| |
Species |
Isocapnia grandis (Giant Snowfly) |
Giant Snowfly |
| |
Species |
Isocapnia hyalita (Hyalite Snowfly) |
Hyalite Snowfly |
| |
Species |
Isocapnia integra (Alberta Snowfly) |
Alberta Snowfly, Headwaters Snowfly, A Stonefly |
| |
Species |
Isocapnia palousa (Palouse Snowfly) |
Palouse Snowfly |
| |
Species |
Isocapnia vedderensis (Vedder Snowfly) |
Vedder Snowfly |
| |
Species |
Isogenoides colubrinus (Blackfoot Springfly) |
Blackfoot Springfly |
| |
Species |
Isogenoides elongatus (Elongate Springfly) |
Elongate Springfly |
| |
Species |
Isogenoides frontalis (Hudsonian Springfly) |
Hudsonian Springfly |
| |
Species |
Isoperla bifurcata (Forked Stripetail) |
Forked Stripetail |
| |
Species |
Isoperla fulva (Western Stripetail) |
Western Stripetail |
| |
Species |
Isoperla fusca (Waterton Stripetail) |
Waterton Stripetail |
| |
Species |
Isoperla longiseta (Plains Stripetail) |
Plains Stripetail |
| |
Species |
Isoperla mormona (Mormon Stripetail) |
Mormon Stripetail |
| |
Species |
Isoperla petersoni (Springs Stripetail) |
Springs Stripetail |
| |
Species |
Isoperla phalerata (Rockies Stripetail) |
Rockies Stripetail |
