2 species in North America: the Cat Flea and the Dog Flea (nearctica.com
conspicuous genal and pronotal combs; one row of bristles on each abdominal segment
See the Siphonaptera page for general information and references on fleas.
The Dog Flea (C. canis) is an intermediate host for the dog tapeworm. The tapeworm develops in the flea larva after the larva ingests a tapeworm egg. When a dog bites an adult flea, the tapeworm enters the dog's digestive system.
of C. canis
(Kevin Baldwin, Momouth College, Illinois)