Search results
Results from the WOW.Com Content Network
The adults are roughly 1.5 to 4 mm in length and are laterally flattened. They are dark brown in color, are wingless, and have piercing-sucking mouthparts that aid in feeding on the host's blood. Both genal and pronotal combs are absent and the adult flea has a rounded head. Most fleas are distributed in the egg, larval, or pupal stages.
The infected fleas feed on rodent vectors of this bacterium, such as the black rat, Rattus rattus, and then infect human populations with the plague, as has happened repeatedly from ancient times, as in the Plague of Justinian in 541–542. [46] Outbreaks killed up to 200 million people across Europe between 1346 and 1671. [47]
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. Although fleas cannot fly, they have developed ...
A single female flea can mate once and lay eggs every day with up to 50 eggs per day. [ 5 ] [ 6 ] [ citation needed ] Experimentally, it has been shown that the fleas flourish in dry climatic conditions with temperatures of 20–25 °C (68–77 °F), [ 7 ] they can live up to a year and can stay in the cocoon stage for up to a year if the ...
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more
Selena Gomez. Selena Gomez just proved Rare Beauty's power with a simple set of selfies.. Ahead of Christmas, the 31-year-old singer and actress gifted fans a series of sweet selfies showing off ...
Selena Gomez is giving fans a look at the “real” her in new photos. The “Single Soon” singer took to Instagram on March 24, sharing a black-and-white photo of her sporting a makeup-free ...
[1] [2] [3] It is usually acquired during sex, but can be spread via bedding, clothing and towels, and is more common in crowded conditions where there is close contact between people. [1] [4] The main symptom is an intense itch in the groin, particularly at night. There may be some grey-blue discolouration at the feeding site, and eggs and ...