What Does a Fly Eat?

The ordinary housefly can manage to find enough food to live on almost anywhere. This is because of its tiny size and weight. A thousand adult flies weigh only about 25 to 30 grams.

Houseflies do not eat solid food, because they have no equipment for biting. The mouth parts of the fly’s “tongue” is really a snout like the elephant’s trunk.

It has two lobes at the end which act as funnels for drawing in its liquid food. When a fly lans on a lump of sugar (or other soluble food) it spreads saliva and the sugar which makes it liquid.


But don’t houseflies. These flies are bloodsucking and so they do bite people. If the housefly does not bite, why is it considered so dangerous to man? The claws, padded feet, and body are covered with bristling hairs, and its tongue is coated with sticky glue.

This means dust and dirt will cling to the fly. And since the housefly will look for its food anywher, including gargabe and sewage, the bacteria of various diseases may be in the dirt and dust that sticks to the fly. Then, if the fly touches the food we eat, these disease bacteria will enter our body. 

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