Aphid is a small INSECT that feeds on plants and is considered a PEST. GREENFLY, with 8 letters, is another name for aphid. LOUSE, with 5 letters, is a type of INSECT that feeds on the blood of mammals. PEST, with 4 letters, is an organism that causes damage to crops or other plants. LADYBUG, with 7 letters, is a type of beetle that eats aphids and other insects. ANT, with 3 letters, is a social INSECT that lives in colonies. APHIS, with 5 letters, is another name for aphid. SAP, with 3 letters, is the sweet liquid produced by plants that aphids feed on. Ants, with 4 letters, is the plural form of ANT. Lacewing, with 8 letters, is a type of INSECT that feeds on aphids. ROSE, with 4 letters, is a type of flower that can be affected by aphids. BLACKFLY, with 8 letters, is another name for aphid. INSECT, with 6 letters, is a type of arthropod that includes aphids.