- Author: Michelle Leinfelder-Miles
- Author: Rachael Long
- Author: Rob Wilson
- Author: Ian Grettenberger
I have received a couple calls this year from growers and a PCA about root scarring in alfalfa fields. These observations were a bit of a “head scratcher” for all of us. At one of the fields, I noticed what looked to be a wireworm on the root, so that was throwing me off (Figure 1). Cutworms can also feed on plant roots. The larger instars have been found below the crowns under plant debris, but we didn't find any at this site. I reached out to Farm Advisor Rachael Long to get her thoughts. I had once heard Rachael talk about clover root curculio, and I wondered if it was causing the problem. While we have not confirmed that clover root curculio is present and causing damage in...