Publications (Clicking on the reprint icon will take you to the publication reprint.)

Soybean aphid injury effects on shoot N components in Glycine max - (Peer Reviewed Journal)

Riedell, W.E., Beckendorf, E.A., Catangui, M.A. 2013. Soybean aphid injury effects on shoot N components in Glycine max. Crop Science. 53:232-239. doi: 10.2135/cropsci2012.05.0286.

Ladybugs of Maine - (Experiment Station)

Alyokhin, A., Donahue, C., Majka, C., Chandler, D., Hanley, G., Molengraaf, T., Beckendorf, E.A., Hesler, L.S. 2011. Ladybugs of Maine. Poster; Maine Ag & Forestry Experiment Station series.

Ladybugs of South Dakota, 2nd edition - (Experiment Station)

Hesler, L.S., Catangui, M.A., Beckendorf, E.A., Molengraaf, T.L., Hanley, G.A., Kiekchefer, R.W. 2010. Ladybugs of South Dakota, 2nd edition. South Dakota Ag Experiment Station publication ES365.

Developing Metrics for Managing Soybean Aphids - (Review Article)

Catangui, M.A., Beckendorf, E.A., Riedell, W.E. 2010. Developing Metrics for Managing Soybean Aphids. Crops and Soils. 43:21-30.

Reply to: Comment on “Soybean Aphid Population Dynamics, Soybean Yield Loss, and Development of Stage-Specific Economic Injury Levels” by M.A. Catangui, E.A. Beckendorf, and W.E. Riedell, Agron. J. 101:1080-1092 (2009) - (Other)

Catangui, M.A., Beckendorf, E.A., Riedell, W.E. 2009. Reply to: Comment on “Soybean Aphid Population Dynamics, Soybean Yield Loss, and Development of Stage-Specific Economic Injury Levels” by M.A. Catangui, E.A. Beckendorf, and W.E. Riedell, Agron. J. 101:1080-1092 (2009). Agronomy Journal. 102:56-58.

Ladybugs of South Dakota - (Experiment Station)

Hesler, L.S., Beckendorf, E.A., Hanley, G.A., Catangui, M.A., Kieckhefer, R. 2009. Ladybugs of South Dakota. Publication ES 365 (poster), South Dakota Agricultural Experiment Station.

Soybean Aphid Population Dynamics, Soybean Yield Loss and Development of Stage-Specific Economic Injury Levels - (Peer Reviewed Journal)

Catangui, M.A., Beckendorf, E.A., Riedell, W.E. 2009. Soybean Aphid Population Dynamics, Soybean Yield Loss, and Development of Stage-Specific Economic Injury Levels. Agronomy Journal. 101:1080-1092.

Dylan and Jamie and the Lost Ladybug Project - (Popular Publication)

Beckendorf, E.A., Massey, S. 2009. Dylan and Jamie and the Lost Ladybug Project. The Lost Ladybug Project. Available: www.lostladybug.org/learning.php.

Nitrogen Fixation, Ureide, and Nitrate Accumulation Responses to Soybean Aphid Injury in Glycine max - (Peer Reviewed Journal)

Riedell, W.E., Catangui, M.A., Beckendorf, E.A. 2009. Nitrogen Fixation, Ureide, and Nitrate Accumulation Responses to Soybean Aphid Injury in Glycine max. Journal of Plant Nutrition. 32:1674-1686.

Soybean Aphid Feeding Injury and Soybean Yield and Seed Composition - (Peer Reviewed Journal)

Beckendorf, E.A., M.A. Catangui, W.E. Riedell. 2008. Soybean Aphid Feeding Injury and Soybean Yield and Seed Composition. P. 17-21. In: B. Erickson (ed.) Crops and Soils, Summer 2008. www.agronomy.org.

Soybean Aphid Feeding Injury and Soybean Yield, Yield Components, and Seed Composition - (Peer Reviewed Journal)

Beckendorf, E.A., Catangui, M.A., Riedell, W.E. 2008. Soybean Aphid Feeding Injury and Soybean Yield, Yield Components, and Seed Composition. Agron. J. 100:237-246.

PRELIMINARY RESULTS OF CHINESE SOYBEAN APHID EXPERIMENTS - (Popular Publication)

RIEDELL, W.E., CATANGUI, M., BECKENDORF, E.A. PRELIMINARY RESULTS OF CHINESE SOYBEAN APHID EXPERIMENTS. South Dakota State University Extension Entomology website. 2003.