alderfly

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English[edit]

An adult alderfly of the species Sialis lutaria

Etymology[edit]

alder +‎ fly

Pronunciation[edit]

Noun[edit]

alderfly (plural alderflies)

  1. A member of any one of the sixty-six species of the Sialidae family 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.

Synonyms[edit]

  • (megalopteran insect): orl fly (angling)

Translations[edit]

External links[edit]