Soybean Aphid Resources

• The Soybean Aphid Webpage of the Plant Health Initiative and North Central Soybean Research Program
• Regional Pest Alert fact sheet: Soybean Aphid
• 2008 Soybean Aphid Research Update of the Plant Health Initiative and North Central Soybean Research Program
• Soybean Aphid Action Thresholds (University of Wisconsin)
• A Visual Guide to the Number of Soybean Aphids per Leaflet (University of Wisconsin)
• University of Minnesota Aphid Speed Scouting webpage
• Soybean Aphid Growth Estimator: The SAGE Model
• North Central IPM Center Soybean Aphid Page
• Soybean Aphid Biological Control (North Central Soybean Research Project)
• Information on the alternate host Common Buckthorn, Rhamnus cathartica (Plant Conservation Alliance)
• Soybean Plant Growth Stages (Plant Health Initiative)