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Pulex irritans (human flea)
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Siphonaptera
Family: Pulicidae
Subfamily: Pulicinae
Genus: Pulex
Linnaeus, 1758

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]


Encyclopedia of Life lists seven species:[2]

  • Pulex alvarezi Barrera, 1955
  • Pulex echidnophagoides (Wagner, 1933)
  • Pulex irritans Linnaeus, 1758
  • Pulex larimerius Lewis et Grimaldi, 1997
  • Pulex porcinus Jordan et Rothschild, 1923
  • Pulex simulans Baker, 1895
  • Pulex sinoculus Traub, 1950


  1. ^ Michael F. Whiting; Alison S. Whiting; Michael W. Hastriter; Katharina Dittmar (2008). "A molecular phylogeny of fleas (Insecta: Siphonaptera): origins and host associations" (PDF). Cladistics. 24: 1–31. doi:10.1111/j.1096-0031.2008.00211.x. 
  2. ^ "Pulex". Encyclopedia of Life. Retrieved 8 March 2015.