For the past few years, growers and researchers in Ohio have been concerned about the arrival of the swede midge, a pest that's already been found in the Northeast and Canada.
Traps in 2008 did not pick up the pest, but one in 2009 did.
The pest attacks Brassica vegetables, including cabbage, as well as canola.
Larvae damage the growing points of plants, causing deformation of stems, swollen or crinkled young leaves and scarring.
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