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Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Siphonaptera
Family: Pulicidae
Subfamily: Pulicinae
Genus: Pulex

Pulex is a genus of fleas. It comprises six species. One is the human flea (P. irritans), and the other five are confined to the Nearctic and Neotropical regions.[1]


  1. ^ Michael F. Whiting, Alison S. Whiting, Michael W. Hastriter & Katharina Dittmar (2008). "A molecular phylogeny of fleas (Insecta: Siphonaptera): origins and host associations". Cladistics 24: 1–31. doi:10.1111/j.1096-0031.2008.00211.x.