Traps set to contain ash borer

The exotic beetle can kill hundreds of ash trees.

The emerald ash borer is extremely difficult to detect. But now the Illinois Department of Agriculture will use 2,700 purple traps to help capture them.

The traps will be hung in trees in a 100-mile radius across central and northwestern Illinois. An additional 750 traps will be placed in the Chicago area and another 250 will be set up in southern Illinois.

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