| Main Ref. | Lambert, P., 2000 | ||
| Predator stage | adults | ||
| Food I | plants | ||
| Food II | other plants | ||
| Food III | benthic algae/weeds | ||
| Food group | Unspecified seaweeds | Prey Stage/Part | n.a./others |
| Food name | Unspecified seaweeds | ||
| Commonness | |||
| Country | Canada | ||
| Remark | Southern Alaska to British Columbia and Puget Sound. | ||