Togo 2011
Dog Flea
Ctenocephalides canis

Human Flea
Pulex irritans

A flea is parasitic on the surface of the body of a homoiotherm like lice. However, the body of a flea is flat to the body of lice being flat at backside of stomack at right and left. Moreover, the leg of lice has the structure of being easy to hold hair and feathers, and to a thing with a blunt motion, a flea bends down to pass under between hair or feathers very quickly, and moves it.

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