Pulex

{{short description|Genus of fleas}}

{{Automatic taxobox

| image = PulexIrritans.jpg

| image_caption = Pulex irritans (human flea)

| taxon = Pulex

| authority = Linnaeus, 1758

}}

Pulex is a genus of fleas. It comprises seven species. One is the human flea (P. irritans), and five of the others are confined to the Nearctic and Neotropical realms.{{cite journal |title=A molecular phylogeny of fleas (Insecta: Siphonaptera): origins and host associations |author1=Michael F. Whiting |author2=Alison S. Whiting |author3=Michael W. Hastriter |author4=Katharina Dittmar |journal=Cladistics |volume=24 |year=2008 |issue=5 |pages=1–31 |url=http://darwin.biology.utah.edu/china/PDFs/Fleas12.pdf |doi=10.1111/j.1096-0031.2008.00211.x}}