alderfly

Noun

 * 1) A member of any one of the 66 species of the 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.
 * 2)  An artificial fly with brown mottled wings, body of peacock harl, and black legs.

Translations

 * Dutch:, slijkvlieg
 * Hungarian: vízifátyolka, recésfátyolka
 * Russian: вислокры́лка, сиали́да