CORN PEST is a term used to describe various insects that can cause damage to corn crops. The crossword solutions for this term include APHID (5 letters), GNAT (4 letters), ANT (3 letters), FLEA (4 letters), and BORER (5 letters). Aphids are small, soft-bodied insects that feed on the sap of plants, while gnats are small, winged insects that feed on plant nectar and other organic matter. Ants are social insects that live in colonies and feed on a variety of food sources. Fleas are small, wingless insects that feed on the blood of mammals and birds. Borers are insects that tunnel into woody plants and can cause significant damage to corn crops.