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[[Image: flea.jpg|thumb|right|250px|''Robert Hooke's famous flea from Micrographia'' Muriel Gottrop, WikiMedia Commons]]

[[Image: flea.jpg|thumb|right|250px|''Robert Hooke's famous flea from Micrographia'' Muriel Gottrop, WikiMedia Commons]]

[[Image:Flea Diagram.jpg|thumb|right|150px|Flea Diagram - Wikimedia Commons]]

[[Image:Flea Diagram.jpg|thumb|right|150px|''Flea Diagram'' <br> AI2 2007, Wikimedia Commons]]

=Overview=

=Overview=

Fleas make up the taxonomical order ''Siphonaptera'' containing approximately 2500 species all of which are very similar in morphology. All are obligate blood feeders, which is apparent in the morphology of the mouthparts. Though they are all small, between 1 and 6mm, there is considerable sexual dimporphism, the females being larger than the males. The body of the flea is laterally flattened  

Fleas make up the taxonomical order ''Siphonaptera'' containing approximately 2500 species all of which are very similar in morphology. All are obligate blood feeders, which is apparent in the morphology of the mouthparts. Though they are all small, between 1 and 6mm, there is considerable sexual dimporphism, the females being larger than the males. The body of the flea is laterally flattened