| Megaloprepus | |
|---|---|
 | |
| Megaloprepus diaboli | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Clade: | Pancrustacea |
| Class: | Insecta |
| Order: | Odonata |
| Suborder: | Zygoptera |
| Family: | Coenagrionidae |
| Genus: | Megaloprepus Rambur, 1842 |
Megaloprepus is a genus of large Neotropical damselflies in the family Coenagrionidae, commonly known as helicopter damsels. There are four species distributed from Mexico to Ecuador and Peru.
Species include:
- Megaloprepus brevistigma Selys, 1860
- Megaloprepus caerulatus (Drury, 1782)
- Megaloprepus diaboli Feindt & Hadrys, 2022
- Megaloprepus latipennis Selys, 1860
