Northern Corn Rootworm

Scientific name
Diabrotica barberi
Pest image (all)
Description

Northern corn rootworm adults are about ¼-inch long with pale green to yellow coloration. Damage is caused by larvae, which tunnel within corn roots and prune them as they feed. Severe damage causes the plants to “lodge” or lean over.

Source of information
J.P. Michaud (http://entomology.k-state.edu/extension/insect-information/crop-pests/corn/cornrootworm.html)
Pest photo source
http://entomology.k-state.edu/extension/insect-information/crop-pests/corn/