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Meaning of corn-root aphid

corn'-root a"phid

Pronunciation: (kôrn'rt", -root"), [key]
  1. an aphid, Anuraphis maidiradicis, that lives as a symbiont in colonies of cornfield ants and feeds on the roots of corn: an agricultural pest.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.