Stem borer (Coleoptera: Mordellidae) in Calystegia
| Record no.: | 0111 |
|---|---|
| Feeding guild: | Stem borer |
| Taxonomy: | Coleoptera: Mordellidae |
| Stages observed: | trace, larva |
| Hosts in Calystegia: | C. sepium (hedge bindweed) |
I found the pale whitish larvae of this mordellid overwintering in dead stems of the host in winter, accompanied by brownish frass. The host plant was a convolvulaceous bindweed, tentatively identified as Calystegia sepium. I did not rear adults.
Page created: February 10, 2026. Last update: none