Cowpea aphids on alfalfa
Cowpea aphids on alfalfa stems. (Marlin E. Rice)
This image appears in the following article:
Cowpea aphids on alfalfa
[1]
Source URL:
http://www.ipm.iastate.edu/ipm/icm//ipm/icm/node/402
Links:
[1] http://www.ipm.iastate.edu/ipm/icm/2006/4-24/aphids.html
