Human Flea (Pulex irritans) | Evident Scientific

Human Flea ( Pulex irritans )

Over 1,600 species and subspecies of fleas, which are parasites in the insect order Siphonaptera , populate the Earth's many diverse environments. The human flea, Pulex irritans, is rather rare in modern domestic dwellings, but in former times was a constant cohort to all classes of people.