Ian MacRae

Ian MacRae in a field
Professor, Department of Entomology
Extension Entomologist
[email protected]
218-281-8611
210 Ag Research Center

2900 University Ave
Crookston, MN 56716
United States

Pest Management
Education
  • Ph.D. - Entomology, Oregon State University (1994
  • M.S. - Biology, University of Victoria (1988)
  • B.S. - Biology, University of Prince Edward Island (1980)

Areas of Interest

  • Spatial & temporal distribution and population dynamics of insects, especially in potatoes, small grains, sugarbeet
  • Remote sensing and digital mapping of insect populations
  • Spatial aspects of pesticide resistance.

Teaching

  • Agro 2573 (PIM2573) / NATR 2573 (UMCrookston): Introductory & Applied Entomology (3cr) 1997-present
  • NATR 3496 (UMCrookston): Special Topics in Conservation Biology – Invasion Biology 2010.
  • NATR 3496 (UMCrookston): Special Topics in Conservation Biology – Effect of Climate Change on Aspen Parkland 2009.
  • NATR 3804 (UMCrookston): Special Topics in Conservation Biology – Invasive Species 2008.
  • ENTO 5920: Digital Mapping & Analysis of Populations. 2000

Select Publications

Selected Publications Since 2000

  • MacRae, I., T. Baker, and A. Thompson. 2021. Notes on UAS and Remote Sensing of Insect Damage. American Journal of Potato Research, 98(1):16-23..
  • Middleton, E.G., I.V. MacRae and C.R Philips. 2021. Floral plantings in large-scale commercial agroecosystems support both pollinators and arthropod predators. Insects 12(2): 91. https://doi.org/10.3390/insects12020091
  • Middleton, E.G. and MacRae, I.V., 2021. Wildflower plantings in commercial agroecosystems
  • Menger, J., Beauzay, P., Chirumamilla, A., Dierks, C., Gavloski, J., Glogoza, P., Hamilton, K., Hodgson, E.W., Knodel, J.J., MacRae, I.V. and Pezzini, D.T., 2020. Implementation of a Diagnostic-Concentration Bioassay for Detection of Susceptibility to Pyrethroids in Soybean Aphid (Hemiptera: Aphididae).  J. Econ Entomol 113(2): 932-939.
  • Marston, Z.P.D., T.M. Cira, E.W. Hodgson, J.F. Knight, I.V. MacRae, R.L. Koch. 2019.  Detection of stress induced by soybean aphid (Hemiptera: Aphididae) using multispectral imagery from unmanned aerial vehicles. J. Econ. Entomol. DOI: 10.1093/jee/toz306
  • Alves, T.M., R.D. Moon, I.V. MacRae, & R.L. Koch. 2019. Optimizing band selection for spectral detection of Aphis glycines Matsumura in soybean. Pest Manag. Sci. 75(4):942-949.
  • Alves, T.M., Z.P. Marston, I.V. MacRae, R.L. Koch. 2017. Effects of foliar insecticides on leaf-level spectral reflectance of soybean. J. Econ. Entomol. 110(6): 2436-2442.
  • Hanson, A.A., J. Menger-Anderson, C. Silverstein, B.D. Potter, I.V. MacRae, E.W. Hodgson and R.L. Koch. 2017. Evidence for soybean aphid (Hemiptera: Aphididae) resistance to pyrethroid insecticides in the upper Midwestern United States. J. Econ. Entomol. 110(5): 2235-2246.
  • MacRae, I., R. Koch, , T. Alves,  Z. Marsten,  T. Baker, D. Gebre-Egziabher,  B. Taylor, C. Olson, C. Regan, and T. Hurley. 2016. The view from above: Unmanned aerial systems and remote scouting for insects. Crops and Soils, 49(3): pp.16-19.
  • Alves, T., I. MacRae and R.L. Koch. 2016.  Soybean aphid (Hemiptera: Aphididae) affects soybean spectral reflectance. Journal of Economic Entomology. J. Econ. Entomol. 108(6): 2655-2664.
  • Alves, T.M., I.V. MacRae, and R.L. Koch, 2015. Soybean aphid (Hemiptera: Aphididae) affects soybean spectral reflectance. J. Econom Entomol, 108(6):2655-2664.
  • Davis, J.A., E.B. Radcliffe, D.W. Ragsdale, and I. MacRae.  2015. Increasing in-row spacing enhances Potato Virus Y and Potato Leafroll Virus spread in potato. Amer. Journ. of Potato Res. 92 (4): 497-501 .
  • Huseth, A. S., Groves, R. L., Chapman, S. A., Alyokhin, A., Kuhar, T. P., MacRae, I. V., Z. Szendrei, & Nault, B. A. 2014. Managing Colorado Potato Beetle Insecticide Resistance: New Tools and Strategies for the Next Decade of Pest Control in Potato. Journal of Integrated Pest Management, 5(4): A1-A8.
  • Reynolds, G.J., Windels, C.E., I.V. MacRae, Laguette, S. 2012.  Remote Sensing for Assessing Rhizoctonia Crown and Root Rot Severity in Sugar Beet.  Plant Disease 96(4): 497-505.
  • Reynolds, G.J., I.V. MacRae, C.E. Windels, A. Sims, S. Laguette. 2011. Remote sensing for detection of Rhizoctonia crown and root rot in sugar beet fields. Phytopathology 101(6): S153.
  • Reynolds, G.J., C.E. Windels, I.V. MacRae, and S. Laguette.  2009.  Hyperspectral remote sensing for detection of Rhizoctonia crown and root rot in sugar beet.  Phytopathology 99(6): s108-s108.
  • Carroll, M.W., E.B. Radcliffe, I.V. MacRae, D.W. Ragsdale, K.D. Olson, and T. Badibanga. 2009.  Border treatment to reduce insecticide use in seed potato production: biological, economic, and managerial analysis. Am. J. Potato Res. 86: 31-37.
  • Hollingsworth, C. R., Atkinson, L. M., Samac, D. A., Larsen, J. E., Motteberg, C. D., Abrahamson, M. D., Glogoza, P., and MacRae, I. V. 2008. Region and field level distributions of aster yellows phytoplasma in small grain crops. Plant Dis. 92:623-630.
  • D. W. Ragsdale; B. P. McCornack; R. C. Venette; B. D. Potter; I. V. MacRae; E. W. Hodgson; M. E. O'Neal; K. D. Johnson; R. J. O'Neil; C. D. DiFonzo; T. E. Hunt; P. A. Glogoza; and E. M. Cullen.  2007.  Economic threshold for soybean aphid (Hemiptera: Aphididae).  J. Econ. Entomol. 100(4): 1258-1267.
  • Zhu, Min, E.B. Radcliffe, D. W. Ragsdale, I. V. MacRae, and M.W. Seeley.  2006.  Low-level jet streams associated with spring aphid migration and current season spread of potato viruses in the U.S. northern Great Plains. Agric. & Forest Meteor. 138(1/4): 192-202.
  • Hollingsworth, C., C. Motteberg, J. Machado, I. MacRae, and J. Wiersma. 2005. Evaluating tissue locations of small grain plants for detection of phytoplasma and determining aster yellows distribution in northwestern Minnesota. Phytopathology 95: 43.
  • Hodgson, E.W., I.V. MacRae, and G.J. Brewer. 2004.  Within-field distribution of the sunflower midge (Diptera: Cecidomyiidae).  Environ. Entomol.  33: 1037-1044.
  • Carroll, M. W., E. Radcliffe, I. MacRae, K. Olson, and D. Ragsdale. 2004. Site-specific management of green peach aphid, Myzus persicae (Sulzer), in seed potato. . Procs 7th Internat. Conf. on Precision Agric. & Precision Res. Mgmt. Minneapolis, MN, USA, 25-28 July, 2004. 1922-1928.
  • Olson, K., T. Badibanga, E. Radcliffe, M. Carroll, I. MacRae, and D. Ragsdale. 2004.  Economic analysis of using a border treatment for reducing organophosphate use in seed potato production. [Bull.] Staff Paper Series – Dept. Appl. Econ., Univ. of Minnesota, St Paul, MN. P04-8, 13.
  • MacRae, I.V. 2003.  Effect of within field topography on emergence of adult sugar beet root maggot, Tetanops myopaeformis (Roder) (Diptera: Otitidae). J. Sugar Beet Res. 40(3): 87-102.
  • Zhu, M., E.B. Radcliffe, D.W. Ragsdale and I.V. MacRae. 2002. The possible source areas and over-wintering hosts of green peach aphid, Myzus persicae, in the Red River Valley, pp. 249-251, In: 15th Conference on Biomet. & Aerobiol.- Amer. Meterol. Soc., Boston, MA.
  • Suranyi, R.A, I.V MacRae, D.W Ragsdale and E.B Radcliffe. 2000. Site-Specific Management of Green Peach Aphids in Seed Potatoes, In: Proc. 84th Annual Meeting of the Potato Association of America, 23`

Honors and Awards

  • Entomology Society of America, Plant-Insect Ecosystems Integrated Pest Management Team Award (presented to Soybean Aphid Resistance Management Team. 2018.)
  • University of Minnesota Extension Dean’s Award for Distinguished Team (Institute for Ag. Professionals), 2014.
  • Entomology Society of America, Outstanding Service, Subject Editor, J. Econ. Entomol. 2013.
  • Integrated Pest Management Team Award (presented to Soybean Aphid IPM Team – a multi-state research team award), Entomol. Soc. Am (ESA), 2009. 
  • Experiment Station Committee on Organization and Policy (ESCOP) Excellence in Multistate Research Award presented to S-1039: Biology, impact, and management of soybean insect pests in soybean production systems. ESCOP, 2009.
  • Lightspan's StudyWeb Academic Excellence Award. Best Educational Resources on the Web Award. (2000). Grasshoppers.