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Corn rootworms are adaptive, changing to meet shifting production practices and technology. With the development of resistance to crop rotation, corn rootworms now pose a challenge for most corn growers. With higher yields, greater input costs, and tighter planting and harvesting schedules, corn growers have more outcome than ever riding on their corn rootworm management decisions. Technology offers a simple solution, transgenic corn resistant to corn rootworms, but debate swirls around the use of this technology, its impacts on corn rootworms populations, and the prospects of resistance. What is happening to corn rootworm populations? Are the risks of corn rootworm attack shifting? What does this mean for corn rootworm management decisions?