Syr″phus fly′ (?). [NL. Syrphus, the generic name, fr. Gr. �, �, a kind of winged insect.] (Zoöl.) Any one of numerous species of dipterous flies of the genus Syrphus and allied genera. They are usually bright-colored, with yellow bands, and hover around plants. The larvæ feed upon plant lice, and are, therefore, very beneficial to agriculture.
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Webster's Dictionary 1913
Webster's Revised Unabridged Dictionary, C. & G. Merriam Co., 1913.