Current Research

Hemlock Woolly Adelgid

● Integrating Biological and Chemical Control

● Artificial Infestation Techniques

● Hemlock Restoration

Redbay Ambrosia Beetle and Laurel Wilt

● RAB Host Associations

● Utilization and Location Management Strategies for Reducing Laurel Wilt Impact

Walnut Twig Beetle and Thousand Cankers Disease

● Phytosanitary Treatments for Walnut Wood

● Pathogenic Fungi as Potential Biological Control Agents

See more research details at my RWU page

Education

• SUNY College of Environmental Science and Forestry, Ph.D. Environmental and Forest Biology 2002
• West Virginia University, M.S. Forestry 1997
• Yale University, B.S. Biology 1995

Professional Experience

Publications

• Hamilton, Jeffrey ; Fraedrich, Stephen ; Nairn, Campbell ; Mayfield, Albert ; Villari, Caterina . 2021. A field-portable diagnostic approach confirms Laurel Wilt Disease diagnosis in minutes instead of days.
• Mayfield, Albert (Bud); Seybold, Steven; Haag, Wendell; Johnson, Tracy; Kerns, Becky; Kilgo, John; Larkin, Daniel; Lucardi, Rima; Moltzan, Bruce; Pearson, Dean; Rothlisberger, John; Schardt, John; Schwartz, Michael; Young, Michael. 2021. Impacts of invasive species in terrestrial and aquatic systems in the United States..
• Olatinwo, Rabiu O.; Fraedrich, Stephen W.; Mayfield III, Albert E. 2021. Laurel wilt: Current and potential impacts and possibilities for prevention and management.
• Mayfield, Albert E., II.; Marcano-Vega, Humfredo ; Lugo, Ariel E. 2021. Regional Summaries: Southeast and Caribbean.
• Jubb, Carrie S; Heminger, Ariel R; Mayfield, Albert (Bud); Elkinton, Joseph S; Wiggins, Gregory J; Grant, Jerome F; Lombardo, Jeffery A; McAvoy, Thomas J; Crandall, Ryan S; Salom, Scott M. 2020. Impact of the introduced predator, Laricobius nigrinus, on ovisacs of the overwintering generation of hemlock woolly adelgid in the eastern United States.
• Mayfield, A.E. , II.; 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.
• Crandall, Ryan S.; Jubb, Carrie S.; Mayfield, Albert (Bud); Thompson, Biff ; McAvoy, Thomas J.; Salom, Scott M.; Elkinton, Joseph S. 2020. Rebound of Adelges tsugae spring generation following predation on overwintering generation ovisacs by the introduced predator Laricobius nigrinus in the eastern United States.
• Mayfield, Albert ; Juzwik, Jennifer ; Scholer, Jamison ; Vandenberg, John ; Taylor, Adam . 2019. Effect of bark application with Beauveria bassiana and permethrin insecticide on the walnut twig beetle (Coleoptera: Curculionidae) in black walnut bolts.
• Mayfield, Albert E.; Villari, Caterina ; Hamilton, Jeffrey L.; Slye, James ; Langston, Wayne ; Oten, Kelly ; Fraedrich, Stephen . 2019. First report of laurel wilt disease caused by Raffaelea lauricola on sassafras in North Carolina.
• Mayfield, A.E. ; Fraedrich, S.W. ; Merten, P. . 2019. Laurel Wilt.
• McNulty, Steven ; Baca, Aurelia ; Bowker, Michael ; Brantley, Steven ; Dreaden, Tyler ; Golladay, Steven W.; Holmes, Tom ; James, Natasha ; Liu, Shan ; Lucardi, Rima ; Mayfeld, Albert ; Sun, Ge ; Treasure, Emrys ; Conner, L. Mike; Smith, Lora L.; Vose, James M. 2019. Managing Effects of Drought in the Southeast United States.
• Sumpter, Kenton L.; McAvoy, Tom J.; Brewster, Carlyle C.; Mayfield, Albert E.; Salom, Scott M. 2018. Assessing an integrated biological and chemical control strategy for managing hemlock woolly adelgid in southern Appalachian forests.
• Mayfield, Albert ; Audley, Jackson ; Camp, Robert ; Mudder, Bryan ; Taylor, Adam . 2018. Bark colonization of kiln-dried wood by the walnut twig beetle: effect of wood location and pheromone presence.
• Brantley, Steven T.; Mayfield, Albert (Bud); Jetton, Robert M.; Miniat, Chelcy F.; Zietlow, David R.; Brown, Cindi L.; Rhea, Rusty. 2017. Elevated light levels reduce hemlock woolly adelgid infestation and improve carbon balance of infested eastern hemlock seedlings.
• Elkinton, Joseph S.; Lombardo, Jeffrey A.; Roehrig, Artemis D.; McAvoy, Thomas J.; Mayfield, Albert; Whitmore, Mark. 2017. Induction of cold hardiness in an invasive herbivore: The case of hemlock woolly adelgid (Hemiptera: Adelgidae).
• Castrillo, Louela A.; Mayfield, Albert E.; Griggs, Michael H.; Camp, Robert; Mudder, Bryan; Taylor, Adam; Vandenberg, John D. 2017. Mortality and reduced brood production in walnut twig beetles, Pityophthorus juglandis (Coleoptera: Curculionidae), following exposure to commercial strains of entomopathogenic fungi Beauveria bassiana and Metarhizium brunneum.
• Ploetz, R. C .; Hughes, M. A .; Kendra, P. E .; Fraedrich, S. W .; Carrillo, D ; Stelinski, L. L.; Hulcr, J.; Mayfield III, A. E.; Dreaden, Tyler; Crane, J. H .; Evans, E. A.; Schaffer, B. A.; Rollins, J. A. 2017. Recovery plan for laurel wilt of avocado, caused by Raffaelea lauricola.
• Audley, Jackson; Klingeman, William E.; Mayfield, Albert; Myers, Scott; Taylor, Adam. 2017. Walnut twig beetle (Coleoptera: Curculionidae: Scolytinae) Colonization of eastern black walnut nursery trees.
• Case, Ashley E.; Mayfield, Albert (Bud); Clark, Stacy L.; Schlarbaum, Scott E.; Reynolds, Barbara C. 2016. Abundance and frequency of the Asiatic oak weevil (Coleoptera: Curculionidae) and defoliation on American, Chinese, and hybrid chestnut ( Castanea ).
• Wiggins, Gregory J.; Grant, Jerome F.; Rhea, Rusty; Mayfield, Albert (Bud); Hakeem, Abdul; Lambdin, Paris L.; Galloway, A. B. Lamb. 2016. Emergence, seasonality, and hybridization of Laricobius nigrinus (Coleoptera: Derodontidae), an introduced predator of hemlock woolly adelgid (Hemiptera: Adelgidae), in the Tennessee Appalachians.
• Hanula, James L.; Mayfield, Albert (Bud); Reid, Laurie S.; Horn, Scott. 2016. Influence of trap distance from a source population and multiple traps on captures and attack densities of the redbay ambrosia beetle (Coleoptera: Curculionidae: Scolytinae).
• Audley, Jackson; Taylor, Adam; Klingeman, William E.; Mayfield, Albert (Bud); Myers, Scott W. 2016. Insecticide dip treatments to prevent walnut twig beetle colonization of black walnut logs.
• Shepherd, William P.; Sullivan, Brian T.; Mayfield, Albert (Bud); McDonald, Richard C. 2016. Olfactory responses of the hemlock woolly adelgid predator, Laricobius nigrinus (Coleoptera: Derodontidae), to natural and synthetic conifer volatiles.
• Miniat, Chelcy F.; Zeitlow, David; Brantley, Steven T.; Mayfield, Albert (Bud); Rhea, Rusty; Jetton, Robert; Arnold, Paul. . 2016. Physiological responses of eastern hemlock (Tsuga Canadensis) to biological control and silvicultural release: implications for hemlock restoration.
• Audley, J.; Mayfield, A. E.; Myers, S. W.; Taylor, A.; Klingeman, W. E. 2015. Phytosanitation Methods Influence Posttreatment Colonization of Juglans nigra Logs by Pityophthorus juglandis (Coleoptera: Curculionidae: Scolytinae).
• Arsenault, Arielle; Mayfield, Albert (Bud); Wallin, Kimberly. 2015. Ambulatory responses of Laricobius nigrinus (Coleoptera: Derodontidae), a hemlock woolly adelgid predator, to odors from prey, host foliage, and feeding conspecifics..
• Powers, Zaidee; Mayfield, Albert; Frampton, John; Jetton, Robert. 2015. Comparison of suspendedbBranch and direct infestation techniques for artificially Infesting hemlock seedlings with the hemlock woolly adelgid for resistance screening.
• Miller, D. R.; Crowe, C. M.; Dodds, K. J.; Galligan, L. D.; de Groot, P.; Hoebeke, E. R.; Mayfield, A. E.; Poland, T. M.; Raffa, K. F.; Sweeney, J. D. 2015. Ipsenol, ipsdienol, ethanol, and -pinene: trap lure blend for Cerambycidae and Buprestidae (Coleoptera) in pine forests of eastern North America.
• Hughes, M. A.; Smith, J.A.; Ploetz, R. C.; Kendra, P. E.; Mayfield, Albert (Bud); Hanula, James; Hulcr, J.; Stelinski, L.L.; Cameron, S.; Riggins,  J. J.; Carrillo, D.; Rabaglia, R.; Eickwort, J. 2015. Recovery plan for laurel wilt on redbay and other forest species caused by Raffaelea lauricola and disseminated by Xyleborus glabratus.
• Jetton, Robert M.; Mayfield, Albert E., III.; Powers, Zaidee L. 2014. Development of a rain down technique to artificially infest hemlocks with the hemlock woolly adelgid, Adelges tsugae.
• Mayfield, A. E., III.; Fraedrich, S. W.; Taylor, A.; Merten, P.; Myers, S. W. 2014. Efficacy of Heat Treatment for the Thousand Cankers Disease Vector and Pathogen in Small Black Walnut Logs.
• Mayfield, Albert E., III.; Reynolds, Barbara C.; Coots, Carla I.; Havill, Nathan P.; Brownie, Cavell; Tait, Andrew R.; Hanula, James L.; Joseph, Shimat V.; Galloway, Ashley B. 2014. Establishment, hybridization and impact of Laricobius predators on insecticide-treated hemlocks: Exploring integrated management of the hemlock woolly adelgid.
• Kendra, Paul E.; Montgomery, Wayne S.; Niogret, Jerome; Pruett, Grechen E.; Mayfield, Albert (Bud), III.; MacKenzie, Martin; Deyrup, Mark A.; Bauchan, Gary R.; Ploetz, Randy C. 2014. North American Lauraceae: terpenoid emissions, relative attraction and boring preferences of redbay ambrosia beetle, Xyleborus glabratus (Coleoptera: Curculionidae: Scolytinae)..
• Shepherd, William; Montgomery, Michael; Sullivan, Brian; Mayfield, Albert (Bud), III. 2014. Novel method for determining sex of live adult Laricobius nigrinus (Coleoptera: Derodontidae)..
• Hanula, J.L.; Mayfield, Albert E., III. 2014. Redbay Ambrosia Beetle (xyleborus glabratus eichoff) (coleoptera: curculionidae).
• Mayfield, Albert E., III.; Lambdin, P.L. 2014. Walnut Twig Beetle (pityophthorus juglandis blackman) (coleoptera: curculionidae: scolytinae).
• Vose, James M.; Wear, David N.; Mayfield, Albert E., III.; Nelson, C. Dana. 2013. Hemlock woolly adelgid in the southern Appalachians: Control strategies, ecological impacts, and potential management responses.
• Mayfield, Albert (Bud), III.; MacKenzie, Martin; Cannon, Philip G.; Oak, Steve; Horn, Scott; Hwang, Jaesoon; Kendra, Paul E. 2013. Suitability of California bay laurel and other species as hosts for the non-native redbay ambrosia beetle and granulate ambrosia beetle..
• Mayfield, Albert (Bud), III.; Brownie, Cavell. 2013. The redbay ambrosia beetle (Coleoptera: Curculionidae: Scolytinae) uses stem silhouette diameter as a visual host-finding cue.
• Miller, Dan; Dodds, Kevin J.; Eglitis, Andy; Fettig, Chris; Hofstetter, Richard W.; Langor, David W.; Mayfield, Albert (Bud), III.; Munson, A. Steven; Poland, Therese M.; Raffa, Kenneth F. 2013. Trap lure blend of pine volatiles and bark beetle pheromones for Monochamus spp. (Coleoptera: Cerambycidae) in pine forests of Canada and the United States..
• Mayfield, Albert E., III.; Hanula, James L. 2012. Effect of tree species and end seal on attractiveness and utility of cut bolts to the redbay Ambrosia beetle and granulate Ambrosia beetle (Coleoptera: Curculionidae: Scolytinae).
• Dixon, Wayne N.; Mayfield, Albert E., III. 2012. Lesser cornstalk borer.
• Mayfield, Albert E., III. 2012. White grubs.
• Hughes, M.; Smith, J.A.; Mayfield III, A.E., III.; Minno, M.C.; Shin, K. 2011. First report of laurel wilt disease caused by Raffaelea lauricola on pondspice in Florida.
• Salom, Scott; Mayfield, Albert, III.; McAvoy, Tom. 2011. Integrating chemical and biological control.
• Joseph, Shimar V.; Mayfield, Albert E., III.; Dalusky, Mark J.; Asaro, Christopher; Berisford, C. Wayne. 2011. Phenology of the Hemlock Woolly Adelgid (Hemiptera: Adelgidae) in Northern Georgia.

Research Highlights

Highlight	Title	Year
SRS-2020-23	An Integrated Pest Management Strategy for Hemlock Woolly Adelgid Land managers aiming to protect hemlock trees and control hemlock woolly adelgids (HWA) have a new resource from the USDA Forest Service: a tec ...	2020
SRS-2017-143	More sunlight: a solution in the fight against an invasive tree-killing insect Eastern hemlock, a species with key ecological roles in eastern forests, is being killed throughout its range by an invasive insect, the hemlock ...	2017
SRS-2016-176	New Insights Into Trapping the Redbay Ambrosia Beetle The redbay ambrosia beetle carries the pathogen that causes laurel wilt, a disease which has killed millions of redbay and sassafras trees in th ...	2016
SRS-2015-241	Using Predators and Chemicals together to Protect Hemlock Trees. A non-native insect, the hemlock woolly adelgid, is eliminating an ecologically important tree species, eastern hemlock, from southern Appalachi ...	2015