| Taxon |
Description |
| Namamyia |
A
genus within the Strong case maker family of Caddisflies |
| Nannothemis |
A
genus within the Skimmer family of Dragonflies |
| Nanocladius |
A
genus within the Midges family of (aquatic) True Flies |
| Narpus |
A
genus within the Riffle Beetle family of (aquatic) Beetles |
| Nasiaeschna |
A
genus within the Darner family of Dragonflies |
| Natarsia |
A
genus within the Midges family of (aquatic) True Flies |
| Naucoridae |
The
Creeping Water Bug family of Waterbugs |
| Neaviperla |
A
genus within the Green family of Stoneflies |
| Nectopsyche |
A
genus within the Longhorned case maker family of Caddisflies |
| Nehalennia |
A
genus within the Narrowwinged family of Damselflies |
| Nematocera |
The
Longhorned Flies suborder of (aquatic) True Flies |
| Nemotaulius |
A
genus within the Northern case maker family of Caddisflies |
| Nemotelus |
A
genus within the Aquatic Soldier Flies family of (aquatic) True Flies |
| Nemoura |
A
genus within the Spring Stoneflies family of Stoneflies |
| Nemouridae |
The
Spring Stoneflies family of Stoneflies |
| Neoclypeodytes |
A
genus within the Predaceous Diving Beetle family of (aquatic) Beetles |
| Neoephemeridae |
The
Large squaregill family of Mayflies |
| Neoneura |
A
genus within the Threadtail family of Damselflies |
| Neophylax |
A
genus within the Uenoidid case maker family of Caddisflies |
| Neothremma |
A
genus within the Uenoidid case maker family of Caddisflies |
| Neotrichia |
A
genus within the Purse case maker family of Caddisflies |
| Nepidae |
The
Water Scorpion family of Waterbugs |
| Nepticulidae |
The
Serpentine Moths (semiaquatic) family of Butterflies & Moths |
| Nerophilus |
A
genus within the Strong case maker family of Caddisflies |
| Neureclipsis |
A
genus within the Trumpetnet & tubemaking family of Caddisflies |
| Neurocordulia |
A
genus within the Emerald family of Dragonflies |
| Nilotanypus |
A
genus within the Midges family of (aquatic) True Flies |
| Nimbocera |
A
genus within the Midges family of (aquatic) True Flies |
| Nixe |
A
genus within the Flatheaded family of Mayflies |
| Noctuidae |
The
Noctuid Moths (semiaquatic) family of Butterflies & Moths |
| Noteridae |
The
Burrowing Water Beetle family of (aquatic) Beetles |
| Nothotrichia |
A
genus within the Purse case maker family of Caddisflies |
| Notonecta |
A
genus within the Backswimmer family of Waterbugs |
| Notonectidae |
The
Backswimmer family of Waterbugs |
| Nyctiophylax |
A
genus within the Trumpetnet & tubemaking family of Caddisflies |
| Nymphomyiidae |
The
Waternymph Flies family of (aquatic) True Flies |