H
- Haltera
- Hemelytra
- Hemerobiidae
- Hemimetabola
- Hemiptera
- Hemisarcoptidae
- Hermaphrodism
- Heteromorphic
- Heteroptera
- Heterostigmata
- Hibernation
- Hindwings
- Histeridae
- Holocyclic
- Holokinetic
- Holometabola
- Homeomorphic
- Homoptera
- Honeydew
- Horn
- Host feeding
- Hymenoptera
- Hyperparasite
- Hypersensitivity
- Hyphae
- Hyphal bodies
- Hypopus
- Hysteronotum