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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 ]
If a flea bites the animal it will ingest with the blood the nitenpyram. The effect of nitenpyram can be observed half an hour after the administration. At this time a high concentration in the plasma can be detected and the first fleas dislodge from the pet host. A study showed that six hours after application the infestation of fleas on ...
A flea can jump 60 times its length in height and 110 times its length in distance, equivalent to a 1.8 m (6 ft) adult human jumping 110 m (361 ft) vertically and 200 m (656 ft) horizontally. Rarely do fleas jump from dog to dog. Most flea infestations come from newly developed fleas from the pet's environment. [6]
Cleaning should be done at the same time in the cars, garage, pet carrier, basement, or any other place where the dog is known to spend time. Preventing flea infestations must include eliminating the parasites from the yard or kennel areas, the two places where fleas are most likely to live.
Flea adults, larvae, or eggs can be controlled with insecticides. Lufenuron is a veterinary preparation (known as Program) that attacks the larval flea's ability to produce chitin, necessary for the adult's hard exoskeleton, but it does not kill fleas. Flea medicines need to be used with care because many of them also affect mammals.
During this time, the flea begins to feed on the host's blood. [11] Stage 3 is divided into two substages, 3a and 3b. Stage 3a is 2–3 days after penetration is complete. In substage 3a, the flea's midsection swells, balloon-like, to the size of a pea. This expansion of the flea causes its integument to be stretched thin, a process called ...