alderfly

Noun

al=der=fly

WORDNET DICTIONARY

alderfly(n = noun.animal) alder fly, sialis lutaria - dark-colored insect having predaceous aquatic larvae; Array

is a kind of neuropteran, neuropteron, neuropterous insect

is a member of genus sialis, sialis

alderfly,

Any of numerous dark-colored neuropterous insects of the genus Sialis or allied genera. They have predaceous aquatic larvæ, which are used for bait. [Webster 1913 Suppl.]
An artificial fly with brown mottled wings, body of peacock harl, and black legs. [Webster 1913 Suppl.]

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