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Biological Control and Integrated Pest Management 
Office Location: 128 Plant Biotechnology Building
Office Phone: 865-974-0218
Ph.D., Clemson University, Major: Entomology
M.S., University of Kentucky, Major: Entomology
B.S., Berea College, Major: Biology
Biological Control of Insects and Weeds
Integrated Pest Management of Invasive Species
Forest Pests
Research Description:
Our program investigates the use of natural enemies as population regulators of pest species (insects and weeds) and develops integrated pest management programs incorporating biological control against invasive species of forests, natural areas, ornamentals, and agricultural systems. I serve as the leader of the Integrated Pest Management (IPM) (applied insect ecology)/Biological Control Research Program at the University of Tennessee to address the issues and problems facing the agricultural industry, as well as those impacting upon our forests and natural resources. Research focuses on invasive species (insects and weeds) and integrates the use of biological control in IPM programs. The overall research emphasis is focused on component IPM, emphasizing the development of safe, effective, and economical methods of IPM, and the biological/ecological interactions relating to insect species and their environment.  The major emphasis of my research laboratory currently addresses hemlock woolly adelgid, thousand cankers disease of black walnut, and emerald ash borer – two are invasive exotic insects that currently threaten the health and survival of eastern and Carolina hemlock and ash, respectively, in the eastern United States and the other one is a transplanted insect/pathogen/disease complex from the western U.S. which now threatens black walnut in its native range of the eastern U.S.  Past research has focused on weed biological control and its impact on non-target organisms (such as biological control of musk thistle and related ecological concerns), as well as investigating numerous forest pests, such as insect transmission of the pathogen that causes dogwood anthracnose, epidemiology of beech bark disease (insect/pathogen complex), and natural enemies of gypsy moth. 
Teaching Description:
Teach/co-teach several undergraduate (FYS 129 ["A Bug's Life"] and EPP 410 ["Diseases and Insects of Ornamental Plants"]) and graduate courses (EPP 523 ["Field Crop and Vegetable Insects'], EPP 530 ["Integrated Pest Managment"], EPP 552 ["Insect Morphology"], EPP 560 ["Advanced Integrated Pest Management'], and EPP 608 ["practical Applications of IPM" and "Invasive Insect Species and Biological Control"]) related to entomology; involved in outreach programs (Insect Zoo, Cricket Spittin', Insect Smorgasbord, Butterfly House, etc.) to provide entomological fun and education to all ages (young and 'not so young') and to provide outreach/service opportunities for departmental graduate and undergraduate students in several courses.
Representative Publications:

Coots, C.P., P. Lambdin, J. Grant, R. Rhea, and E. Mockford.  2012.  Pscopteran species associated with eastern hemlock in the southern Appalachians.  Florida Entomologist  95:224-227.

Coots, C., P. Lambdin, J. Grant, R. Rhea, and E. Mockford.  2012.  Vertical stratification and co-occurrence patterns of the Psocoptera community associated with eastern hemlock, Tsuga canadensis (L.) Carrière, in the southern Appalachians.  Forests 3:127-136  (also available at doi: 10.3390/f3010127).
Grant, J. F., Rhea, J.R., G. J. Wiggins, Hakeem, A., and P. L. Lambdin.  2012.  Whole-tree enclosures: A tool to assess introduced predators of hemlock woolly adelgid, Adelges tsugae.  IN Onken, B. and R. Reardon (Tech. Coord.), Implementation and Status of Biological Control of Hemlock Woolly Adelgid. U.S. Forest Service Publication FHTET-2011-04.
Wiggins, G. J. and J. F. Grant.  2012. New distribution record of Larinus planus (Coleoptera: Curculionidae) in Tennessee.  Journal of Entomological Science 47:1-3.
Grant, J. F., M. T. Windham, Haun, W. G., G. J. Wiggins, and P. L. Lambdin.  2011.  Initial assessment of thousand cankers disease on black walnut, Juglans nigra, in eastern Tennessee.  Forests 2:741-748. 
Hakeem, A., J. F. Grant, G. J. Wiggins, P. L. Lambdin, and Rhea, J. R..  2011.  Establishment and coexistence of two predators, Laricobius nigrinus and Sasajiscymnus tsugae, introduced against hemlock woolly adelgid on eastern hemlock.  Biocontrol Science and Technology, 21:687-691, doi: 10.1080/09583157.2011.571351. 
Wiggins, G., J. Grant, P. Lambdin, J. Ranney, J. Wilkerson, A. Reed, and R. Follum. 2010. Host utilization of field-caged native and introduced thistle species by Rhinocyllus conicus.  Environmental Entomology 39:1858-1865.



EPP Personnel​