JAMB - Biology (1999 - No. 7)
The structure labeled III represents the
mandible
palp
proboscis
labium
คำอธิบาย
Two small, antenna-like feelers called maxillary palp allow the fly to taste its food.
The end portion of the proboscis, called the labellum, terminates in a spongy mouth, where the fly slurps its food.