
A large colony of soybean aphids often includes white, shed skins and brownish carcasses killed by fungal pathogens. (Marlin E. Rice)

A large colony of soybean aphids often includes white, shed skins and brownish carcasses killed by fungal pathogens. (Marlin E. Rice)
Links:
[1] http://www.ipm.iastate.edu/ipm/icm/node/72
[2] http://www.ipm.iastate.edu/ipm/icm/2006/1-23/wrapup.html