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United States Department of Agriculture

Agricultural Research Service

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Eric A Beckendorf
Integrated Cropping Systems Research
Biological Science Lab Technician (Insects)

Phone: (605) 693-5202
Fax: (605) 693-5240

NORTH CENTRAL AGRICULTURAL RESEARCH LABORATORY
2923 MEDARY AVENUE
BROOKINGS , SD 57006

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
The effect of flowering calendula and cuphea plants on Orius insidiosus survival and predation of Aphis glycines -
Nemec, K.T., Beckendorf, E.A., Hesler, L.S., Riedell, W.E., Lundgren, J.G. 2015. The effect of flowering calendula and cuphea plants on Orius insidiosus survival and predation of Aphis glycines. Biocontrol Science and Technology. 26: 12-22. doi: 10.1080/09583157.2015.1072130.
Relationships between soybean shoot nitrogen components and soybean aphid populations -
Riedell, W.E., Beckendorf, E.A., Catangui, M.A. 2013. Relationships between soybean shoot nitrogen components and soybean aphid populations. Arthropod-Plant Interactions. 7:667-676.
Soybean aphid injury effects on shoot N components in Glycine max -
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.
Method for continuously rearing Coccinella lady beetles (Coleoptera: Coccinellidae) -
Hesler, L.S., Mcnickle, G., Catangui, M.A., Losey, J.E., Beckendorf, E.A., Stallwag, L., Brandt, D.M., Bartlett, P.B. 2012. Method for continuously rearing Coccinella lady beetles (Coleoptera: Coccinellidae). The Open Entomology Journal. 37:M2.
Ladybugs of Maine -
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 -
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 -
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) -
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 Reprint Icon -
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 -
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 -
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 -
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 -
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 -
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 -
RIEDELL, W.E., CATANGUI, M., BECKENDORF, E.A. PRELIMINARY RESULTS OF CHINESE SOYBEAN APHID EXPERIMENTS. South Dakota State University Extension Entomology website. 2003.
Last Modified: 05/26/2017
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