Question: I purchased onion sets from The Home Depot. When it rains, I have worms on the ground in my onion patch. They are not native to my location in northern Wisconsin, as nooone here knows what they are, and I am a Horticultural Specialist for store #4930. The worms are segmented and about four to six inches long. They are about 1 to 2 millimeters in length. On all the worms, the color is yellow,
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