Sialidae
| Order | Megaloptera (Alderflies, Dobsonflies, and Fishflies) ▶ |
|---|---|
| Family | Sialidae (Modern and Ancestral Alderflies) ▶ |
| Genus | Sialis (Holarctic Alderflies) ▶ |
Delaware Water Gap National Recreation Area, NJ
May 27, 2012
| Order | Megaloptera (Alderflies, Dobsonflies, and Fishflies) ▶ |
|---|---|
| Family | Sialidae (Modern and Ancestral Alderflies) ▶ |
| Genus | Sialis (Holarctic Alderflies) ▶ |
Delaware Water Gap National Recreation Area, NJ
May 27, 2012