Pulex Pu·lex (pyōō'lěks')
A genus of fleas including Pulex irritans, the common flea that infests humans.
Describe the cutaneous disturbance produced by the pulex irritans.
The human flea (pulex irritans) appears to occupy an isolated position.
The male palpi are smaller than in pulex, though the males are larger.
The indigenous fleas of America are only distant relatives of pulex irritans.
Such small creatures as Daphnia pulex, Cyclops quadricornis and Rotifera should be introduced into ponds.
In streams, or in ponds with streams running into them, the fresh-water shrimps (Gammarus pulex) should always be tried.
But the resources of one-and-twenty are not easily daunted, even by the presence of the cimex lectularius or the pulex irritans.
Describe the cutaneous disturbance produced by the pulex penetrans.
On the abdomen the front middle spot is not so distinct as in pulex, but in place of it are two white spots.
But in England, and probably in other parts of Europe as well, pulex irritans is an undoubted parasite of the badger.