JP2011251922A - Spray agent for small fly control - Google Patents
Spray agent for small fly control Download PDFInfo
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- JP2011251922A JP2011251922A JP2010125452A JP2010125452A JP2011251922A JP 2011251922 A JP2011251922 A JP 2011251922A JP 2010125452 A JP2010125452 A JP 2010125452A JP 2010125452 A JP2010125452 A JP 2010125452A JP 2011251922 A JP2011251922 A JP 2011251922A
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Abstract
Description
本発明は、コバエ防除用スプレー剤に関するものである。 The present invention relates to a spray for controlling fly fly.
近年、ガーデニングや昆虫飼育の流行、消費者の害虫防除意識の向上に伴い、コバエ類は屋内でよく見られる害虫として広く注目を集め、人に不快感を与えることから問題となっている。一般家庭で見かけるコバエの代表種として、生ゴミや食品まわり等で発生するショウジョウバエやノミバエ、屋内の観葉植物やベランダのプランターまわり等で発生するクロバネキノコバエ等があげられ、一般家庭での防除対象害虫としては蚊に次いで２番目に多い。
そこで、市場には、（１）誘引捕獲器、（２）忌避スプレーなど多種のコバエ防除用製品が出回り、その市場規模は年々拡大している。しかしながら、（１）誘引捕獲器にあっては、コバエ類が侵入するのを待ち伏せる消極的な方法であり、また、（２）忌避スプレーについては、その作用は天然ハーブによるコバエ類の忌避・虫よけ効果に留まっている。
In recent years, with the trend of gardening and insect breeding and the improvement of consumers' pest control awareness, fly flies have attracted widespread attention as pests often seen indoors, and have become a problem because they give people discomfort. Typical species of the fly that can be found in general households include Drosophila and fleas that occur around garbage and food, and black flies that occur around indoor houseplants and veranda planters. It is the second most common pest after mosquitoes.
Therefore, various kinds of fly fly control products such as (1) attracting traps and (2) repellent sprays are on the market, and the market scale is increasing year by year. However, (1) In the attracting trap, it is a passive method to ambush the infestation of the fly, and (2) the action of the repellent spray is to repel the fly by the natural herb. It stays in the prevention effect.
かかる現状から、消費者のなかには、コバエ類に対して殺虫作用を示す直接的な防除方法を求めるニーズもあり、このための提案がいくつかなされている。例えば、特開２００５−３３０２６４号公報（特許文献１）は、殺虫成分と共に、常温、常圧で液体であって、沸点が６０℃未満の炭化水素類を含有してなるコバエ用エアゾール製品を開示し、また、特開２００５−２８１１４１号公報（特許文献２）では、害虫駆除成分としてのピレトリン、溶解補助剤、溶剤及び噴射剤を含有してなる害虫駆除用エアゾール剤が開示され、イエバエ、ヒメイエバエなどのハエ類に適用できるとしている。 Under such circumstances, there is a need for consumers to find a direct control method that exhibits insecticidal action against fruit flies, and several proposals have been made for this purpose. For example, Japanese Patent Application Laid-Open No. 2005-330264 (Patent Document 1) discloses an aerosol product for fruit fly containing a pesticide component and a hydrocarbon having a boiling point of less than 60 ° C. and liquid at normal temperature and pressure. JP-A-2005-281141 (Patent Document 2) discloses a pest control aerosol containing pyrethrin as a pest control component, a solubilizing agent, a solvent and a propellant. It can be applied to flies.
本発明者らは、直接的なコバエ類の防除方法として、殺虫成分を含むスプレー剤を検討するにあたり、本製剤の使用場面が主に台所であることを鑑み、安全性の高い天然ピレトリンを殺虫成分として選択したが、防除効果的にみて、効力増強成分を配合する必要性を認めた。特許文献１のコバエ用エアゾール製品では、天然ピレトリンは幾多の殺虫成分の一つとして例示され具体例の記載もないことから処方検討の参考にならず、一方、特許文献２の害虫駆除用エアゾール剤についても、これを試してみたところ、コバエ類に対する防除効果は十分と言えなかった。この結果から、特許文献２で天然ピレトリンと共に用いる溶解補助剤、即ち、ミリスチン酸イソプロピルは、製剤安定性の向上に寄与するものの、コバエ類の防除に必ずしも適していないことが示唆されたので、本発明者らは新しくコバエ類防除用の効力増強成分をスクリーニングする試験を行った。ピレスロイド系化合物の効力増強成分としては、上記以外にも、例えば、特許第２７４８４５５号公報（特許文献３）に開示されているような、炭素数２〜３個の多価アルコールとカプリル酸とのモノエステルが知られている。しかしながら、コバエ類に対して満足のいく性能を示すものはなく、結局のところ、有用なコバエ防除用スプレー剤を達成するためには、効力増強成分の探索はもとより、実際に種々試験を重ね結果を検証して行かざるを得ない状況であった。 As a direct control method for fruit flies, the present inventors have considered that a highly safe natural pyrethrin is insecticidal in view of the fact that the use of this preparation is mainly in the kitchen when examining sprays containing an insecticidal component. Although selected as an ingredient, the necessity of blending an efficacy enhancing ingredient was recognized in terms of controlling effectiveness. In the aerosol product for fly flies of Patent Document 1, natural pyrethrin is exemplified as one of many insecticidal components, and there is no description of specific examples. When I tried this, I couldn't say that the control effect on the fly was not enough. From this result, it was suggested that the solubilizing agent used with natural pyrethrin in Patent Document 2, that is, isopropyl myristate, contributes to the improvement of formulation stability, but is not necessarily suitable for the control of fly flies. The inventors newly conducted a test to screen for potentiating ingredients for controlling the fly. In addition to the above, the potency enhancing component of the pyrethroid compound includes, for example, a polyhydric alcohol having 2 to 3 carbon atoms and caprylic acid as disclosed in Japanese Patent No. 2748455 (Patent Document 3). Monoesters are known. However, there is nothing that shows satisfactory performance against fruit flies, and as a result, in order to achieve a useful spray for controlling fruit fly, in addition to searching for potentiating ingredients, various tests were actually conducted. It was a situation that I had to go to verify.
本発明は、殺虫成分として人畜に対する安全性の高い天然ピレトリンを用い、コバエ類に対して速効的な防除効果を奏し得るコバエ防除用スプレー剤を提供することを目的とする。 An object of the present invention is to provide a spray for controlling a fly fly that uses a natural pyrethrin that is highly safe for human livestock as an insecticidal component and can exhibit a fast-acting control effect against the fly fly.
本発明は、以下の構成が上記目的を達成するために優れた効果を奏することを見出したものである。
（１）（ａ）殺虫成分である天然ピレトリン、（ｂ）常温で液状の炭素数が１４〜１８の高級脂肪酸、（ｃ）炭素数２〜３の低級アルコール、及び（ｄ）水を含有する水性液剤を用いるコバエ防除用スプレー剤。
（２）前記（ｂ）常温で液状の炭素数が１４〜１８の高級脂肪酸が、オレイン酸である（１）記載のコバエ防除用スプレー剤。
（３）前記水性液剤に噴射剤を加え、エアゾール形態である（１）又は（２）記載のコバエ防除用スプレー剤。
The present invention has been found that the following constitution has an excellent effect for achieving the above-mentioned object.
(1) (a) natural pyrethrin as an insecticidal component, (b) a higher fatty acid having 14 to 18 carbon atoms that is liquid at room temperature, (c) a lower alcohol having 2 to 3 carbon atoms, and (d) water. Spray for controlling fly fly using aqueous solution.
(2) The spray for controlling fly fly according to (1), wherein (b) the higher fatty acid having 14 to 18 carbon atoms which is liquid at normal temperature is oleic acid.
(3) A spray for controlling fly fly according to (1) or (2), wherein a propellant is added to the aqueous liquid to form an aerosol.
本発明のコバエ防除用スプレー剤は、殺虫成分として人畜に対する安全性の高い天然ピレトリンを用い、コバエ類に対して速効的な防除効果を奏するのでその実用性は極めて高い。 The spray for controlling the fly of the present invention uses natural pyrethrin that is highly safe for human livestock as an insecticidal component, and exhibits a fast and effective control effect against the fly, so its practicality is extremely high.
本発明で（ａ）殺虫成分として用いる天然ピレトリンは、通常除虫菊エキスとして入手でき、ピレトリンＩ、ＩＩ、シネリンＩ、ＩＩ、ジャスモリンＩ、ＩＩの６種類の有効成分、植物性蝋状物質、及び溶剤を含んでいる。
天然ピレトリンの配合量は、水性液剤全体量あたり有効成分として０．０１〜２．０質量％（ｗ／ｖ）程度が適当であり、０．０１質量％（ｗ／ｖ）未満であると所望の効果が得られないし、一方、２．０質量％（ｗ／ｖ）を超えると水性液剤の液性に問題を生じる場合がある。なお、天然ピレトリンの産地や各成分の組成比は限定されず、また、ピレトリン生合成酵素をコードする遺伝子が組み込まれたベクターを用いて得られた天然ピレトリンも本発明に包含されることはもちろんである。
Natural pyrethrin used as an insecticidal component in the present invention (a) is usually available as an insect repellent extract, and six active ingredients of pyrethrin I, II, cinerin I, II, jasmolin I, II, a vegetable waxy substance, and a solvent Is included.
The blending amount of natural pyrethrin is suitably about 0.01 to 2.0% by weight (w / v) as an active ingredient per total amount of aqueous liquid preparation, and is desirably less than 0.01% by weight (w / v). On the other hand, if it exceeds 2.0 mass% (w / v), there may be a problem with the liquidity of the aqueous liquid preparation. The production area of natural pyrethrin and the composition ratio of each component are not limited, and natural pyrethrin obtained using a vector incorporating a gene encoding a pyrethrin biosynthetic enzyme is of course included in the present invention. It is.
本発明では、前記天然ピレトリンに加え、殺虫成分として、アレスリン、プラレトリン、フラメトリン、エムペントリン、メトフルトリン、プロフルトリン、トランスフルトリン、フェノトリン、イミプロトリン、エトフェンプロックス、シラフルオフェン、ジノテフラン、イミダクロプリドなどの合成化合物を適宜添加し殺虫効果の増強を図ることもできるが、本製剤が主に台所で使用され、安心感を与える天然由来成分が嗜好されることを考慮すると、かかる合成化合物の配合は極力抑えるのが好ましい。 In the present invention, in addition to the natural pyrethrin, as an insecticidal component, synthetic compounds such as allethrin, praretrin, framethrin, empentrin, metfurthrin, profluthrin, transfluthrin, phenothrin, imiprotorin, etofenprox, silafluophene, dinotefuran, imidacloprid are appropriately added. Although it is possible to enhance the insecticidal effect, it is preferable to suppress the blending of such synthetic compounds as much as possible considering that the present preparation is mainly used in the kitchen and that natural ingredients that give a sense of security are preferred.
本発明のコバエ防除用スプレー剤は、天然ピレトリンの効力増強成分として、（ｂ）常温で液状の炭素数が１４〜１８の高級脂肪酸を配合したことを特徴とする。このような高級脂肪酸には、オレイン酸、リノール酸、リノレン酸、イソステアリン酸等があげられるが、オレイン酸は性能的に優れるだけでなく、天然のヤシ油由来成分なので使い易い。
高級脂肪酸の配合量は、水性液剤全体量あたり０．５〜１０質量％（ｗ／ｖ）程度が適当であり、０．５質量％（ｗ／ｖ）未満であると所望の効力増強効果が得られないし、一方、１０質量％（ｗ／ｖ）を超えると水性液剤の液性に問題を生じる場合がある。
The spray for controlling fly fly according to the present invention is characterized in that (b) a higher fatty acid having 14 to 18 carbon atoms which is liquid at normal temperature is blended as a natural pyrethrin efficacy enhancing component. Examples of such higher fatty acids include oleic acid, linoleic acid, linolenic acid, and isostearic acid. Oleic acid is not only excellent in performance but also easy to use because it is a component derived from natural coconut oil.
The blending amount of the higher fatty acid is suitably about 0.5 to 10% by mass (w / v) per total amount of the aqueous liquid, and if it is less than 0.5% by mass (w / v), the desired effect of enhancing the efficacy is obtained. On the other hand, if it exceeds 10% by mass (w / v), a problem may occur in the liquidity of the aqueous liquid preparation.
特許文献２によれば、天然ピレトリンの溶解補助剤としてミリスチン酸イソプロピルが有効であった旨記載され、また、特許文献３では、ピレスロイド系化合物の効力増強成分として、炭素数２〜３個の多価アルコールとカプリル酸とのモノエステルが開示されているが、これらの化合物のコバエ類に対する効力増強効果は必ずしも十分と言えなかった。
しかるに、本発明者らは、コバエ類を対象とした天然ピレトリンの効力増強成分を探索する目的で各種脂肪酸並びに脂肪酸エステルを検討したところ、（ｂ）常温で液状の炭素数が１４〜１８の高級脂肪酸が、特異的に本目的に合致することを知見し、本発明を完成したものである。
According to Patent Document 2, it is described that isopropyl myristate was effective as a solubilizing agent for natural pyrethrin, and Patent Document 3 describes that a compound having 2 to 3 carbon atoms as a potentiating component of a pyrethroid compound. Although monoesters of monohydric alcohol and caprylic acid have been disclosed, the effect of enhancing the potency of these compounds against fruit flies has not always been sufficient.
However, the present inventors examined various fatty acids and fatty acid esters for the purpose of searching for the potentiating component of natural pyrethrin for the fruit fly, and (b) a high-grade compound having 14 to 18 carbon atoms in liquid form at room temperature. The present invention has been completed by discovering that fatty acids specifically meet this purpose.
本発明で用いる水性液剤は、更に（ｃ）炭素数２〜３の低級アルコールを含有する。かかる低級アルコールとしては、エタノール、イソプロピルアルコール（ＩＰＡ）等があげられ、なかでもエタノールは速乾性に優れるため、シンクまわりやゴミ箱等の処理に好適である。特に、発酵エタノールを使用すれば、天然由来である旨の安心感を付与できるというメリットも有する。
低級アルコールの含有量は任意であるが、火気に対する危険性を低減化させるために、（ｂ）高級脂肪酸や（ｄ）水の量も勘案して決定するのが好ましい。
The aqueous liquid agent used in the present invention further contains (c) a lower alcohol having 2 to 3 carbon atoms. Examples of such lower alcohols include ethanol, isopropyl alcohol (IPA), and the like. Among them, ethanol is excellent in quick-drying and is therefore suitable for processing around a sink or a trash can. In particular, if fermented ethanol is used, there is also a merit that a sense of security that it is naturally derived can be imparted.
The content of the lower alcohol is arbitrary, but is preferably determined in consideration of the amount of (b) higher fatty acid and (d) water in order to reduce the risk to fire.
また、本発明では、水性液剤に噴射剤を加え、エアゾール形態に適用するのが好ましい。噴射剤としては、ジメチルエーテル（ＤＭＥ）、液化石油ガス（ＬＰＧ）、圧縮ガス等があげられるが、水性液剤の安定性の観点から、ＤＭＥもしくはＤＭＥ主体の混合ガスが好適である。
本製剤の場合、飛翔中のコバエ類を素早く直撃する必要があることから、噴霧粒子径は２０〜８０μｍ程度が好ましく、このために水性液剤と噴射剤の比率は、２０／８０〜７０／３０の範囲で適宜決定すればよい。
Moreover, in this invention, it is preferable to add a propellant to an aqueous liquid agent and to apply to an aerosol form. Examples of the propellant include dimethyl ether (DME), liquefied petroleum gas (LPG), and compressed gas. From the viewpoint of the stability of the aqueous liquid agent, DME or a mixed gas mainly composed of DME is preferable.
In the case of this preparation, since it is necessary to quickly hit the flying flies, the spray particle diameter is preferably about 20 to 80 μm. For this reason, the ratio of the aqueous liquid agent to the propellant is 20/80 to 70/30. What is necessary is just to determine suitably in the range.
本発明では、前記成分のほか、本発明の効果に支障を来たさない限りにおいて必要に応じ、他の溶剤、界面活性剤、可溶化剤、消臭剤、安定化剤、着色剤、香料等を適宜配合してもよいことはもちろんである。
溶剤としては、例えば、プロピレングリコール、１，３−ブチレングリコール、１，４−ブチレングリコール、ジエチレングリコール、ジプロピレングリコール、ヘキシレングリコールなどの炭素数３〜６のグリコール、これらのグリコールエーテル、ケトン系溶剤、エステル系溶剤、灯油などの炭化水素系溶剤などがあげられる。
In the present invention, in addition to the above components, other solvents, surfactants, solubilizers, deodorizers, stabilizers, colorants, fragrances may be used as long as they do not hinder the effects of the present invention. Of course, these may be appropriately blended.
Examples of the solvent include propylene glycol, 1,3-butylene glycol, 1,4-butylene glycol, diethylene glycol, dipropylene glycol, hexylene glycol, and other glycols having 3 to 6 carbon atoms, these glycol ethers, and ketone solvents. And hydrocarbon solvents such as ester solvents and kerosene.
また、界面活性剤（可溶化剤）としては、例えば、ポリオキシエチレン硬化ヒマシ油、ポリオキシエチレン高級アルキルエーテル類（ポリオキシエチレンラウリルエーテル、ポリオキシエチレンオレイルエーテル等）、ポリオキシエチレンアルキルフェニルエーテル類、ポリオキシエチレン高級脂肪酸エステル類、ポリオキシエチレンソルビタン脂肪酸エステル類、ポリオキシエチレングリセリン脂肪酸エステル類、ポリオキシエチレンポリオキシプロピレンアルキルエーテル等の非イオン系界面活性剤や、ラウリルアミンオキサイド、ステアリルアミンオキサイド、ラウリル酸アミドプロピルジメチルアミンオキサイド等の高級アルキルアミンオキサイド系界面活性剤を例示することができる。 Examples of the surfactant (solubilizer) include polyoxyethylene hydrogenated castor oil, polyoxyethylene higher alkyl ethers (polyoxyethylene lauryl ether, polyoxyethylene oleyl ether, etc.), polyoxyethylene alkylphenyl ether, and the like. , Polyoxyethylene higher fatty acid esters, polyoxyethylene sorbitan fatty acid esters, polyoxyethylene glycerin fatty acid esters, polyoxyethylene polyoxypropylene alkyl ether and other nonionic surfactants, laurylamine oxide, stearylamine Examples thereof include higher alkylamine oxide surfactants such as oxide and amidopropyldimethylamine oxide laurate.
更に、消臭剤としては、各種のものが使用可能であるが、カキノキ科、イネ科、ツバキ科（茶など）、イチョウ科、モクセイ科（シナレンギョウなど）、クワ科（イチジクなど）、ミカン科、キントラノオ科（アセロラなど）の中から選ばれる１種以上の天然の植物由来物質が好ましい。
このような植物由来物質もしくは植物抽出物、例えばポリフェノール類は、消臭成分として作用する一方、天然ピレトリンの安定化に寄与し、コバエ類防除効果を高め得ることが認められた。
In addition, various deodorants can be used, such as oyster family, gramineous family, camellia family (such as tea), ginkgo family, oleaceae family (such as Coleoptera), mulberry family (such as fig), mandarin orange One or more kinds of natural plant-derived substances selected from the family, Quintranoaceae (such as acerola) are preferred.
It has been found that such plant-derived substances or plant extracts, such as polyphenols, act as deodorizing components, while contributing to the stabilization of natural pyrethrins and enhancing the effect of controlling the fly.
本発明は、かかる水性液剤をトリガーポンプに充填するか、もしくは、更に噴射剤と共にエアゾール容器に充填してコバエ防除用スプレー剤を提供する。
トリガーポンプやエアゾール容器は、その用途、使用目的等に応じて、適宜噴口、ノズル等の形状を選択すればよく、例えば、広角ノズル付きのタイプを用いれば、一度の操作で広い範囲を処理することが可能となり便利である。
The present invention provides a spray for controlling fly fly by filling such an aqueous liquid into a trigger pump, or further filling an aerosol container together with a propellant.
The trigger pump and the aerosol container may be appropriately selected in the shape of the nozzle, nozzle, etc. according to the application, purpose of use, etc. For example, if a type with a wide-angle nozzle is used, a wide range is processed by one operation. It becomes possible and convenient.
こうして得られた本発明のコバエ防除用スプレー剤は、台所、リビングルームや和室、玄関などの室内で発生したコバエ類に向けてスプレーすると、天然ピレトリンと特定の効力増強成分の作用で、即効的な防除効果を奏する。対象となるコバエ類としては、ショウジョウバエ科、ノミバエ科、キノコバエ科、クロバネキノコバエ科、ケバエ科、チョウバエ科、チーズバエ科などがあげられるが、これらに限定されない。
特に、天然ピレトリン、オレイン酸、発酵エタノール、及び水からなる水性液剤を使用すれば、いずれの成分も天然由来で安心感があり、しかも発酵エタノールの抗菌効果も期待できることから、極めて利便性の高いコバエ防除用スプレー剤が提供される。
The spray for controlling fly fly according to the present invention thus obtained is effective immediately when sprayed against fly fly generated in the kitchen, living room, Japanese room, entrance, etc. due to the action of natural pyrethrin and specific potency-enhancing ingredients. Has a good control effect. Examples of target flies include, but are not limited to, Drosophilidae, Fleafidae, Mushroomidae, Kurobane Drosophila, Drosophila, Drosophila, Cheeseidae, and the like.
In particular, if an aqueous solution consisting of natural pyrethrin, oleic acid, fermented ethanol, and water is used, all components are naturally derived and safe, and the antibacterial effect of fermented ethanol can be expected, so it is extremely convenient. A spray for controlling fly flies is provided.
次に具体的な実施例に基づき、本発明のコバエ防除用スプレー剤について更に詳細に説明する。 Next, the spray for controlling fly fly according to the present invention will be described in more detail based on specific examples.
天然ピレトリンエキスを水性液剤全体量に対して０．４質量％（ｗ／ｖ）［有効成分として０．２質量％（ｗ／ｖ）］、オレイン酸を５．０質量％（ｗ／ｖ）、発酵エタノールを４８質量％（ｗ／ｖ）、及び水４６．６質量％（ｗ／ｖ）を含有するコバエ防除用の水性液剤を調製した。この水性液剤４５ｍＬを金属製エアゾール容器に入れ、噴射剤としてジメチルエーテル５５ｍＬを加圧充填して、エアゾール形態である本発明のコバエ防除用スプレー剤（容量：１００ｍＬ）を得た。
台所のゴミ入れまわりで飛翔するショウジョウバエを目がけて、このコバエ防除用スプレー剤を約１ｇ噴霧したところ、ショウジョウバエは直ちに動かなくなり簡単かつ確実に防除できた。本製剤は速乾性に優れ、また、いずれの成分も天然由来で人に対する安全性が高く、台所での使用に対して抵抗感がなかった。
The natural pyrethrin extract is 0.4% by mass (w / v) [0.2% by mass (w / v) as an active ingredient] and 5.0% by mass (w / v) oleic acid based on the total amount of the aqueous liquid preparation. An aqueous solution for controlling fly fly containing 48% by mass (w / v) of fermented ethanol and 46.6% by mass (w / v) of water was prepared. 45 mL of this aqueous solution was placed in a metal aerosol container, and 55 mL of dimethyl ether was pressure-filled as a propellant to obtain a spray for controlling fly fly (capacity: 100 mL) of the present invention in the form of an aerosol.
Aiming at Drosophila flying around the kitchen bin, and spraying about 1 g of this spray for controlling fruit fly, the fruit fly stopped moving immediately and could be controlled easily and reliably. This preparation was excellent in quick-drying properties, and all the ingredients were naturally derived and highly safe for humans. There was no resistance to use in the kitchen.
天然ピレトリンエキスを水性液剤全体量に対して０．６質量％（ｗ／ｖ）［有効成分として０．３質量％（ｗ／ｖ）］、オレイン酸を３．０質量％（ｗ／ｖ）、発酵エタノールを７５質量％（ｗ／ｖ）、柿抽出液０．５質量％（ｗ／ｖ）［カキタンニンとして０．０２質量％（ｗ／ｖ）］、及び水２０．９質量％（ｗ／ｖ）を含有するコバエ防除用の水性液剤を調製し、この水性液剤３５０ｍＬをプラスチック製トリガーポンプに充填して、本発明のコバエ防除用スプレー剤を得た。
このコバエ防除用スプレー剤を、リビングルームの植木鉢まわりで発生したクロバネキノコバエに対して施用したところ、実施例１と同様に優れたコバエ防除効果を示した。
The natural pyrethrin extract is 0.6% by mass (w / v) [0.3% by mass (w / v) as an active ingredient] based on the total amount of the aqueous liquid, and 3.0% by mass (w / v) oleic acid. , 75 mass% (w / v) of fermented ethanol, 0.5 mass% (w / v) of koji extract [0.02 mass% (w / v) as kakitannin], and 20.9 mass% of water ( An aqueous solution for controlling fly fly containing w / v) was prepared, and 350 mL of this aqueous solution was filled in a plastic trigger pump to obtain a spray for controlling fly fly according to the present invention.
When this spray for controlling a fly fly was applied to a black fly mushroom that was generated around a flower pot in a living room, it showed an excellent fly fly control effect as in Example 1.
実施例１に準じて、表１に示す各種コバエ防除用スプレー剤を調製し、その防除効果を評価した。なお、水性液剤以外の噴射剤や、水性液剤／噴射剤比率は実施例１と同様とし、表中の天然ピレトリンの配合量は有効成分量として示す。
［コバエ防除効果試験］
直径４０ｃｍ、高さ２０ｃｍのプラスチック製シリンダーを設置し、その内部にショウジョウバエを２０〜４０匹放ち、シリンダーの上方から供試コバエ防除用スプレー剤を約１秒噴霧した。
時間の経過に伴うノックダウン虫数を数えてＫＴ５０値を算出すると共に２４時間後の致死率を観察し、供試コバエ防除用スプレー剤のコバエ防除効果を評価した。結果を併せて表１に示した。
According to Example 1, various sprays for controlling fly fly shown in Table 1 were prepared, and their control effects were evaluated. The propellant other than the aqueous liquid and the aqueous liquid / propellant ratio are the same as in Example 1, and the blending amount of natural pyrethrin in the table is shown as the amount of active ingredient.
[Dress control effect test]
A plastic cylinder having a diameter of 40 cm and a height of 20 cm was installed, 20 to 40 Drosophila were released therein, and a spray for controlling the test fly fly was sprayed from above the cylinder for about 1 second.
The number of knockdown insects with the passage of time was counted to calculate the KT 50 value, and the lethality after 24 hours was observed to evaluate the fly fly control effect of the spray for controlling the fly fly. The results are also shown in Table 1.
試験の結果、本発明のコバエ防除用スプレー剤は、殺虫成分としての天然ピレトリン、特定の効力増強成分、低級アルコール、及び水を組み合わせた水性液剤を用いることによって、コバエ類に対して速効的な防除効果を示すことが認められた。
これに対し、効力増強成分として本発明に該当しない化合物、例えば、比較例２や比較例３のように、炭素数が８個の脂肪酸や炭素数が１４個であっても脂肪酸エステルを採用した場合には、少なくともコバエ類に対する天然ピレトリンの殺虫効力を増強しなかった。更に、比較例４や比較例５の結果を踏まえて考察するに、本発明で用いるオレイン酸の効力増強程度は、ｄ−T８０−フタルスリンの場合それ程大きくなく、天然ピレトリンとの組合わせにおいて特徴的に顕著であるといえる。
As a result of the test, the spray for controlling the fly of the present invention is effective against the fly by using an aqueous solution in which natural pyrethrin as an insecticidal component, a specific potentiating component, a lower alcohol, and water are combined. It was confirmed to show a control effect.
On the other hand, a compound that does not fall under the present invention as a potentiating component, for example, a fatty acid ester having 8 carbon atoms or 14 carbon atoms, such as Comparative Example 2 and Comparative Example 3, was used. In some cases, it did not enhance the insecticidal efficacy of natural pyrethrin against at least the fly. Further, considering the results of Comparative Example 4 and Comparative Example 5, the degree of potency enhancement of oleic acid used in the present invention is not so large in the case of d-T80-phthalthrin, and is characteristic in combination with natural pyrethrin. It can be said that it is remarkable.
本発明のコバエ防除用スプレー剤は、コバエ類だけでなく、他の屋内害虫にも適用できる可能性がある。 The spray for controlling fly of the present invention may be applicable not only to fly but also other indoor pests.
Claims (3)
3. A spray for controlling fly fly according to claim 1 or 2, wherein a propellant is added to the aqueous liquid to form an aerosol.
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| JP2020026386A (en) * | 2018-08-09 | 2020-02-20 | アース製薬株式会社 | Pest control method and pest control agent for allowing escape from nest |
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