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Clemson University
college of agriculture, forestry and life sciences clemson university

David Coyle

Associate Professor
Forest Health and Invasive Species
Forestry and Wildlife Resources Program Team, Forestry and Environmental Conservation Department

Office: 121 Lehotsky
Phone: 864-656-9766
Fax: 864-656-3304

Vita: Download CV
Personal Website:


Educational Background

Ph.D. Entomology
University of Wisconsin 2011

M.S. Entomology and Forestry
Iowa State University 2000

B.A. Biology
Luther College 1997


Dr. Coyle joined the faculty in 2018 with a focus on forest health and invasive species Extension. Prior to Clemson, he created and directed the Southern Forest Health and Invasive Species program, which provided education and training to forestry professionals across the southeastern U.S. Dr. Coyle uses various forms of communication - including social media, traditional writing, and in-person visits - to help educate people about forest health, invasive species, and forest management. He is a member of the Society of American Foresters and the Entomological Society of America, has served on the Board of Directors for the North American Invasive Species Management Association and ProForest. He is a permanent member of the South Carolina Invasive Species Advisory Committee.

Research Interests

My research is focused on a) the impacts of invasive species, and b) forest and tree health and management. What are the ecological and economic impacts of invasive species? Can we improve our management of invasive species by finding and utilize new control methods? Can we help trees become more resistant to pests through tree care techniques and silvicultural management?

Extension and Outreach

My Extension program provides forest and tree health information for landowners and professionals in South Carolina and throughout the southeastern U.S. I work closely with the Forestry and Natural Resources, Horticulture, and other Clemson Extension teams. I run the Bradford Pear Bounty Programs in South Carolina.


Pile Knapp, L.S., D.R. Coyle, D.C. Dey, J.S. Fraser, T. Hutchinson, M.A. Jenkins, C.C. Kern, B.O. Knapp, D. Maddox, C. Pinchot, and G.G. Wang. 2023. Invasive plant management in eastern North American forests: a systematic review. For. Ecol. Manage. 550: 121517,

Silva, A.E., R.J. Speakman, B.F. Barnes, D.R. Coyle, J.C. Leaphart, E.F. Abernethy, K.L. Turner, O.E. Rhodes, J.C. Beasley, and K.J.K. Gandhi. 2023. Bioaccumulation of contaminants in Scarabaeidae and Silphidae beetles at sites polluted by coal combustion residuals and radiocesium. Sci. Total Environ. 904: 166821,

Davis, J.S., A.N. Glover, K.M. Everson, D.R. Coyle, and C.R. Linnen. 2023. Identification, biology, and management of conifer sawflies (Hymenoptera: Diprioninae) in eastern North America. J. Integr. Pest Manage. 14(1), 13,

Franic, I.G, E. Allen, S. Prospero, K. Adamson, et al. 2023. Climate, host and geography shape insect and fungal communities of trees. Sci. Rep. 13, 11570.

Greenwood, L., M.A. Avila, D.R. Coyle, M.E. Guerrero, G. Hernandez, C.J.K. MacQuarrie, O. Trejo, and M.K. Noseworthy. 2023. Exploring pest mitigation research and management associated with the North American wood packaging supply chain: what and where are the weak links? Biol. Invasions 25: In Press.

Zhang, B., L. Zhai, G.N. Ervin, and D.R. Coyle. 2023. Effective and timely use of models to inform on-the-ground management of invasive plants. Biol. Invasions 25: In Press.

Ferriera, G.W.D., M.D. Coleman, D.R. Coyle, and D.P. Aubrey. 2023. Whole-tree dormant season nitrogen pools for different species receiving combinations of fertilization and irrigation after one short rotation. For. Ecol. Manage. 529: In Press.

Oten, K.L.F., R.M. Jetton, and D.R. Coyle. 2023. Ecology, impacts, and management of common late season defoliators of southern hardwoods. J. Integr. Pest Manage. 14(1), 4,

Chuang, A., J.F. Deitsch, D.R. Nelsen, M.I. Sitvarin, and D.R. Coyle. 2023. The Joro spider (Trichonephila clavata) in the southeastern U.S.: an opportunity for research and a call for reasonable journalism. Biol. Invasions 25: 17-26.

Coyle, D.R. and K.L.F. Oten. 2022. It’s heeeere… The shock and excitement of an invasive species discovery. Am. Entomol. 68: 32-36.

Solano, A.G, S.L. Rodriguez, L. Greenwood, P.J. Rosopa, and D.R. Coyle. 2022. Achieving effective outreach for invasive species: firewood case studies from 2005 to 2016. Biol. Invasions 24: 3321-3339.

Coyle, D.R., J. Adams, E. Bullas-Appleton, J. Llewellyn, A. Rimmer, M.J. Skvarla, S.M. Smith, and J.-H. Chong. 2022. Identification and management of Cydalima perspectalis in North America. J. Integr. Pest Manage. 13(1), 24,

Coyle, D.R. and E.W. Hodgson. 2022. Guiding the next generation of Extension professionals: there’s a method to the madness. Am. Entomol. 68: 24-27.

Sapkota, S., S.L. Boggess, R.N. Trigiano, W.E. Klingeman, D. Hadziabdic, D.R. Coyle, and M. Nowicki. 2022. Microsatellite loci reveal high genetic diversity and high mutation and migration rates as invasion divers of Callery pear (Pyrus calleryana) in the southeastern U.S. Front. Genet. 13:861398.

Darr, M.N., D.R. Coyle, and R.M. Jetton. 2022. Arthropod and disease management in Fraser fir (Pinales: Pinaceae) Christmas trees in the southeastern United States. J. Integr. Pest Manage. 13(1), 8.

Zhai, L., D.R. Coyle, D. Li, and A. Jonko. 2022. Fire, insect, and disease-caused tree mortalities increased in forests of greater structural diversity during drought. J. Ecol. 110: 673-685.

Franic, I., S. Prospero, K. Adamson, E. Allen, F. Attorre, et al. 2022. Worldwide diversity of endophytic fungi and insects associated with dormant tree twigs. Sci. Data 9, 62:

Hartshorn, J.A., J.F. Palmer, and D.R. Coyle. 2022. Into the wild: evidence for the enemy release hypothesis in the invasive Callery pear (Pyrus calleryana Decne.). Environ. Entomol. 51: 216-221.

Coyle, D.R., B.M. Williams, and D.L. Hagan. 2021. Fire can reduce thorn damage by the invasive Callery pear tree. HortTechnology 31: 625-629.

Smith, J., D. Coyle, D. Thomason, T. Matthews, and J.J. Riggins. 2021. Geocaching: a new instructional tool for natural resources extension and outreach. J. Extension 59(3): Article 16, 9 p.,

Sapkota, S., S.L. Boggess, R.N. Trigiano, W.E. Klingeman, D. Hadziabdic, D.R. Coyle, B.A. Olukolu, R.D. Kuster, and M. Nowicki. 2021. Microsatellite loci reveal genetic diversity of Asian Callery pear (Pyrus calleryana) in the species native range and in the North American cultivars. Life 11(6), 531,

Darr, M.N. and D.R. Coyle. 2021. Fall cankerworm (Lepidoptera: Geometridae), a native defoliator of broadleaved trees and shrubs in North America. J. Integr. Pest Manage. 12(1), 23,

Hartshorn, J.A. and D.R. Coyle. 2021. Comparative meta-analysis effects of non-native ants (Hymenoptera: Formicidae), ground beetles (Coleoptera: Carabidae), and bark and ambrosia beetles (Coleoptera: Curculionidae) on native confamilials. Environ. Entomol. 50: 622-632.

Hartshorn, J.A., D.R. Coyle, and R.J. Rabaglia. 2021. Responses of native and non-native bark and ambrosia beetles (Coleoptera: Curculionidae: Scolytinae) to different chemical attractants: insights from the USDA Forest Service Early Detection and Rapid Response program data analysis. J. Econ. Entomol. 114: 776-783.

Lalk, S., J.A. Hartshorn, and D.R. Coyle. 2021. Invasive woody plants and their effects on arthropods in the United States: challenges and opportunities. Ann. Entomol. Soc. Am. 114: 192-205.

Coyle, D.R., R.S. Trotter, III, M.S. BeanG, and S.E. Pfister. 2021. First recorded Asian longhorned beetle (Coleoptera: Cerambycidae) infestation in the southern U.S. J. Integr. Pest Manage. 12(1), 10:

Solano, A., S.L. Rodriguez, L. Greenwood, K.J. Dodds, and D.R. Coyle. 2021. Firewood transport as a vector of forest pest dispersal in North America: A scoping review. J. Econ. Entomol. 114: 14-23.

Vogt, J.T., D.R. Coyle, D. Jenkins, C. Barnes, C. Crowe, S.G. Horn, C. Bates, and F.A. Roesch. 2020. Efficacy of five herbicide applications for control of Callery pear (Pyrus calleryana). Inv. Plant Sci. Manage. 13: 252-257.

Coyle, D.R., T. Brosius, Z. DeVries, R. Schmidt-Jeffris, R.C. Gott, C. Loudon, J. Saguez, T. Simonsen, J. Van Den Berg, R. McDonnell, I. Ronai, L. Zhu, M. Siebert, F. Wessels, R. Hamm, L. Higgins, S. Thompson, R. Serikawa, N. Spomer, and J.L. Spencer. 2020. COVID-19: Reflections from Entomologists who rose to the occasion. Am. Entomol. 66: 34-41.

Darr, M, J. Hulcr, J. Eickwort, J. Smith, W. Hubbard, and D. Coyle. 2020. Meet them where they are: Facebook as an effective digital diagnostics tool for the natural resources. J. Extension 58(3): v58-3a5, 15 p.,

Gusto, C.G, J. Diaz, P. Carton de Grammont, D. Coyle, and C. Silvert. 2020. Identifying forest health gaps: A needs assessment of forest health extension education. J. Extension 58(1): v58-1rb3, 15 p.,

Faccoli, M., D. Gallego, M. Branco, E. Brockerhoff, J. Corley, D.R. Coyle, B.P. Hurley, H. Jactel, F. Lakatos, V. Lantschner, S. Lawson, G. Martínez, D.F. GómezG, D. Avtzis. 2020. A first worldwide multispecies survey of invasive Mediterranean pine bark beetles (Coleoptera: Curculionidae, Scolytinae). Biol. Invasions: 22: 1785-1799.

Silva, A., B.F. Barnes, D.R. Coyle, E.F. Abernethy, K.L. Turner, O.E. Rhodes, J.C. Beasley, and K.J.K. Gandhi. 2020. Effects of industrial disturbances on biodiversity of carrion-associated beetles. Sci. Total Environ. 709: 135158, 10 p,

Coyle, D.R., B.F. Barnes, K.D. Klepzig, F.H. Koch, L.A. Morris, J.T. Nowak, W.J. Otrosina, W.D. Smith, K.J.K. Gandhi. 2020. Abiotic and biotic factors affecting loblolly pine health in the southeastern U.S. For. Sci. 66: 145-156.

Gott, R.C. and D.R. Coyle. 2019. The human factor is a critical element for successful integrated pest management adoption. J. Integr. Pest Manage. 10: 1-5,

Avtzis, D.N., G. Melika, D. Matosevic, and D.R. Coyle. 2019. The Asian chestnut gall wasp Dryocosmus kuriphilus: a global invader and a successful case of classical biological control. J. Pest Sci. 92: 107-115.

Denham, S.O.G, D.R. Coyle, A.C. Oishi, B.P. Bullock, K. Heliovaara, and K.A. Novick. 2019. Tree resin flow dynamics during an experimentally induced attack by Ips avulsus, I. calligraphus, and I. grandicollis. Can. J. For. Res. 49: 53-63.

Perry, K.I., D.A. Herms, W.S. Klooster, A. Smith, D.M. Hartzler, D.R. Coyle, and K.J.K. Gandhi. 2018. Downed coarse woody debris dynamics in ash (Fraxinus spp.) stands invaded by emerald ash borer (Agrilus planipennis Fairmaire). Forests: 9: 191;

Schultz, A.N., A.M. Mech, M.M. Cram, C. Asaro, D.R. Coyle, R.D. Lucardi, S. Lucas, and K.J.K. Gandhi. 2018. Association of Caliciopsis pinea Peck and Matsucoccus macrocicatrices Richards with eastern white pine (Pinus strobus L.) seedling dieback. For. Ecol. Manage.: 423: 70-83.

Schultz, A.N., A.M. Mech, C. Asaro, D.R. Coyle, M.M. Cram, R.D. Lucardi, and K.J.K. Gandhi. 2018. Assessment of abiotic and biotic factors associated with eastern white pine (Pinus strobus L.) dieback in the Southern Appalachian Mountains. For. Ecol. Manage.: 423: 59-69.

Avtzis, D.N., D.R. Coyle, V. Christopoulous, and A. Roques. 2017. Biological invasions, national borders, and the current state of non-native insect species in Greece and the neighboring Balkan countries. Bull. Insectol. 70: 161-169.

Coyle, D.R., U.J. Nagendra, M.K. Taylor, J.H. Campbell, C.E. Cunard, A.H. Joslin, A. Mundepi, C.A. Phillips, and M.A. Callaham, Jr. 2017. Soil fauna responses to natural disturbances, invasive species, and global climate change: Current state of the science and a call to action. Soil Biol. Biochem. 110: 116-133.

Helbig, C.E., D.R. Coyle, K.D. Klepzig, J.T. Nowak, and K.J.K. Gandhi. 2016. Colonization dynamics of subcortical insects on forest sites with relatively stressed and unstressed loblolly pine trees. J. Econ. Entomol. 109: 1729-1740.

Coyle, D.R., G.T. Green, B.F. Barnes, K.D. Klepzig, J.T. Nowak, and K.J.K. Gandhi. 2016. Landowner and manager awareness and perceptions of pine health issues and southern pine management activities in the southeastern U.S. J. For. 114: 541-551.

Zalesny, R.S. Jr., J.A. Stanturf, E.S. Gardiner, G.S. Bañuelos, R.A. Hallett, A. Hass, C.M. Stange, J.H. Perdue, T.M. Young, D.R. Coyle, and W.L. Headlee. 2016. Environmental technologies of woody crop production systems. Bioenerg. Res. 9: 492-506.

Zalesny, R.S. Jr., J.A. Stanturf, E.S. Gardiner, J.H. Perdue, T.M. Young, D.R. Coyle, W.L. Headlee, G.S. Bañuelos, and A. Hass. 2016. Ecosystem services of woody crop production systems. Bioenerg. Res. 9: 465-491.

Coyle, D.R., D.P. Aubrey, and M.D. Coleman. 2016. Growth responses of narrow or broad site adapted tree species to a range of resource availability treatments after a full harvest rotation. For. Ecol. Manage. 362: 107-119.

Pfammatter, J.A., D.R. Coyle, K.J.K. Gandhi, N. Hernandez, R.W. Hofstetter, J.C. Moser, and K.F. Raffa. 2016. Structure of phoretic mite assemblages across subcortical beetle species at a regional scale. Environ. Entomol. 45: 53-65.

Coyle, D.R., K.D. Klepzig, F.H. Koch, L.A. Morris, J.T. Nowak, S.W. Oak, W.J. Otrosina, W.D. Smith, and K.J.K. Gandhi. 2015. A review of southern pine decline in North America. For. Ecol. Manage. 349: 134-148.

Nowak, J.T., J.R. Meeker, D.R. Coyle, C.A. Steiner, and C. Brownie. 2015. Southern pine beetle infestations in relation to forest stand conditions, previous thinning, and prescribed burning: Evaluation of the Southern Pine Beetle Prevention Program. J. For. 113: 454-462.

Coyle, D.R., C.L. Brissey, and K.J.K. Gandhi. 2015. Species characterization and responses of subcortical insects to trap-logs and ethanol in a hardwood biomass plantation. Agric. For. Entomol. 17: 258-269.

Lee, X., D.R. Coyle, D. Johnson, M.W. Murphy, M.A. McGeehin, R.J. Murphy, K.F. Raffa, and S.M. Paskewitz. 2014. Prevalence of Borrelia burgdorferi and Anaplasma phagocytophilum in Ixodes scapularis (Acari: Ixodidae) nymphs collected in managed red pine forests in Wisconsin. J. Med. Entomol. 51: 694-701.

Coyle, D.R., W.J. Mattson, A.L. Friend, and K.F. Raffa. 2014. Effects of an invasive herbivore at the single plant scale do not extend to population-scale seedling dynamics. Can. J. For. Res. 44: 8-16.

Mech, A.M., C. Asaro, M.M. Cram, D.R. Coyle, P.J. Gullan, L.G. Cook, and K.J.K. Gandhi. 2013. Matsucoccus macrocicatrices (Hemiptera: Matsucoccidae): first report, distribution, and association with symptomatic eastern white pine in the southeastern United States. J. Econ. Entomol. 106: 2391-2398.

Coyle, D.R., J. Pickering, K.A. Dyer, F.R. Lehman, J.A. Mohan, and K.J.K. Gandhi. 2013. Dynamics of an unprecedented outbreak of two native moth species, Cissusa spadix and Phoberia atomaris (Lepidoptera: Noctuidae), on southern oak trees (Quercus spp.) in the southeastern United States. Am. Entomol. 59: 82-94.

Coyle, D.R., D.P. Aubrey, J.P. Siry, R.R. Volfovicz-Leon, and M.D. Coleman. 2013. Optimal nitrogen application rates for three intensively-managed hardwood tree species in the southeastern USA. For. Ecol. Manage. 303: 131-142.

Coyle, D.R., M.W. Murphy, S.M. Paskewitz, J.L. Orrock, X. Lee, R.J. Murphy, M.A. McGeehin, and K.F. Raffa. 2013. Belowground herbivory initiates a cascade that increases abundance of Lyme disease vectors. For. Ecol. Manage. 302: 354-362.

Kaczmarek, D.J., D.R. Coyle, and M.D. Coleman. 2013. Survival and growth of a range of Populus clones in central South Carolina USA through age ten: Do early assessments reflect longer-term survival and growth trends? Biomass Bioenergy 49: 260-272.

Zalesny, R.S. Jr., D.M. Donner, D.R. Coyle, and W.L. Headlee. 2012. An approach for siting poplar energy production systems to increase productivity and associated ecosystem services. For. Ecol. Manage. 284: 45-58.

Coyle, D.R. and K.J.K. Gandhi. 2012. The ecology, behavior, and biological control potential of hymenopteran parasitoids of woodwasps (Hymenoptera: Siricidae) in North America. Environ. Entomol. 41: 731-749. (Invited Review).

Coyle, D.R., W.J. Mattson, M.S. Jordan, and K.F. Raffa. 2012. Variable host phenology does not pose a barrier to invasive weevils in a northern hardwood forest. Agric. For. Entomol. 14: 276-285.

Coyle, D.R., J.A. Pfammatter, A.M. Journey, T.L. Pahs, V.J. Cervenka, and R.L. Koch. 2012. Community composition and phenology of native Siricidae (Hymenoptera) attracted to semiochemicals in Minnesota. Environ. Entomol. 41: 91-97.

Aubrey, D.P. G, D.R. Coyle, and M.D. Coleman. 2012. Functional groups show distinct differences in nitrogen cycling during early stand development: implications for forest management. Plant Soil 351: 219-236.

Pfammatter, J.A., D.R. Coyle, A.M. Journey, T.L. Pahs, J.C. Luhman, V.J. Cervenka, and R.L. Koch. 2011. Bark beetle (Coletoptera: Curculionidae: Scolytinae) community structure in northeastern and central Minnesota. Great Lakes Entomol. 44: 163-176.

Orrock, J.L., G.R. Curler, B.J. Danielson, and D.R. Coyle. 2011. Large-scale experimental landscapes reveal distinctive effects of patch geometry and connectivity on arthropod communities. Landsc. Ecol. 26: 1361-1372.

Coyle, D.R., J.A. Zalesny, R.S. Zalesny, Jr., and A. Wiese. 2011. Irrigating poplar energy crops with landfill leachate negatively affects soil micro- and meso-fauna. Internat. J. Phytoremed. 13: 845-858.

Coyle, D.R., J.G. Duman, and K.F. Raffa. 2011. Temporal and species variation in cold hardiness among invasive rhizophagous weevils (Coleoptera: Curculionidae) in a northern hardwood forest. Ann. Entomol. Soc. Am. 104: 59-67.

Coyle, D.R., A.A. Allred, K.R. Kosola, and K.F. Raffa. 2011. Altered GAI activity of hybrid aspen has minimal effects on the performance of a polyphagous weevil, Polydrusus sericeus. Entomol. Exp. Appl. 138: 104-109.

Coyle, D.R., K.E. Clark, K.F. Raffa, and S.N. Johnson. 2011. Prior host feeding experience influences ovipositional but not feeding preference in a polyphagous insect herbivore. Entomol. Exp. Appl. 138: 137-145.

Coyle, D.R., M.S. Jordan, and K.F. Raffa. 2010. Host plant phenology affects performance of an invasive weevil, Phyllobius oblongus (Coleoptera: Curculionidae), in a northern hardwood forest. Environ. Entomol. 39: 1539-1544.

Coyle, D.R., W.J. Mattson, and K.F. Raffa. 2010. Laboratory performance of two polyphagous invasive weevils on the predominant woody plant species of a northern hardwood community. Environ. Entomol. 39: 1242-1248.

Hillstrom, M.L., L.M. Vigue, D.R. Coyle, K.F. Raffa, and R.L. Lindroth. 2010. Performance of the invasive weevil Polydrusus sericeus is influenced by atmospheric CO2 and host species. Agric. For. Entomol. 12: 285-292.

Coyle, D.R., D.A. Aubrey, and J. Bentz. 2010. Erythroneura lawsoni (Homoptera: Cicadellidae) abundance and feeding injury levels are influenced by foliar nutrient status in intensively managed American sycamore. Agric. For. Entomol. 12: 89-97.

Zalesny, J.A., R.S. Zalesny Jr., D.R. Coyle, R.B. Hall, E.O. Bauer. 2009. Clonal variation in morphology of Populus root systems following irrigation with landfill leachate or water during 2 years of establishment. BioEnergy Res. 2: 134-143.

Coyle, D.R., M.D. Coleman, and D.P. Aubrey. 2008. Above and belowground biomass accumulation, production, and distribution of sweetgum and loblolly pine grown with irrigation and fertilization. Can. J. For. Res. 38: 1335-1348.

Coyle, D.R., E.R. Hart, J.D. McMillin, L.C. Rule, and R.B. Hall. 2008. Effects of repeated cottonwood leaf beetle defoliation on Populus growth and economic value over an 8-year harvest rotation. For. Ecol. Manage. 255: 3365-3373.

Aubrey, D.A. G, M.D. Coleman, and D.R. Coyle. 2007. Ice damage in loblolly pine: understanding the factors that influence susceptibility. For. Sci. 53: 580-589.

Zalesny, J.A., R.S. Zalesny, D.R. Coyle, and R.B. Hall. 2007. Growth and biomass of Populus irrigated with landfill leachate. For. Ecol. Manage. 248: 143-152.

Balser, T.C., K.D. McMahon, D. Bart, D. Bronson, D.R. Coyle, N. Craig, M. Flores-Mangual, K. Forshay, S.E. Jones, A.E. Kent, and A.L. Shade. 2006. Bridging the gap between micro- and macro-scale perspectives on the role of microbial communities in global change ecology. Plant Soil 289: 59-70.

Coyle, D.R., M.D. Coleman, J.A. Durant, and L.A. Newman. 2006. Multiple factors affect pest and disease damage on 31 Populus clones in South Carolina. Biomass Bioenergy 30: 759-768.

Coyle, D.R., M.D. Coleman, J.A. Durant, and L.A. Newman. 2006. Survival and growth of 31 Populus clones in South Carolina. Biomass Bioenergy 30: 750-758.

Coyle, D.R., D.C. Booth, and M.S. Wallace. 2005. Ambrosia beetle (Coleoptera: Scolytidae) species, flight, and attack on living eastern cottonwoods. J. Econ. Entomol. 99: 2049-2057.

Coyle, D.R. and M.D. Coleman. 2005. Forest production responses to irrigation and fertilization are not explained by shifts in allocation. For. Ecol. Manage. 208: 137-152.

Allen, C.B.G, R.E. Will, R.C. McGarvey, D.R. Coyle, and M.D. Coleman. 2005. Radiation-use efficiency and gas exchange responses to water and nutrient availability in irrigated and fertilized stands of sweetgum and sycamore. Tree Physiol. 25: 191-200.

Coyle, D.R., T.E. Nebeker, E.R. Hart, and W.J. Mattson, Jr. 2005. Biology and management of insect pests in North American intensively-managed hardwood forest systems. Annu. Rev. Entomol. 50: 1-29.

Coyle, D.R. and J.W. Amrine, Jr. 2004. New collection records and host range of the cottonwood leafcurl mite, Tetra lobulifera (Keifer) (Acari: Eriophyidae), in the USA. Internat. J. Acarol. 30: 3-8.

Coyle, D.R., J.T. Nowak, and C.J. Fettig. 2003. Irrigation and fertilization effects on Nantucket pine tip moth (Lepidoptera: Tortricidae) damage levels and pupal weight in an intensively-managed pine plantation. J. Entomol. Sci. 38: 621-630.

Coyle, D.R., J.D. McMillin, R.B. Hall, and E.R. Hart. 2003. Effects of cottonwood leaf beetle (Coleoptera: Chrysomelidae) larval defoliation, clone, and season on Populus foliar phagostimulants. Environ. Entomol. 32: 452-462.

Coyle, D.R. 2002. Effects of clone, silvicultural, and miticide treatments on cottonwood leafcurl mite (Acari: Eriophyidae) damage in plantation Populus. Environ. Entomol. 31: 1000-1008.

Coyle, D.R., J.D. McMillin, R.B. Hall, and E.R. Hart. 2002. Cottonwood leaf beetle (Coleoptera: Chrysomelidae) defoliation impact on Populus growth and above-ground volume in a short-rotation woody crop plantation. Agric. For. Entomol. 4: 293-300.

Coyle, D.R., J.D. McMillin, R.B. Hall, and E.R. Hart. 2001. Cottonwood leaf beetle (Coleoptera: Chrysomelidae) larval performance on eight Populus clones. Environ. Entomol. 30: 748-756.

Coyle, D.R., J.D. McMillin, S.C. Krause, and E.R. Hart. 2000. Laboratory and field evaluations of Novodor and Raven for control of cottonwood leaf beetle (Coleoptera: Chrysomelidae). J. Econ. Entomol. 93: 713-720.

Coyle, D.R., J.D. McMillin, and E.R. Hart. 1999. Pupal and adult parameters as potential indicators of cottonwood leaf beetle (Coleoptera: Chrysomelidae) fecundity and longevity. Great Lakes Entomol. 32: 107-113.

Coyle, D.R. and K.J. Larsen. 1998. Carrion beetles (Coleoptera: Silphidae) of northeastern Iowa: A comparison of baits for sampling. J. Iowa Acad. Sci. 105: 161-164.


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