NEWS
Production Blog
Emily Unglesbee DTN Staff Reporter
Mon Aug 25, 2014 11:07 AM CDT

CHAMPAIGN, Ill. (DTN) -- University of Illinois entomologist Joe Spencer likes to boast that he has the highest concentration of western corn rootworms in the state in his university lab.

He's probably right. Great hordes of the tiny black and yellow beetles swarm and flutter inside more than a dozen aluminum cages in his lab, where Spencer encourages the beetles to produce enormous numbers of egg by fattening them on sweet corn.

These insects were swooped into Spencer's net in fields in northern Illinois this summer, where farmers found significant root damage on first-year Bt-corn hybrids in the summer of ...

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