alderfly
nounUK /ˈɔːl.də.flaɪ/
Etymology From alder + fly.
1
A member of any one of the 66 species of the family Sialidae of megalopteran insects, each specimen of which has a body length not exceeding one inch and possesses long filamentous antennae and four large dark wings.
2
Fishing, Hobbies, Lifestyle An artificial fly with brown mottled wings, body of peacock harl, and black legs.
- Synonyms
- orl fly