Western and northern corn rootworm beetles
The two most common rootworm species in Iowa�the western corn rootworm (left) and northern corn rootworm. (Marlin E. Rice)
This image appears in the following article:
Western and northern corn rootworm beetles
[1]
Source URL:
http://www.ipm.iastate.edu/ipm/icm//ipm/icm/node/346
Links:
[1] http://www.ipm.iastate.edu/ipm/icm/2006/3-13/variant.html
