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Flea infestation in the home is treated in various ways. Insecticides.A spot-on insecticide kills the fleas on the pet. A fogger or spray insecticide containing an insect growth regulator, such as pyriproxyfen or methoprene can kill eggs and pupae, which are quite resistant to insecticides.
Boric acid is a weak acid, with pK a (the pH at which buffering is strongest because the free acid and borate ion are in equal concentrations) of 9.24 in pure water at 25 °C. But apparent p K a is substantially lower in swimming pool or ocean waters because of interactions with various other molecules in solution.
Many are 2,2-dimethylcyclopropanecarboxylic acid derivatives, like chrysanthemic acid, esterified with an alcohol. However, the cyclopropyl ring does not occur in all pyrethroids. Fenvalerate , which was developed in 1972, is one such example and was the first commercialized pyrethroid without that group.
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 ]
Flea bites in humans. Fleas feed on a wide variety of warm-blooded vertebrates including dogs, cats, rabbits, squirrels, ferrets, rats, mice, birds, and sometimes humans. Fleas normally specialise in one host species or group of species, but can often feed but not reproduce on other species.
Spinosad also has secondary effects as a γ-amino-butyric acid (GABA) neurotransmitter agonist. [5] It kills insects by hyperexcitation of the insect nervous system. [ 5 ] Spinosad has proven not to cause cross-resistance to any other known insecticide.