| 主要參考文獻 | Magnan, P. and G.J. FitzGerald, 1984 | ||
| 掠食階段 | adults | ||
| 食物一 | zoobenthos | ||
| 食物二 | insects | ||
| 食物三 | insects | ||
| 食物群 | Diptera | 捕食階段/部份 | larvae |
| 食物名稱 | Chironomid larvae | ||
| 普通 | 6 | common (6-20%) | |
| 國家 | Canada | ||
| 附註 | Locality: Lake Aux Pièges, Saint Maurice Reserve, Québec, May to Aug. 1978, 1979, 1981. Also Ref. 41834. | ||