Drusus improvisus
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Trichoptera
- family: Limnephilidae
- genus: Drusus
- species: Drusus improvisus
Fano Adriano
Roseto degli Abruzzi
AbruzzoCittareale
LatiumJesi
The MarchesAssisi
Bettona
San Giustino
Umbria
Italy