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An insect repellent (also commonly called "bug spray") is a substance applied to skin, clothing, or other surfaces which discourages insects (and arthropods in general) from landing or climbing on that surface. Insect repellents help prevent and control the outbreak of insect-borne diseases such as malaria, Lyme disease, dengue fever, bubonic plague, and West Nile fever. Pest animals commonly serving as vectors for disease include insects such as flea, fly, and mosquito; and the arachnid tick. ==Common insect repellents== * Birch tree bark is traditionally made into tar. Combined with another oil (e.g., fish oil) at 1/2 dilution, it is then applied to the skin for repelling mosquitos〔Happy people: A year in the Taiga〕〔(Making birch bark tar )〕〔(Birch bark used as mosquito repellent )〕 * DEET (''N'',''N''-diethyl-''m''-toluamide) * Essential oil of the lemon eucalyptus (''Corymbia citriodora'') and its active compound p-menthane-3,8-diol (PMD) * Icaridin, also known as picaridin, Bayrepel, and KBR 3023 * Nepetalactone, also known as "catnip oil" * Citronella oil〔 * Neem oil * Bog Myrtle (Myrica Gale) * Dimethyl carbate * Tricyclodecenyl allyl ether, a compound often found in synthetic perfumes.〔(Insect Repellents - Patent 6660288 )〕〔(Detailed patent information )〕 * IR3535 (3-()-aminopropionic acid, ethyl ester) * Ethylhexanediol, also known as Rutgers 612 or "6-12 repellent," discontinued in the US in 1991 due to evidence of causing developmental defects in animals〔(Brown, Maryland Extension Service leaflet 10 )〕 * Dimethyl phthalate, not as common as it once was but still occasionally an active ingredient in commercial insect repellents * Metofluthrin * Indalone. Widely used in a "6-2-2" mixture (60% Dimethyl phthalate, 20% Indalone, 20% Ethylhexanediol) during the 1940s and 1950s before the commercial introduction of DEET. * Permethrin is different in that it is actually a contact insecticide. * A more recent repellent being currently researched is SS220, which has been shown to provide significantly better protection than DEET. * Another new and promising group of repellents are the anthranilate-based insect repellents. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「insect repellent」の詳細全文を読む スポンサード リンク
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