| |
Species |
Sweltsa lamba (Rheocrene Sallfly) |
Rheocrene Sallfly |
| |
Species |
Taenionema pacificum (Pacific Willowfly) |
Pacific Willowfly |
| |
Species |
Taenionema pallidum (Common Willowfly) |
Common Willowfly |
| |
Species |
Taenionema umatilla (Umatilla Willowfly) |
Umatilla Willowfly |
| |
Species |
Taeniopteryx nivalis (Boreal Willowfly) |
Boreal Willowfly |
| |
Species |
Triznaka pintada (Rough Sallfly) |
Rough Sallfly |
| |
Species |
Triznaka signata (Striped Sallfly) |
Striped Sallfly |
| |
Species |
Utacapnia distincta (Distinctive Snowfly) |
Distinctive Snowfly |
| |
Species |
Utacapnia lemoniana (Wasatch Snowfly) |
Wasatch Snowfly |
| |
Species |
Utacapnia nedia (Boise Snowfly) |
Boise Snowfly |
| |
Species |
Utacapnia trava (Yellowstone Stonefly) |
Yellowstone Stonefly, Yellowstone Snowfly |
| |
Species |
Utaperla sopladora (Black Sallfly) |
Black Sallfly |
| |
Species |
Visoka cataractae (Cataract Forestfly) |
Cataract Forestfly |
| |
Species |
Yoraperla brevis (Least Roachfly) |
Least Roachfly |
| |
Species |
Yoraperla mariana (Brown Roachfly) |
Brown Roachfly |
