The term fly is commonly used for almost any small flying insect.

Flies have a mobile head, with a pair of large compound eyes. Most flies live an average of 21 days and take on various shapes throughout their short lives. The female housefly usually mates only once and stores the sperm for later use. The term fly is commonly used for almost any small flying insect. but their wing structures serve to distinguish them from true flies. Most people view flies as pests. Flies like to eat manure, which is animal poop, or old garbage. There are about 119,500 known species of flies and they make up the fourth largest insect order. House flies are the most famous of 300 000 species of flies. House fly can survive from 30 to 60 days. a female fly will lay anywhere from 400-600 eggs.

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