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 larvae feed upon plant lice, and are, therefore, very beneficial to agriculture.
Webster's Revised Unabridged Dictionary
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| MLA | Webster's. "syrphus fly" 28 May 2011. Web. 21 September 2026. <http://smartdefine.org/syrphus_fly/definitions/2069896> |