Damage caused by Diabrotica Rootworms, graded on a scale of one to six: No damage in roots shown at far right to severe damage at far left. (Image courtesy of Bruce Hibbard).

Pictures of adult forms of three species of the Diabrotica Rootworm.

Diabrotica Rootworm larvae, Diabrotica virgifera ; the appearance of Diabrotica barberi, is similar (Image courtesy of Bruce Hibbard).

1 (No damage) to 6 (Severe damage) - Damage caused by Diabrotica Rootworms, graded on a scale of one to six.