Flexi Says: Butterflies have a pair of antennae for “smelling” and “tasting” chemicals. Some butterfly antennas are also adapted to detect motion and help with balance. Other sensory organs include compound eyes let insects see in many directions at once. Butterfly eyes also detect color and ultraviolet light. Butterflies mouths include a tube-like proboscis for drinking nectar. Butterflies have two pairs of wings that they use for flight. Butterfly wings are paper-thin, and often have bright patterns. Butterflies can also use their wings to communicate visually with other insects.