| Main Ref. | Maitland, P.S. and R.N. Campbell, 1992 | ||
| Predator stage | juv./adults | ||
| Food I | zoobenthos | ||
| Food II | insects | ||
| Food III | insects | ||
| Food group | Chironomidae | Prey Stage/Part | larvae |
| Food name | midge | ||
| Commonness | 80.5 | dominant ( > 50%) | |
| Country | UK Engld Wal | ||
| Remark | Locality: River Tweed, Scotland; River Lugg and Frome, England. Also Ref. 32911. | ||