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Adult houseflies are 4 to 8 mm long. The thorax is gray, with four longitudinal black lines on the back. The ventral side of his abdomen is gray. The whole body is covered with fine hairs. She has red compound eyes. The female is slightly larger than the male.


Houseflies can only absorb liquid food. It regurgitates saliva on its solid food to pre-digest it, then reabsorbs this food which is made almost liquid. Its favourite foods are the decaying organic matter she finds in our trash cans.


Houseflies tend to live near the food source where they have lived their larval stage and rarely exceed this point by more than 1.6 to 3.2 km if the food source is sufficient. The male housefly is very territorial and will defend this territory against any invasion by other males and will mate with the females who venture there.


The female lays her eggs in batches of 75 to 150 eggs and will produce between 5 and 6 clutches during her life, which gives 375 to 900 eggs at the end of this one. The eggs will be laid in decomposing organic matter so that the larvae can feed on them after hatching.

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