Via the St. Louis Post-Dispatch
The western corn rootworm appears to be a tough bug.
The pest is damaging crops this summer, despite farmers’ use of a Monsanto corn tailored to kill it.
The genetically modified corn, introduced by Monsanto in 2003, releases a protein that is generally toxic to the pest. Though the western rootworm typically doesn’t show up until later in the summer, it has already damaged crops in Illinois.