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Daphnia is a genus of small planktonic crustaceans, 0.2–6.0 mm (0.01–0.24 in) in length. Daphnia are members of the order Anomopoda, and are one of the several small aquatic crustaceans commonly called water fleas because their saltatory swimming style resembles the movements of fleas.
It can also be an intermediate host for the flea tapeworm cestode Dipylidium caninum. Fleas can spread rapidly and move between areas to include eyebrows, eyelashes, and pubic regions. Hair loss as a result of itching is common, especially in wild and domestic animals. Anemia is also possible in extreme cases of high-volume infestations.
Fleas must be killed off the pets, the pets' common areas and the home for up to a year after infection. On pets, Cohen said flea baths are OK, but not to be used alone as it's only good for the ...
Daphnia magna is mainly found in the pelagic zone of water bodies, as it feeds primarily on suspended particles in the water column (mainly algae, but also bacteria and detritus). Nevertheless, compared to other species of Daphnia , it is more often found in association with the substrate where it is able to exploit benthic food sources as ...
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 most infamous flea-to-human transmitted disease is the bubonic plague, which was caused by the bacterium Yersinia pestis.
By stage 2 (days 1–2), penetration is complete and the flea has burrowed most of its body into the skin. Only the anus, the copulatory organs, and four rear air holes in fleas called stigmata remain on the outside of the epidermis. The anus will excrete feces that is thought to attract male fleas for mating, described in a later section.
These insects tend to bite people’s heads, arms and legs, said Drake, because, as cattle pests, they go for hairy parts of the body. Protecting your head by wearing a hat is the most effective ...