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Extended Learning  |
| Corn rootworms adult or beetle emergence begins in July and continues for another month, with males emerging first (Nebraska dates). Adults crawl out of the ground and start feeding on corn as well. The adults feed on leaves, soft kernels, tassels, pollen and especially fresh corn silks. Adults feed on the corn and search for a mate. After they mate and eggs develop the females return to the soil to lay eggs. They crawl down cracks in the soil or burrows of other organisms such as earthworms. Most eggs are in the top eight inches of soil. The Western Corn rootworm however, can go as deep as 12 inches to lay eggs. |
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Corn Rootworm Life Cycle Activity
In this activity, drag the picture of the corn rootworm life-cycle stage (eggs, larva, pupa, and adult) to when (the season) and where (soil or the part of the plant) that you will typically find them.
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Extended Learning |