Crossword clues for the word: GREENFLY The word GREENFLY has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for GREENFLY Showing 1 to 6 of 6 results Clue(s) A pest on the golf course? Aphid commonly occurring as a pest on garden and crop plants Colorful crop pest Does it have a lot to learn about being a pest? Hasn’t it yet learned to steer clear of insect spray? Is it easy prey for the gardener with the pesticide?