Assertion: housefly | /r/HasAspect | one pair of wings
Facets:
value: like other diptera
type: OTHER
value: unlike some other species of flies
type: OTHER
Source sentences:
text: Unlike some other species of flies, the housefly has one pair of wings, but it is a strong flier and can travel several miles from its origin.
text: Like other Diptera, houseflies have only one pair of wings; what would be the hind pair is reduced to small halteres that aid in flight stability.