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Journal Article
E. W. Hodgson, Koch, R. L., and Ragsdale, D. W., Pan trapping for soybean aphid (Homoptera: Aphididae) in Minnesota soybean fields, Journal of Entomological Science, vol. 40, no. 4, p. 409, 2005.
E. W. Hodgson, McCornack, B. P., Koch, K. A., Ragsdale, D. W., Johnson, K. D., O'Neal, M. E., Cullen, E. M., Kraiss, H. J., DiFonzo, C. D., and Behnken, L. M., Field validation of speed scouting for soybean aphid, Crop Management, vol. 6, no. 1, pp. 0-0, 2007.
E. W. Hodgson, Burkness, E. C., Hutchison, W. D., and Ragsdale, D. W., Enumerative and binomial sequential sampling plans for soybean aphid (Homoptera: Aphididae) in soybean, Journal of economic entomology, vol. 97, no. 6, pp. 2127-2136, 2004.
D. W. Ragsdale, McCornack, B. P., Venette, R. C., Potter, B. D., MacRae, I. V., Hodgson, E. W., O'Neal, M. E., Johnson, K. D., O'Neil, R. J., and DiFonzo, C. D., Economic threshold for soybean aphid (Hemiptera: Aphididae), Journal of Economic Entomology, vol. 100, no. 4, pp. 1258-1267, 2007.
K. J. Tilmon, Hodgson, E. W., O'Neal, M. E., and Ragsdale, D. W., Biology of the soybean aphid, Aphis glycines (Hemiptera: Aphididae) in the United States, Journal of Integrated Pest Management, vol. 2, no. 2, pp. A1-A7, 2011.
E. W. Hodgson, Venette, R. C., Abrahamson, M., and Ragsdale, D. W., Alate production of soybean aphid (Homoptera: Aphididae) in Minnesota, Environmental Entomology, vol. 34, no. 6, pp. 1456-1463, 2005.