Soybean Aphid

By Dr. David W. Ragsdale
Professor of Entomology
University of Minnesota

Part 1: Biology in North America
Watch Presentation (20 min 14 sec)

for PC and Android


Part II: Economic Threshold and Economic Injury Level
Watch Presentation (26 min 02 sec)

for PC and Android




These presentations focus on two key areas of interest. The first presentation covers the biological aspects of the soybean aphid, including reproduction, feeding habits, and its effects on soybean yield. The second presentation, "Soybean Aphid: Economic Threshold and Economic Injury Level" discusses the points at which soybean aphid population densities go from benign to costly.

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