Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun alderfly

1 sense of alderfly

Sense 1
alderfly, alder fly, Sialis lutaria -- (dark-colored insect having predaceous aquatic larvae)
       => neuropteron, neuropteran, neuropterous insect -- (insect having biting mouthparts and four large membranous wings with netlike veins)