Publications
“Drought impact on crop production and the soil environment: 2012 experiences from Iowa”, Journal of Soil and Water Conservation, vol. 68, no. 1, p. 19A-24A, 2013.
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“Aphids in Corn Research”, 2011.
, “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.
, , , “Comment on “Soybean Aphid Population Dynamics, Soybean Yield Loss, and Development of Stage-Specific Economic Injury Levels” by MA Catangui, EA Beckendorf, and WE Riedell, Agron. J. 101: 1080–1092 (2009)”, Agronomy Journal, vol. 102, no. 1, pp. 55-59, 2010.
, “Probability of cost-effective management of soybean aphid (Hemiptera: Aphididae) in North America”, Journal of economic entomology, vol. 102, no. 6, pp. 2101-2108, 2009.
, “Economic threshold for soybean aphid (Hemiptera: Aphididae)”, Journal of Economic Entomology, vol. 100, no. 4, pp. 1258-1267, 2007.
, “Field validation of speed scouting for soybean aphid”, Crop Management, vol. 6, no. 1, pp. 0-0, 2007.
, “Soybean aphid and the challenge of integrating recommendations within an IPM system”, Proceedings: Illinois Crop Prot. Technol. Conf., Univ. of Illinois Coop. Ext., Champain-Urbana, IL, pp. 103-110, 2006.
, “Alate production of soybean aphid (Homoptera: Aphididae) in Minnesota”, Environmental Entomology, vol. 34, no. 6, pp. 1456-1463, 2005.
, “Pan trapping for soybean aphid (Homoptera: Aphididae) in Minnesota soybean fields”, Journal of Entomological Science, vol. 40, no. 4, p. 409, 2005.
, “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.
, “Spring colonization and summer migration of soybean aphid”, The 2003 ESA Annual Meeting and Exhibition, 2003.
, “Comparing spatial and temporal colonization of soybean aphid”, The 2002 ESA Annual Meeting and Exhibition, 2002.
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