- Large, compound eyes that cover most of the head's surface
- Three simple eyes (ocelli) located on the top of the head, between the compound eyes
- A pair of antennae projecting forward from the head
- A mouthpart called a proboscis that is used for feeding
Thorax:
- Three body segments fused together
- Wings attached to the second and third thoracic segments
- A pair of halteres (small, club-shaped structures) attached to the third thoracic segment that help the fly balance
Abdomen:
- Five visible segments (there are actually 11 segments in total, but some are fused together)
- The end of the abdomen has a pair of cerci, which are small, tail-like appendages
Legs:
- Three pairs of legs, each with five segments (coxa, trochanter, femur, tibia, and tarsus)
- The last segment of each leg has a pair of claws that the fly uses to grasp surfaces