: Harbor Buchnera aphidicola bacteria to synthesize essential amino acids absent in sap.
: Ants often "farm" aphids, protecting them from predators in exchange for sugary honeydew . aphididae
: Small (0.5–10 mm), pear-shaped, and available in various colors like green, black, or red. or red. : Targeted by ladybugs
: Targeted by ladybugs, lacewings, hoverfly larvae, and parasitic wasps. and parasitic wasps.