
Soybean aphids will colonize the upper stem and newly developing leaves on soybeans. (Marlin E. Rice)

Soybean aphids will colonize the upper stem and newly developing leaves on soybeans. (Marlin E. Rice)
Links:
[1] http://www.ipm.iastate.edu/ipm/icm/node/56
[2] http://www.ipm.iastate.edu/ipm/icm/2006/6-19/soybeanaphid.html