What Do House Flies Eat?


Quick Answer

House flies eat things such as decaying matter and feces. They also feed on garbage, spoiled meat and rotting fruits.

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What Do House Flies Eat?
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Full Answer

Common house flies are a nuisance and according to Penn State College of Agricultural Sciences, they can transmit over 65 different diseases to humans and animals. The flying insects rarely grow larger than 1/4 of an inch long and they can only ingest liquids. To turn decaying matter and solid food into a liquefied state, they throw saliva up on the food source. The saliva then liquefies the food so that the flies can suck it up using their proboscis.

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