Jeffrey R. Garnas

Assistant Professor
Extraordinary Faculty, University of Pretoria
Phone: (603) 862-2094
Office: Natural Resources & the Environment, James Hall Rm 162, Durham, NH 03824


  • Ph.D., Ecology and Evolution, Dartmouth College
  • M.S., Ecology and Evolution, University of Maine
  • B.A., Psychology, University of Colorado at Boulder

Courses Taught

  • NR 506: Forest Entomology
  • NR 600: Work Experience
  • NR 782: Forest Health

Selected Publications

Wondafrash, M., Slippers, B., Garnas, J., & Hurley, B. P. (2018). Parasitoid assemblage associated with a North American pine weevil in South Africa. Agricultural and Forest Entomology, 20(2), 208-216. doi:10.1111/afe.12246

Fitza, K. N., Garnas, J. R., & Slippers, B. (2018). Fitness consequences of lineage interbreeding in the nematode Deladenus siricidicola, biological control agent of the European woodwasp, Sirex noctilio. In prep..

Queffelec, J., Wooding, A., Greeff, J., Garnas, J. R., Hurley, B. P., Wingfield, M. J., & Slippers, B. (2018). Potential mechanisms that influence sex ratio variation in the invasive Hymenopteran Sirex noctilio in South Africa. In submission.

Garnas, J., Lombardero, F. J., & Ayres, M. P. (2018). Population Dynamics. In J. Allison, & T. D. Paine (Eds.), Forest Entomology. Springer.

Termer, K. T., Hurley, B., & Garnas, J. R. (2018). Biotic and abiotic drivers of resource quality for Sirex noctilio larvae. Journal of Applied Ecology.

Hajek, A. E., Hurley, B. P., Kenis, M., Garnas, J. R., Bush, S. J., Wingfield, M. J., . . . Cock, M. J. W. (2016). Exotic biological control agents: A solution or contribution to arthropod invasions?. Biological Invasions, 18(4), 953-969. doi:10.1007/s10530-016-1075-8

Boissin, E., Hurley, B., Wingfield, M. J., Vasaitis, R., Stenlid, J., Davis, C., . . . Slippers, B. (2012). Retracing the routes of introduction of invasive species: the case of the Sirex noctilio woodwasp. Molecular Ecology, 21(23), 5728-5744. doi:10.1111/mec.12065

Garnas, J. R., Ayres, M. P., Liebhold, A. M., & Evans, C. (2011). Subcontinental impacts of an invasive tree disease on forest structure and dynamics. Journal of Ecology, no. doi:10.1111/j.1365-2745.2010.01791.x

Dukes, J. S., Pontius, J., Orwig, D., Garnas, J. R., Rodgers, V. L., Brazee, N., . . . Ayres, M. (2009). Responses of insect pests, pathogens, and invasive plant species to climate change in the forests of northeastern North America: What can we predict?. CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE, 39(2), 231-248. doi:10.1139/X08-171

Groden, E., Drummond, F. A., Garnas, J., & Franceour, A. (2005). Distribution of an Invasive Ant, Myrmica rubra (Hymenoptera: Formicidae), in Maine. Journal of Economic Entomology, 98(6), 1774-1784. doi:10.1093/jee/98.6.1774

Most Cited Publications