Stem borer (cf. Lepidoptera: Noctuidae) in Potentilla
| Record no.: | 0410 |
|---|---|
| Feeding guild: | Stem borer |
| Taxonomy: | cf. Lepidoptera: Noctuidae: Papaipema sp. |
| Stages observed: | trace |
| Hosts in Potentilla: | P. norvegica (rough cinquefoil) |
I found a wilting individual of the hostplant in my yard in 2023. Dissecting the stem revealed extensive tunneling inside. The characteristics of the plant damage strongly suggested the culprit was a Papaipema, but I was unable to confirm this because the larva was no longer present.
Page created: February 13, 2026. Last update: none