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Phenothrin
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Phenothrin : ウィキペディア英語版
Phenothrin

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Phenothrin, also called sumithrin, is a synthetic pyrethroid that kills adult fleas and ticks. It has also been used to kill head lice in humans. D-Phenothrin is used as a component of aerosol insecticides for domestic use. Phenothrin is often used with methoprene, an insect growth regulator that interrupts the insect's biological life cycle by killing the eggs. Phenothrin is the active agent in the branded product Raid Fly & Wasp Killer.
== Effects ==

Phenothrin is primarily used to kill fleas and ticks.〔JOURNAL OF PESTICIDE REFORM/ SUMMER 2003 • VOL. 23, NO. 2 http://www.pesticide.org/get-the-facts/pesticide-factsheets/factsheets/sumithrin〕 It is also used to kill head lice in humans, but studies conducted in Paris, France and the United Kingdom have shown widespread resistance to phenothrin.〔
It is extremely toxic to bees. A U.S. Environmental Protection Agency (EPA) study found that 0.07 micrograms was enough to kill honey bees.〔 It is also extremely toxic to aquatic life with a study showing concentrations of 0.03 ppb killing mysid shrimp.〔 It has increased risk of liver cancer in rats and mice in long term exposure.〔 It is poisonous to cats and dogs, with seizures and deaths being reported due to poisoning.〔 Specific data on concentrations or exposure is lacking.
The EPA has not assessed its effect on cancer in humans. However, one study performed by the Mt. Sinai School of Medicine links sumithrin with breast cancer; the link made by sumithrin's effect on increasing the expression of a gene responsible for mammary tissue proliferation.〔

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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