The species most encountered by pest management professionals is the cat flea, and the majority of the information listed here will pertain to the cat flea.  Do not let the name of the pest mislead you.  Cat fleas prefer the temperature of a cat’s blood but will feed on the blood host of most warm blooded nesting animals found in and around homes in the United States.


Fleas develop through a life cycle known as a complete metamorphosis, beginning with the flea egg.  This smallest stage of the flea’s life cycle is seldom seen, due to its small size.  These tiny eggs are well distributed by the host of the flea (dogs, cats, nesting animals) and should be considered in any flea control program.  Knowing flea egg development will give you a better understanding of the pest and aid in flea control and flea prevention.

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