noun, plural green·flies.

an aphid, Coloradoa rufomaculata, that is an important pest of chrysanthemums.

Origin of greenfly

First recorded in 1680–90; green + fly2
Also called pale chrysanthemum aphid. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for greenfly

Historical Examples of greenfly

British Dictionary definitions for greenfly


noun plural -flies

a greenish aphid commonly occurring as a pest on garden and crop plants
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012