| Taxon |
Description |
| Idianaphe |
A
genus within the Skimmer family of Dragonflies |
| Integripalpia |
The
Portable (tube) case maker suborder of Caddisflies |
| Ironodes |
A
genus within the Flatheaded family of Mayflies |
| Ironoquia |
A
genus within the Northern case maker family of Caddisflies |
| Ischnura |
A
genus within the Narrowwinged family of Damselflies |
| Isocapnia |
A
genus within the Slender Winter family of Stoneflies |
| Isogenoides |
A
genus within the Perlodid family of Stoneflies |
| Isonychia |
A
genus within the Bushlegged family of Mayflies |
| Isonychiidae |
The
Bushlegged family of Mayflies |
| Isoperla |
A
genus within the Perlodid family of Stoneflies |
| Ithytrichia |
A
genus within the Purse case maker family of Caddisflies |