fly

Definition

An insect of the order Diptera, characterized by having only one pair of wings used for flight, while the second pair is reduced to small structures known as halteres, which aid in balance.

Etymology

Old English 'flēoge,' from the verb 'flēogan' meaning 'to fly, soar, or float in the air'.

Example

The common house fly, Musca domestica, is often found in homes and can carry various pathogens.

Synonyms

• Dipteran
• Two-winged insect

Related Terms

• Halteres
• Diptera
• Antennae
• Larva
• Maggot

Usage Notes

Flies are a diverse order and include various species such as house flies, fruit flies, and horse flies. The term can also colloquially refer to any small flying insect.