- Oblong, rounded, and slightly flattened
- 5 mm to 10 mm (0.2 to 0.4 inches) in length
- Gray to black coloration with a slight metallic sheen
Head:
- Large, round, and mobile
- Compound eyes with prominent red or brown bands horizontally crossing them
- Three simple eyes (ocelli) located between the compound eyes
- Short, three-segmented antennae located between the eyes
- Mouthparts adapted for sponging and lapping up liquids
Thorax:
- Distinctly divided into three segments
- Dark gray to black in color, often with four longitudinal stripes
- Wings: Two pairs, transparent and membranous, with prominent longitudinal veins
- Halteres: A pair of small, club-shaped structures that aid in flight stability
- Six long, hairy legs with pads on their tips, allowing them to walk on various surfaces
Abdomen:
- The largest and most visible part of the body
- Segmented and covered with fine hair
- Yellowish to grayish in color, sometimes with darker spots or bands
Overall Appearance:
House flies have a characteristic body structure, with large compound eyes, a prominent head, and two pairs of wings. Their body coloration can vary, ranging from light gray to almost black, with distinct stripes or markings. They are common pests found in various domestic and outdoor environments.