Meaning of syrphid fly

syr'phid fly"

Pronunciation: (sûr'fus). [key]
  1. any of numerous beelike or wasplike flies of the family Syrphidae that feed on the nectar and pollen of flowers and have larvae that feed on decaying vegetation or prey on aphids.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.