Bug Scout 1980
Wireworm Control Outlined
(Tom Turpin, Entomologist, Purdue University)
Maybe the flag was a little farther that way!
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March 15, 1980

It's that time of year when corn farmers' thoughts turn to spring tillage, new hybrids, and even wireworms.

Wireworms, a traditional early-season soil pest of corn, are not as widespread as in past years.  This decline is due to reduced acreage of corn following grass or hay crops, favorite habitats of wireworms.

While the potential for wireworm damage is low on most cornfields, these soil pests can cause severe stand losses when present.

To decide if wireworm control is needed, bait the field prior to planting.  Wireworm baits consist of a cup of corn or wheat placed 6 in. deep in the soil.  Place baits in at least six locations per field.  Be sure to mark the bait location and in one to two weeks dig the baits from the soil and look for wireworms.  If any wireworms are found an insecticide treatment might be justified.

If you are unfortunate enough to have wireworms in your corn land, it's better to know it prior to planting than to find out when corn plants start to disappear.  

by Tom Turpin, Entomologist, Purdue University

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