Alderfly  (Sialis lutaria)

Facts

Kingdom Animalia
Phylum Arthropoda
Class Insecta
Order Neuroptera
Family Sialidae
Genus Sialis (1)
Size Length of larva: 17 mm (2)
Length of adult: 20 mm (3)
Adult wingspan: 22-34 mm (3)

Status

Common and widespread (1).