| Taxon |
Description |
| Hagenius |
A
genus within the Clubtail family of Dragonflies |
| Halesochila |
A
genus within the Northern case maker family of Caddisflies |
| Haliplidae |
The
Crawling Water Beetle family of (aquatic) Beetles |
| Haliplus |
A
genus within the Crawling Water Beetle family of (aquatic) Beetles |
| Haploperla |
A
genus within the Green family of Stoneflies |
| Harnischia |
A
genus within the Midges family of (aquatic) True Flies |
| Hayesomyia |
A
genus within the Midges family of (aquatic) True Flies |
| Hebridae |
The
Velvet Water Bug family of Waterbugs |
| Hedriodiscus |
A
genus within the Aquatic Soldier Flies family of (aquatic) True Flies |
| Heleniella |
A
genus within the Midges family of (aquatic) True Flies |
| Helichus |
A
genus within the Longtoed Water Beetle family of (aquatic) Beetles |
| Helicopsyche |
A
genus within the Snail case maker family of Caddisflies |
| Helicopsychidae |
The
Snail case maker family of Caddisflies |
| Helocordulia |
A
genus within the Emerald family of Dragonflies |
| Helodidae |
The
Marsh Beetle family of (aquatic) Beetles |
| Helopelopia |
A
genus within the Midges family of (aquatic) True Flies |
| Helophorus |
A
genus within the Water Scavenger Beetle family of (aquatic) Beetles |
| Hemerodromia |
A
genus within the Aquatic Dance Flies family of (aquatic) True Flies |
| Heptagenia |
A
genus within the Flatheaded family of Mayflies |
| Heptageniidae |
The
Flatheaded family of Mayflies |
| Hesperagrion |
A
genus within the Narrowwinged family of Damselflies |
| Hesperoconopa |
A
genus within the Crane Flies family of (aquatic) True Flies |
| Hesperocorixa |
A
genus within the Water Boatman family of Waterbugs |
| Hesperoperla |
A
genus within the Common family of Stoneflies |
| Hesperophylax |
A
genus within the Northern case maker family of Caddisflies |
| Hetaerina |
A
genus within the Broadwinged family of Damselflies |
| Heterelmis |
A
genus within the Riffle Beetle family of (aquatic) Beetles |
| Heterlimnius |
A
genus within the Riffle Beetle family of (aquatic) Beetles |
| Heterocloeon |
A
genus within the Small minnow family of Mayflies |
| Heteroplectron |
A
genus within the Comblipped case maker family of Caddisflies |
| Heteroptera |
The
order of True Bugs within New-winged Insects |
| Heterotanytarsus |
A
genus within the Midges family of (aquatic) True Flies |
| Hexagenia |
A
genus within the Common burrower family of Mayflies |
| Hexatoma |
A
genus within the Crane Flies family of (aquatic) True Flies |
| Himalopsyche |
A
genus within the Freeliving (no case) family of Caddisflies |
| Holorusia |
A
genus within the Crane Flies family of (aquatic) True Flies |
| Homophylax |
A
genus within the Northern case maker family of Caddisflies |
| Homoplectra |
A
genus within the Common net-spinner family of Caddisflies |
| Hyalella |
A
genus within the Hyalella Shrimp family of Amphipods |
| Hyalellidae |
The
Hyalella Shrimp family of Amphipods |
| Hydaticus |
A
genus within the Predaceous Diving Beetle family of (aquatic) Beetles |
| Hydatophylax |
A
genus within the Northern case maker family of Caddisflies |
| Hydraena |
A
genus within the Minute Moss Beetle family of (aquatic) Beetles |
| Hydraenidae |
The
Minute Moss Beetle family of (aquatic) Beetles |
| Hydrobaenus |
A
genus within the Midges family of (aquatic) True Flies |
| Hydrobius |
A
genus within the Water Scavenger Beetle family of (aquatic) Beetles |
| Hydrochus |
A
genus within the Water Scavenger Beetle family of (aquatic) Beetles |
| Hydrometra |
A
genus within the Marsh Treader family of Waterbugs |
| Hydrometridae |
The
Marsh Treader family of Waterbugs |
| Hydrophilidae |
The
Water Scavenger Beetle family of (aquatic) Beetles |
| Hydroporus |
A
genus within the Predaceous Diving Beetle family of (aquatic) Beetles |
| Hydropsyche |
A
genus within the Common net-spinner family of Caddisflies |
| Hydropsychidae |
The
Common net-spinner family of Caddisflies |
| Hydroptila |
A
genus within the Purse case maker family of Caddisflies |
| Hydroptilidae |
The
Purse case maker family of Caddisflies |
| Hydroscapha |
A
genus within the Skiff Beetle family of (aquatic) Beetles |
| Hydroscaphidae |
The
Skiff Beetle family of (aquatic) Beetles |
| Hydrotrupes |
A
genus within the Predaceous Diving Beetle family of (aquatic) Beetles |
| Hydrovatus |
A
genus within the Predaceous Diving Beetle family of (aquatic) Beetles |
| Hygrotus |
A
genus within the Predaceous Diving Beetle family of (aquatic) Beetles |