Kansas State University


Extension Entomology


–by Dr. Jeff Whitworth

Western corn rootworm (WCR) larvae are voraciously feeding on corn roots (see fig 1) and thus continuing to grow and develop as seen in fig 2.  The WCR larva on the right, in this photo, was collected on 3 June 2020, while the ones on the left were collected from the same field on 17 June 2020.

Figure 1: WCR emerging from root (Cody Wyckoff)

Figure 2: WCR larvae (Cody Wyckoff)


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