''Pulex'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

flea Flea, the common name for the order (biology), order Siphonaptera, includes 2,500 species of small flightless insects that live as external parasites of mammals and birds. Fleas live by hematophagy, ingesting the blood of their hosts. Adult f ...

s. It comprises seven

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

. One is the human flea (''P. irritans''), and five of the others are confined to the

Nearctic The Nearctic realm is one of the eight biogeographic realms constituting the Earth's land surface. The Nearctic realm covers most of North America, including Greenland, Central Florida, and the highlands of Mexico. The parts of North America ...

and

Neotropical realm The Neotropical realm is one of the eight biogeographic realms constituting Earth's land surface. Physically, it includes the tropics, tropical Ecoregion#Terrestrial, terrestrial ecoregions of the Americas and the entire South American temperat ...

Species

Encyclopedia of Life The Encyclopedia of Life (EOL) is a free, online encyclopedia intended to document all of the 1.9 million living species known to science. It aggregates content to form "pages" for every known species. Content is compiled from existing trusted ...

'' lists seven species: *'' Pulex alvarezi'' Barrera, 1955 *'' Pulex echidnophagoides'' (Wagner, 1933) *''

Pulex irritans The human flea (''Pulex irritans'') – once also called the house flea – is a cosmopolitan flea species that has, in spite of the common name, a wide host spectrum. It is one of six species in the genus '' Pulex''; the other five are all confi ...

Linnaeus Carl Linnaeus (23 May 1707 – 10 January 1778), also known after ennoblement in 1761 as Carl von Linné,#Blunt, Blunt (2004), p. 171. was a Swedish biologist and physician who formalised binomial nomenclature, the modern system of naming o ...

1758 Events January–March * January 1 – Swedish biologist Carl Linnaeus (Carl von Linné) publishes in Stockholm the first volume (''Animalia'') of the 10th edition of ''Systema Naturae'', the starting point of modern zoologic ...

*'' Pulex larimerius'' Lewis et Grimaldi, 1997 *'' Pulex porcinus'' Jordan et Rothschild, 1923 *'' Pulex simulans'' Baker, 1895 *''

Pulex sinoculus ''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. Species ''Encyclopedia of Life'' lists seven species: *'' Pulex alva ...

'' Traub, 1950

References

Siphonaptera genera Pulicidae Taxa named by Carl Linnaeus {{Flea-stub