| Winter scorpionflies | |
|---|---|
| |
| B. westwoodi female | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Mecoptera |
| Family: | Boreidae |
| Genus: | Boreus Latreille, 1816 |
Boreus is the most diverse of three genera of insects in the family Boreidae. They are commonly known as winter scorpionflies due to their close relation to the true scorpionflies and preference for cold habitats.