Pulex Irritans

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 confined to the Nearctic and Neotropical regions. How can the answer be improved? Pulex irritans is a holometabolous insect with a four-part lifecycle consisting of eggs, larvae, pupae, and adults. Eggs are shed by the female in the environment and hatch into larvae in about 3–4 days. Pulex irritans is known as the human flea. Fleas are 1-4 mm in length and laterally-compressed. Fleas are 1-4 mm in length and laterally-compressed. They lack both genal and pronotal combs (ctenidia) and the ocular setae are below the eye. Human fleas are more or less similar to dog and cat fleas in physical description: The female Pulex Irritans is 2.5 to 3.5mm long while the males measure 2 to 2.5 mm but have complex genitalia. The bodies, in either case, are reddish brown or rust colored, wingless and laterally compressed. Pulex irritans is a vector for the following human diseases: plague (agent: Yersinia pestsis), murine typhus (agent: Rickettsia typhi) and flea-borne spotted rickettsiosis (agent: Rickettsia felis). Bites from P. irritans are slightly raised, often grouped together and cause itching. Pulex irritans information including symptoms, causes, diseases, symptoms, treatments, and other medical and health issues. Pulex irritans – the Human Flea The human flea is aptly named since the scientific name for it is Pulex irritans , and it certainly can be an irritating creature. P. irritans is a cosmopolitan flea, and is sometimes even classified as such, since it uses several different animals as hosts as well.

Department Province/ District Host (Number) Species cat (10) Ctenocephalides felis Cajamarca/ cat (2) Ctenocephalides canis San Ignacio/ dog (45) Ctenocephalides felis San Ignacio dog (6) Pulex irritans (Marizagua) guinea pig (1) Pulex irritans guinea pig (1) Ctenocephalides felis Amazonas/ dog (8) Ctenocephalides felis Utcubamba/ dog (1) Pulex irritans Cajaruro dog (3) Ctenocephalides felis … Where do fleas come from? | FleaScience Do Cat Fleas Live on Humans? – Pets How to Get Rid of Fleas in Human Hair How to Get Rid of Fleas in Human Hair | LEAFtv How long can fleas live without a host? | Reference.com Dog flea Cat flea

Oriental rat flea Pulex Irritans, W.m. Microscope Slide