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Without a host to provide a blood meal, a flea's life can be as short as a few days. Under ideal conditions of temperature, food supply, and humidity, adult fleas can live for up to a year and a half. [16] Completely developed adult fleas can live for several months without eating, so long as they do not emerge from their puparia. Optimum ...
The human flea (Pulex irritans) – once also called the house flea [1] – 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 realms . [ 2 ]
Humans have their own species of fleas, Cohen said, but they can't live long off of people. She said a main determinant if you have fleas are long itchy red bites on the skin.
There are more than 2,000 species of tiny (0.04 to 0.15 inches), wingless, blood-sucking fleas that live on the body of the host they infest. ... People can be allergic to flea bites.
Fleas generally don’t live on humans, but you can still have fleabites if you don’t own a pet. You can encounter fleas in your yard or other outdoor areas, and fleas can also live on mice or ...
Problems caused by fleas may range from mild to severe itching and discomfort to skin problems and infections. Anemia may also result from flea bites in extreme circumstances. Furthermore, fleas can transmit tapeworms and diseases to pets. When fleas bite humans, they may develop an itching rash with small bumps that may bleed.