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Aphid Home
NEW - Biological Control
Speed Scouting
Scouting Q & A
Scouting & Surveys
What is Soybean Aphid?
Life Cycle & Biology
Population Dynamics
Distribution
Management Options
Insecticides
Insecticide research
SAGE-Growth Estimator
USDA RAMP
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External Links:

NCSRP Plant Health Initiative - Aphid Page

North Central-Integrated Pest Management

Minnesota Department of Agriculture - Soybean Aphid Survey Results

Distribution in the U.S.

Soybean Aphid
Distribution in 2002


Map provided by Rob Venette

Approximately 62.5 of 75 million acres at risk

Soybean Aphid in Minnesota: Prognosis for 2002


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Click for larger image
  • Soybean aphid is now found statewide A significant portion of Minnesota may experience heavy aphid infestations
  • Get a hand lens (10X-20X) and learn as much as you can before next summer
  • Scout soybean in July during mid-vegetative stages through flowering
  • Look for soybean aphids under upper leaves or their signs (ladybird beetles, ants, cast skins, honeydew / mold)
  • Treat if aphids abundant on over 80% of the plants during seed set
  • Leave check strips to learn from
    your decision!

A Comparison of Outbreak and Non-outbreak Areas in 2001 and 2002

 

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URL: http://www.soybeans.umn.edu/crop/insects/aphid/aphid_distribution.htm

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