| 主要参考文献 | Litvak, M.K. and R.I.C. Hansell, 1990 | ||
| 掠食阶段 | adults | ||
| 食物一 | zoobenthos | ||
| 食物二 | insects | ||
| 食物三 | insects | ||
| 食物群 | Chironomidae | 捕食阶段/部份 | larvae |
| 食物名称 | unidentified chironomids | ||
| 普通 | 46 | very common (21-50%) | |
| 国家 | Canada | ||
| 附注 | Locality: Kelly Lake, Township, Ontario. Also Ref. 77047. | ||