the jointed feelers on each side of the mouth of some arthropods.

Pair of furry facial appendages to clean and protect the proboscis

Jointed appendages to some of the organs of the mouth in insects and Crustacea. 148

pl. of Palpus. (Zoöl.) See Palpus.

The sensory organs located on a butterfly's face.

Are structures found between the eyes of adult butterflies. Palpi are usually covered in scales and provide various means of cleaning the eyes.