.J., Elphick, C.S., Havill, N.P. et al. 2019 .Spring bird migration as a dispersal mechanism for the hemlock woolly adelgid. Biol Invasions 21, 1585–1599.

Piatek, Kathryn B.; Fajvan, Mary Ann; Turcotte, Richard M. 2017. Thinning effects on foliar elements in eastern hemlock: implications for managing the spread of the hemlock woolly adelgid. Canadian Journal of Forest Research. 47(1): 81-88

CABI, 2022. Adelges tsugae (hemlock woolly adelgid). In: Invasive Species Compendium. Wallingford, UK: CAB International. 


Thompson HM, Wiggins G, Lenhart S. 2022. Modeling interactions of hemlock woolly adelgid and the two biological control predatory beetle species in the Great Smoky Mountains National Park. Biological Control. Volume 173, October 2022, 104986.


Krebs, Jeffrey; Pontius, Jennifer; Schaberg, Paul G. 2017. Modeling the impacts of hemlock woolly adelgid infestation and presalvage harvesting on carbon stocks in northern hemlock forests. Canadian Journal of Forest Research. 47(6): 727-734. 


Mayfield, A.E., III; S.M. Salom; K. Sumpter; T. McAvoy; N.F. Schneeberger; R. Rhea. 2020. Integrating chemical and biological control of the hemlock woolly adelgid: a resource manager’s guide. FHAAST-2018-04. USDA Forest Service, Forest Health Assessment and Applied Sciences Team, Morgantown, West Virginia.


Thompson, H. M.,T. J. McAvoy, G. Wiggins, S. M. Salom, and S. Lenhart. 2023.​Interaction of hemlock woolly adelgid populations with host tree health drives population oscillations.Ecosphere14(8):c4387.