Aerosol composition for pest control and method for pest control
The aerosol composition with momfluorothrin and pyrethroid compounds in specific ratios offers superior pest control by leveraging the synergistic effects of these ingredients, effectively managing various pest species.
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2025-08-08
- Publication Date
- 2026-03-04
AI Technical Summary
Existing aerosol compositions for pest control using pyrethroid compounds do not achieve optimal control effects against pests.
An aerosol composition containing momfluorothrin, at least one pyrethroid compound selected from metofluthrin, transfluthrin, and prallethrin, propylene carbonate, and a propellant in specific mass ratios, providing enhanced pest control efficacy.
The composition exhibits excellent control effects against a wide range of flying and crawling pests, with prolonged efficacy after application.
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Abstract
Description
[Technical Field]
[0001] The present invention relates to an aerosol composition for pest control and a method for controlling pests. [Background technology]
[0002] Conventionally, aerosol compositions for controlling pests containing pyrethroid compounds as active ingredients have been known, and for example, Patent Document 1 describes an aerosol composition containing a certain type of pyrethroid compound. [Prior art documents] [Patent documents]
[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2009-73757 Summary of the Invention [Problem to be solved by the invention]
[0004] An object of the present invention is to provide an aerosol composition for controlling pests that has excellent control effects, and a method for controlling pests. [Means for solving the problem]
[0005] The present inventors conducted research to find an aerosol composition for controlling pests that has excellent control effects, and as a result, they found that an aerosol composition containing momfluorothrin, at least one pyrethroid compound selected from the group consisting of metofluthrin, transfluthrin, and prallethrin, propylene carbonate, and a propellant in a predetermined mass ratio has excellent control effects against pests.
[0006] The present invention includes the following [1] to [6]. [1] Ingredient (a) momfluorotrin, Component (b) at least one pyrethroid compound selected from the group consisting of metofluthrin, transfluthrin, and prallethrin; Component (c) propylene carbonate, and Component (d) Propellant An aerosol composition for pest control comprising: the content of component (a) in the pest control aerosol composition is 0.010 to 0.090% by mass, the mass ratio of component (b) to component (a) (component (b) / component (a)) is 0.50 to 8.0; 1. A pest control aerosol composition, wherein the mass ratio of component (c) to component (a) (component (c) / component (a)) is 5.0 to 5.7. [2] The pest control aerosol composition according to [1], wherein the content of component (a) is 0.025 to 0.050% by mass. [3] Component (b) is metofluthrin, The pest control aerosol composition according to [1], wherein the mass ratio of component (b) to component (a) (component (b) / component (a)) is 0.50 to 4.0. [4] Component (b) is transfluthrin, The pest control aerosol composition according to [1], wherein the mass ratio of component (b) to component (a) (component (b) / component (a)) is 1.0 to 8.0. [5] Component (b) is prallethrin, The pest control aerosol composition according to [1], wherein the mass ratio of component (b) to component (a) (component (b) / component (a)) is 2.0 to 8.0. [6] A method for controlling flying or crawling pests, comprising a step of spraying the pest control aerosol composition according to any one of [1] to [5] toward a space containing flying or crawling pests or their habitats. [Effects of the Invention]
[0007] The pest control aerosol composition and pest control method of the present invention have excellent pest control effects against pests. DETAILED DESCRIPTION OF THE INVENTION
[0008] The pest control aerosol composition of the present invention (hereinafter referred to as the composition of the present invention) is used in a state filled in a pressure-resistant container.
[0009] The composition of the present invention contains momfluorothrin (CAS RN (registered trademark): 609346-29-4, sometimes referred to as component (a) in this specification), which is a known pyrethroid compound, and commercially available products can be used. Momfluorothrin can also be produced and used by the method described in JP 2004-2363 A, etc. Momfluorothrin has isomers derived from the two asymmetric carbon atoms on the cyclopropane ring and the double bond of the substituent on the cyclopropane ring. In the present invention, any active isomer containing any ratio can be used as momfluorothrin.
[0010] The composition of the present invention typically contains 0.010 to 0.090% by mass, preferably 0.025 to 0.050% by mass, of monfluorothrin relative to the total mass of the composition of the present invention. Specific monfluorothrin contents include 0.010%, 0.015%, 0.020%, 0.025%, 0.030%, 0.035%, 0.0375%, 0.040%, 0.045%, 0.050%, 0.055%, 0.060%, 0.065%, 0.070%, 0.075%, 0.080%, 0.085%, and 0.090% by mass.
[0011] The composition of the present invention contains at least one pyrethroid compound (sometimes referred to herein as component (b)) selected from the group consisting of metofluthrin, transfluthrin, and prallethrin. Metofluthrin (CAS RN (registered trademark): 240494-70-6) is a known pyrethroid compound, and commercially available products can be used. Metofluthrin can also be produced by the method described in U.S. Pat. No. 6,225,495 and the like and used. Metofluthrin has isomers derived from asymmetric carbon atoms. In the present invention, a product containing any isomer in any ratio can also be used as Metofluthrin. Transfluthrin (CAS RN (registered trademark): 118712-89-3) is a known pyrethroid compound, and commercially available products can be used. Transfluthrin can also be produced by the method described in Japanese Patent No. 2647411 and other documents. Transfluthrin has isomers derived from asymmetric carbon atoms. In the present invention, transfluthrin containing any isomers in any ratio can be used. Prallethrin (CAS RN (registered trademark): 23031-36-9) is a known pyrethroid compound, and commercially available products can be used. Prallethrin can also be produced by the method described in JP 49-54529 A and used. Prallethrin has isomers derived from asymmetric carbon atoms. In the present invention, prallethrin containing any isomers in any ratio can be used.
[0012] The composition of the present invention typically contains 0.005 to 0.72 mass%, and preferably 0.025 to 0.20 mass%, of component (b) relative to the total mass of the composition of the present invention. Specific contents of component (b) include 0.005 mass%, 0.010 mass%, 0.0125 mass%, 0.015 mass%, 0.020 mass%, 0.025 mass%, 0.050 mass%, 0.075 mass%, 0.10 mass%, 0.125 mass%, 0.15 mass%, 0.175 mass%, 0.20 mass%, 0.25 mass%, 0.30 mass%, 0.35 mass%, 0.40 mass%, 0.45 mass%, 0.50 mass%, 0.55 mass%, 0.60 mass%, 0.65 mass%, 0.70 mass%, and 0.72 mass%. When component (b) is metofluthrin, its content is usually 0.0050 to 0.36% by mass, preferably 0.0050 to 0.20% by mass, and more preferably 0.025 to 0.10% by mass relative to the total amount of the composition of the present invention. Specific examples of the metofluthrin content include 0.0050% by mass, 0.010% by mass, 0.0125% by mass, 0.025% by mass, 0.0375% by mass, 0.050% by mass, 0.075% by mass, 0.10% by mass, 0.15% by mass, 0.20% by mass, 0.25% by mass, 0.30% by mass, and 0.35% by mass. When component (b) is transfluthrin, its content is usually 0.010 to 0.72% by mass, preferably 0.010 to 0.40% by mass, and more preferably 0.050 to 0.20% by mass, relative to the total mass of the composition of the present invention. Specific transfluthrin contents include 0.010%, 0.025%, 0.050%, 0.10%, 0.15%, 0.20%, 0.30%, 0.40%, 0.50%, 0.60%, and 0.70% by mass. When component (b) is prallethrin, its content is usually 0.020 to 0.72% by mass, preferably 0.020 to 0.40% by mass, and more preferably 0.10 to 0.20% by mass, relative to the total mass of the composition of the present invention. Specific prallethrin contents include 0.020% by mass, 0.025% by mass, 0.050% by mass, 0.075% by mass, 0.10% by mass, 0.15% by mass, 0.20% by mass, 0.30% by mass, 0.40% by mass, 0.50% by mass, 0.60% by mass, and 0.70% by mass.
[0013] In the composition of the present invention, the mass ratio of component (b) to component (a) (component (b) / component (a)) is usually 0.50 to 8.0, preferably 0.50 to 4.0, and more preferably 1.0 to 4.0. Specific examples of the mass ratio of component (b) to component (a) (component (b) / component (a)) include 0.50, 0.60, 0.70, 0.75, 0.80, 0.90, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 7.5, and 8.0. When component (b) is metofluthrin, the mass ratio of component (b) to component (a) (component (b) / component (a)) is usually 0.50 to 4.0, preferably 0.50 to 2.0, and more preferably 0.50 to 1.0. When component (b) is metofluthrin, specific mass ratios of component (b) to component (a) (component (b) / component (a)) include 0.50, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, and 4.0. When component (b) is transfluthrin, the mass ratio of component (b) to component (a) (component (b) / component (a)) is usually 1.0 to 8.0, preferably 1.0 to 4.0, and more preferably 1.0 to 2.0. When component (b) is transfluthrin, specific mass ratios of component (b) to component (a) (component (b) / component (a)) include 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 5.0, 6.0, and 7.0. When component (b) is prallethrin, the mass ratio of component (b) to component (a) (component (b) / component (a)) is usually 2.0 to 8.0, preferably 2.0 to 4.0, and more preferably 3.0 to 4.0. When component (b) is prallethrin, specific mass ratios of component (b) to component (a) (component (b) / component (a)) include 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 7.5, and 8.0.
[0014] The composition of the present invention contains propylene carbonate. Propylene carbonate (sometimes referred to as component (c) in this specification) is a known compound, and commercially available products can be used.
[0015] The composition of the present invention typically contains 0.050 to 0.513 mass%, and preferably 0.125 to 0.285 mass%, of component (c) relative to the total mass of the composition of the present invention. Specific contents of component (c) include 0.050 mass%, 0.125 mass%, 0.1275 mass%, 0.13 mass%, 0.1325 mass%, 0.135 mass%, 0.14 mass%, 0.1475 mass%, 0.203 mass%, 0.25 mass%, 0.27 mass%, 0.285 mass%, and 0.50 mass%.
[0016] In the composition of the present invention, the mass ratio of component (c) to component (a) (component (c) / component (a)) is usually 5.0 to 5.7, preferably 5.1 to 5.6, and more preferably 5.2 to 5.5. Specific examples of the mass ratio of component (c) to component (a) (component (c) / component (a)) include 5.0, 5.1, 5.2, 5.3, 5.4, 5.5, 5.6, and 5.7.
[0017] The composition of the present invention contains a propellant. Examples of propellants that can be used in the present invention (sometimes referred to as component (d) in this specification) include nitrogen gas, compressed air, carbon dioxide gas, liquefied petroleum gas (LPG), and dimethyl ether. The composition of the present invention may contain only one type of propellant or two or more types of propellants. In the present invention, liquefied petroleum gas is preferred as the propellant.
[0018] The composition of the present invention contains component (d) in an amount of usually 5 to 90 mass %, preferably 15 to 80 mass %, more preferably 30 to 70 mass %, based on the total amount of the composition of the present invention.
[0019] The composition of the present invention may contain other insecticidal active ingredients to the extent that the control effect against pests is not impaired. When the composition of the present invention contains other insecticidal active ingredients, the content thereof is 0.001 to 50 mass %, preferably 0.01 to 30 mass %, more preferably 0.1 to 10 mass %, based on the total amount of the composition of the present invention.
[0020] Other insecticidal active ingredients include, for example, acrinathrin, allethrin, bifenthrin, kappa-bifenthrin, bioallethrin, bioresmethrin, cycloprothrin, cyfluthrin, beta-cyfluthrin, cyhalothrin, gamma-cyhalothrin, and lambda-cyhalothrin. hrin, cypermethrin, alpha-cypermethrin, beta-cypermethrin, theta-cypermethrin, zeta-cypermethrin, sigma-cypermethrin, cyphenothrin, deltamethrin, empenthrin, esfenvalerate, etofenprox , fenpropathrin, fenvalerate, flucythrinate, flumethrin, fluvalinate, tau-fluvalinate, halfenprox, heptafluthrin, imiprothrin, kadethrin, meperfluthrin, permethrin, phenothrin, pyrethrins, rhenofluthrin, resmethrin, silafluofen, tefluthrin, kappa-tefluthrinpyrethroids such as tefluthrin, tetramethrin, tetramethylfluthrin, tralomethrin, benfluthrin, flufenprox, flumethrin, furamethrin, profluthrin, and dimefluthrin; organic phosphorus compounds such as dichlorvos, fenitrothion, tetrachlorvinphos, fenthion, chlorpyrifos, diazinon; carbamate compounds such as propoxar, carbaryl, methoxadiazone, fenobucarb; chitin formation inhibitors such as lufenuron, chlorfluazuron, hexaflumuron, diflubenzuron, cyromazine; juvenile hormone-like substances such as pyriproxyfen, methoprene, hydroprene, fenoxycarb; acetamiprid; Examples of such insecticides include neonicotinoid compounds such as thianidine, dinotefuran, imidacloprid, nitenpyram, thiacloprid, and thiamethoxam, N-phenylpyrazole compounds such as fipronil, brofuranilide, chlorantraniliprole, cyantraniliprole, cyclaniliprole, flubendiamide, tetraniliprole, cyhalodiamide, and tetrachlorantraniliprole, etoxazole, clofentezine, and hexythiazox. Other preferred insecticidal active ingredients include fenothrin, cyphenothrin, imiprothrin, permethrin, pyrethrins, lenofluthrin, resmethrin, tetramethrin, profluthrin, dimefluthrin, and broflanilide.
[0021] The composition of the present invention may contain formulation aids to the extent that the pest control effect is not impaired. Examples of formulation aids that can be contained in the composition of the present invention include solvents, repellents, synergists, stabilizers, fragrances, etc. When the composition of the present invention contains formulation aids, the total content thereof is 0.0050 to 50 mass %, preferably 0.050 to 20 mass %, more preferably 0.10 to 10 mass %, based on the total amount of the composition of the present invention.
[0022] Examples of the solvent include alcohols such as ethanol, propanol, 2-propanol, and butanol; esters such as isopropyl myristate, hexyl laurate, isopropyl palmitate, diisopropyl adipate, dioctyl adipate, diisononyl adipate, diisodecyl adipate, triethyl acetylcitrate, tributyl acetylcitrate, triethyl citrate, dibutyl phthalate, and diisononyl phthalate; saturated hydrocarbons such as linear saturated hydrocarbons, branched saturated hydrocarbons, and alicyclic saturated hydrocarbons, aromatic hydrocarbons, ethylene carbonate, sulfolane, N,N-dimethylformamide, dimethyl sulfoxide, γ-butyrolactone, N-methyl-2-pyrrolidone, N-ethyl-2-pyrrolidone, N-octyl-2-pyrrolidone, and 1,3-dimethyl-2-imidazolidinone. When the composition of the present invention contains a solvent, the total content thereof is 1 to 60 mass %, preferably 1 to 50 mass %, more preferably 1 to 40 mass %, and even more preferably 1 to 30 mass %, based on the total amount of the composition of the present invention. Repellents include, for example, N,N-diethyl-m-toluamide, icaridin, limonene, linalool, citronellal, menthol, menthone, hinokitiol, geraniol, eucalyptol, indoxacarb, carane-3,4-diol, MGK-R-326, MGK-R-874, and BAY-KBR-3023. Examples of synergists include 5-[2-(2-butoxyethoxy)ethoxymethyl]-6-propyl-1,3-benzodioxole, N-(2-ethylhexyl)bicyclo[2.2.1]hept-5-ene-2,3-dicarboximide, octachlorodipropyl ether, isobornyl thiocyanoacetate, and N-(2-ethylhexyl)-1-isopropyl-4-methylbicyclo[2.2.2]oct-5-ene-2,3-dicarboximide. Examples of the stabilizer include phenol-based antioxidants such as 2,6-di-t-butyl-4-methylphenol.
[0023] When the composition of the present invention contains the above-mentioned other insecticidal active ingredients and / or formulation aids, the components (a), (b), (c), other insecticidal ingredients and / or formulation aids are usually mixed in advance and then placed in a pressure-resistant container. The composition of the present invention can be made into an aerosol for pest control (sometimes referred to as the present aerosol in this specification) by sealing it in a pressure-resistant container equipped with an ejection device. The spraying device is equipped with at least an aerosol valve and an actuator, and is capable of spraying the contents in a specific direction by using the pressure generated when the propellant changes state to a gas. The pressure vessel is usually a metal can, but the material of the vessel is not necessarily limited. The aerosol valve is not particularly limited, but a push-down type aerosol valve is usually used. The actuator may be a straight type or one having a mechanical break-up mechanism. The aerosol can be produced, for example, by filling a pressure-resistant container with component (a), component (b), component (c), and optionally formulation aids, attaching an aerosol valve to the container, filling the container with a propellant (component (d)) through the stem, shaking the container, and then attaching an actuator. The present aerosol preferably uses an actuator having a mechanical breakup mechanism, for example, the actuator described in JP-A-2010-235174.
[0024] One embodiment of the present invention is an aerosol composition prepared by adding Neothiosol (saturated hydrocarbon, manufactured by Chuo Kasei Co., Ltd., boiling point 225-247°C) to 0.025-0.050 parts by mass of Momfluorotrin, 0.025-0.10 parts by mass of Metofluthrin, 0.125-0.285 parts by mass of propylene carbonate, and 9.0 parts by mass of acetyl tributyl citrate to make a total of 30 parts by mass, sealing the mixture in an aerosol can, and adding 70 parts by mass of LPG (saturated vapor pressure 0.35 MPa) as the propellant gas. One embodiment of the present invention is an aerosol composition prepared by adding Neothiosol (saturated hydrocarbon, manufactured by Chuo Kasei Co., Ltd., boiling point 225-247°C) to 0.025-0.050 parts by mass of momfluorotrin, 0.050-0.2 parts by mass of transfluthrin, 0.125-0.285 parts by mass of propylene carbonate, and 9.0 parts by mass of acetyl tributyl citrate to make a total of 30 parts by mass, sealing the mixture in an aerosol can, and adding 70 parts by mass of LPG (saturated vapor pressure 0.35 MPa) as a propellant gas. One embodiment of the present invention is an aerosol composition prepared by adding Neothiosol (saturated hydrocarbon, manufactured by Chuo Kasei Co., Ltd., boiling point 225-247°C) to 0.025-0.050 parts by mass of momfluorotrin, 0.10-0.20 parts by mass of prallethrin, 0.125-0.285 parts by mass of propylene carbonate, and 9.0 parts by mass of acetyl tributyl citrate to make a total of 30 parts by mass, sealing the mixture in an aerosol can, and adding 70 parts by mass of LPG (saturated vapor pressure 0.35 MPa) as a propellant gas. One embodiment of the present invention is an aerosol composition prepared by adding Neothiosol (saturated hydrocarbon, manufactured by Chuo Kasei Co., Ltd., boiling point 225-247°C) to 0.025-0.050 parts by mass of momfluorotrin, 0.025-0.10 parts by mass of metofluthrin, 0.050-0.20 parts by mass of fenothrin, 0.125-0.285 parts by mass of propylene carbonate, and 9.0 parts by mass of acetyl tributyl citrate to make a total of 30 parts by mass, sealing the mixture in an aerosol can, and adding 70 parts by mass of LPG (saturated vapor pressure 0.35 MPa) as a propellant gas. One embodiment of the present invention is an aerosol composition prepared by adding Neothiosol (saturated hydrocarbon, manufactured by Chuo Kasei Co., Ltd., boiling point 225-247°C) to 0.025-0.050 parts by mass of momfluorotrin, 0.050-0.20 parts by mass of transfluthrin, 0.050-0.20 parts by mass of fenothrin, 0.125-0.285 parts by mass of propylene carbonate, and 9.0 parts by mass of acetyl tributyl citrate to make a total of 30 parts by mass, sealing the mixture in an aerosol can, and adding 70 parts by mass of LPG (saturated vapor pressure 0.35 MPa) as a propellant gas. One embodiment of the present invention is an aerosol composition prepared by adding Neothiosol (saturated hydrocarbon, manufactured by Chuo Kasei Co., Ltd., boiling point 225-247°C) to 0.025-0.050 parts by mass of momfluorotrin, 0.10-0.20 parts by mass of prallethrin, 0.050-0.20 parts by mass of fenothrin, 0.125-0.285 parts by mass of propylene carbonate, and 9.0 parts by mass of acetyl tributyl citrate to make a total of 30 parts by mass, sealing the mixture in an aerosol can, and adding 70 parts by mass of LPG (saturated vapor pressure 0.35 MPa) as a propellant gas. One embodiment of the present invention is an aerosol composition prepared by adding Neothiosol (saturated hydrocarbon, manufactured by Chuo Kasei Co., Ltd., boiling point 225-247°C) to 0.025-0.050 parts by mass of momfluorotrin, 0.025-0.10 parts by mass of metofluthrin, 0.050-0.20 parts by mass of cyphenothrin, 0.125-0.285 parts by mass of propylene carbonate, and 9.0 parts by mass of acetyl tributyl citrate to make a total of 30 parts by mass, sealing the mixture in an aerosol can, and adding 70 parts by mass of LPG (saturated vapor pressure 0.35 MPa) as the propellant gas. One embodiment of the present invention is an aerosol composition prepared by adding Neothiosol (saturated hydrocarbon, manufactured by Chuo Kasei Co., Ltd., boiling point 225-247°C) to 0.025-0.050 parts by mass of momfluorotrin, 0.050-0.20 parts by mass of transfluthrin, 0.050-0.20 parts by mass of cyphenothrin, 0.125-0.285 parts by mass of propylene carbonate, and 9.0 parts by mass of acetyl tributyl citrate to make a total of 30 parts by mass, sealing the mixture in an aerosol can, and adding 70 parts by mass of LPG (saturated vapor pressure 0.35 MPa) as a propellant gas. One embodiment of the present invention is an aerosol composition prepared by adding Neothiosol (saturated hydrocarbon, manufactured by Chuo Kasei Co., Ltd., boiling point 225-247°C) to 0.025-0.050 parts by mass of momfluorotrin, 0.10-0.20 parts by mass of prallethrin, 0.050-0.20 parts by mass of cyphenothrin, 0.125-0.285 parts by mass of propylene carbonate, and 9.0 parts by mass of acetyl tributyl citrate to make a total of 30 parts by mass, sealing the mixture in an aerosol can, and adding 70 parts by mass of LPG (saturated vapor pressure 0.35 MPa) as a propellant gas. One embodiment of the present invention is an aerosol composition prepared by adding Neothiosol (saturated hydrocarbon, manufactured by Chuo Kasei Co., Ltd., boiling point 225-247°C) to 0.025-0.050 parts by mass of momfluorotrin, 0.025-0.10 parts by mass of metofluthrin, 0.050-0.20 parts by mass of permethrin, 0.125-0.285 parts by mass of propylene carbonate, and 9.0 parts by mass of acetyl tributyl citrate to make a total of 30 parts by mass, sealing the mixture in an aerosol can, and adding 70 parts by mass of LPG (saturated vapor pressure 0.35 MPa) as the propellant gas. One embodiment of the present invention is an aerosol composition prepared by adding Neothiosol (saturated hydrocarbon, manufactured by Chuo Kasei Co., Ltd., boiling point 225-247°C) to 0.025-0.050 parts by mass of momfluorotrin, 0.050-0.20 parts by mass of transfluthrin, 0.050-0.20 parts by mass of permethrin, 0.125-0.285 parts by mass of propylene carbonate, and 9.0 parts by mass of acetyl tributyl citrate to make a total of 30 parts by mass, sealing the mixture in an aerosol can, and adding 70 parts by mass of LPG (saturated vapor pressure 0.35 MPa) as a propellant gas. One embodiment of the present invention is an aerosol composition prepared by adding Neothiosol (saturated hydrocarbon, manufactured by Chuo Kasei Co., Ltd., boiling point 225-247°C) to 0.025-0.050 parts by mass of momfluorotrin, 0.10-0.20 parts by mass of prallethrin, 0.050-0.20 parts by mass of permethrin, 0.125-0.285 parts by mass of propylene carbonate, and 9.0 parts by mass of acetyl tributyl citrate to make a total of 30 parts by mass, sealing the mixture in an aerosol can, and adding 70 parts by mass of LPG (saturated vapor pressure 0.35 MPa) as a propellant gas. One embodiment of the present invention is an aerosol composition prepared by adding Neothiosol (saturated hydrocarbon, manufactured by Chuo Kasei Co., Ltd., boiling point 225-247°C) to 0.025-0.050 parts by mass of momfluorotrin, 0.025-0.10 parts by mass of metofluthrin, 0.0050-0.50 parts by mass of broflanilide, 0.125-0.285 parts by mass of propylene carbonate, and 9.0 parts by mass of acetyl tributyl citrate to make a total of 30 parts by mass, sealing the mixture in an aerosol can, and adding 70 parts by mass of LPG (saturated vapor pressure 0.35 MPa) as the propellant gas. One embodiment of the present invention is an aerosol composition prepared by adding Neothiosol (saturated hydrocarbon, manufactured by Chuo Kasei Co., Ltd., boiling point 225-247°C) to 0.025-0.050 parts by mass of momfluorotrin, 0.050-0.20 parts by mass of transfluthrin, 0.0050-0.50 parts by mass of broflanilide, 0.125-0.285 parts by mass of propylene carbonate, and 9.0 parts by mass of acetyl tributyl citrate to make a total of 30 parts by mass, sealing the mixture in an aerosol can, and adding 70 parts by mass of LPG (saturated vapor pressure 0.35 MPa) as a propellant gas. One embodiment of the present invention is an aerosol composition prepared by adding Neothiosol (saturated hydrocarbon, manufactured by Chuo Kasei Co., Ltd., boiling point 225-247°C) to 0.025-0.050 parts by mass of momfluorotrin, 0.10-0.20 parts by mass of prallethrin, 0.0050-0.50 parts by mass of broflanilide, 0.125-0.285 parts by mass of propylene carbonate, and 9.0 parts by mass of acetyl tributyl citrate to make a total of 30 parts by mass, sealing the mixture in an aerosol can, and adding 70 parts by mass of LPG (saturated vapor pressure 0.35 MPa) as a propellant gas.
[0025] The method for controlling flying or crawling pests of the present invention (sometimes referred to as the method of the present invention in this specification) comprises a step of spraying the composition of the present invention toward a space containing flying or crawling pests or their habitats. The method of the present invention provides excellent control effects against a wide range of flying and crawling pests by spraying an effective amount of the composition of the present invention in mist form, and this control effect lasts for a certain period of time after spraying the composition of the present invention. The amount of the composition of the present invention to be sprayed is usually 0.001 to 1000 mg / m as the total amount of component (a) and component (b). 3 and preferably 0.001 to 100 mg / m 3 and more preferably 0.01 to 10 mg / m 3 When spraying onto a flat surface, the total amount of component (a) and component (b) is usually 0.0001 to 1000 mg / m 2 The composition of the present invention can be sprayed in any space, including indoors, living rooms, dining rooms, closets, storage closets, Japanese-style chests and other dressers, cupboards, toilets, bathrooms, storerooms, warehouses, and inside cars, and can also be sprayed in outdoor open spaces.
[0026] Examples of flying pests that can be controlled by the composition of the present invention include Culex mosquitoes such as Culex tritaeniorhynchus, Culex quinquefasciatus, Aedes mosquitoes such as Aedes aegypti and Aedes albopictus, Anopheles mosquitoes such as Anopheles sinensis, midges, house flies such as Musca domestica and Musca domestica, blow flies, flesh flies, little house flies, seed flies, onion flies, fruit flies, and stag beets. Examples include Diptera pests such as orthoptera, moth flies, horseflies, black flies, and stable flies; Lepidoptera pests such as bur moths, Japanese box moths, and Indian meal moths; Hemiptera pests such as brown marmorated stink bugs, southern green stink bugs, shiny green bugs, and German winged green bugs; and Vespidae pests such as giant hornets, Japanese hornets, small hornets, Japanese red hornets, and Japanese paper wasps. Examples of creeping pests that can be controlled by the composition of the present invention include Dictyoptera pests such as the German cockroach, the Siberian cockroach, the American cockroach, the brown cockroach, and the Asian cockroach; Cimex family pests such as the bed bug and the Nettite bug; Carpognens such as the house ant, the Argentine ant, the Japanese wood ant, and the scorpion ant; Formicidae such as the fire ant; Reduviidae family pests such as the assassin bug; Termitidae such as the Reticulitermes speratus and the Formosan termite; Phlebitis family pests such as the human flea and the cat flea; Pedicidae such as the head louse; and Pedicidae such as the pubic louse. Examples include the family Ixodidae such as Haemaphysalis longicornis, the family Acaridae such as Tyrophagus putrescentiae, the family Pyrididae such as Dermatophagoides farinae and Dermatophagoides pteronyssinus, the family Cheyletidae such as Mollusca punctata, the family Scarabaeidae such as Trombiculidae such as Leptotrombidium kaempferi, the family Chiropteridae such as Chiropteridae such as Chiropteridae, the family Theridiidae such as Latrodectus redback, the family Millipedeidae such as Leptotrombidium vulgare, the family Siberidae such as House centipedes, the family Centipedidae such as House centipedes, the family Issun centipede such as Issun centipede, the family Slugidae such as Brown slug, and the family Slugidae such as Slugs. [Example]
[0027] The present invention will be explained in more detail below by way of examples such as production examples and test examples, but the present invention is not limited to these examples.
[0028] First, an example of the production of a pest control aerosol containing the composition of the present invention will be described. In this regard, "parts" means parts by mass.
[0029] Formulation Examples 1-6 Components (a), (b), (c) and fenothrin were dissolved in a mixture of acetyl tributyl citrate and neothiosol (saturated hydrocarbon, manufactured by Chuo Kasei Co., Ltd., boiling point 225-247°C) so as to obtain the composition shown in Table 1, and the solution was placed in an aerosol container (AE180WON WD / WNWN manufactured by Toyo Seikan Co., Ltd.), a valve (manufactured by Japan Precision Valve) was attached to the aerosol container, and liquefied petroleum gas (saturated vapor pressure 0.35 MPa) was filled as component (d) through the valve, to obtain aerosols 1 to 6.
[0030] [Table 1]
[0031] Formulation Examples 7-17 Components (a), (b), and (c) were dissolved in a mixture of acetyl tributyl citrate and Neothiosol (saturated hydrocarbon, manufactured by Chuo Kasei Co., Ltd., boiling point 225-247°C) so as to obtain the compositions shown in Tables 2 and 3, and the solution was placed in an aerosol container (AE180WON WD / WNWN manufactured by Toyo Seikan Co., Ltd.), a valve (manufactured by Japan Precision Valve) was attached to the aerosol container, and LPG was filled as component (d) through the valve, thereby obtaining aerosols 7 to 17.
[0032] [Table 2]
[0033] [Table 3]
[0034] Formulation Examples 18-20 Components (a), (b), and (c) were dissolved in a mixture of acetyl tributyl citrate and neothiosol (saturated hydrocarbon, manufactured by Chuo Kasei Co., Ltd., boiling point 225-247°C) so as to obtain the composition shown in Table 4, and the solution was placed in an aerosol container (AE180WON WD / WNWN manufactured by Toyo Seikan Co., Ltd.), a valve (manufactured by Japan Precision Valve) was attached to the aerosol container, and liquefied petroleum gas (saturated vapor pressure 0.35 MPa) was filled as component (d) through the valve, yielding aerosols 18 to 20.
[0035] [Table 4]
[0036] Comparative Formulation Examples 1 to 10 Components (a), (b), and (c) were dissolved in a mixture of acetyl tributyl citrate and neothiosol (saturated hydrocarbon, manufactured by Chuo Kasei Co., Ltd., boiling point 225-247°C) so as to obtain the compositions shown in Tables 5 and 6, and the solution was placed in an aerosol container (AE180WON WD / WNWN manufactured by Toyo Seikan Co., Ltd.), a valve (manufactured by Japan Precision Valve) was attached to the aerosol container, and liquefied petroleum gas (saturated vapor pressure 0.35 MPa) was filled as component (d) through the valve to obtain comparative aerosols 1 to 10.
[0037] [Table 5]
[0038] [Table 6]
[0039] Test Example 1 (Culex pipiens Piet Grady chamber free-fly test) Fifty adult female Culex pipiens mosquitoes were released into a cubic chamber measuring 180 cm on each side. Approximately 650 mg of each of the present aerosols 1 to 6 was sprayed into each chamber through a small window on the side of the chamber. After 15 minutes, the number of knocked-down insects was counted and the knock-down rate ((number of knocked-down insects / number of test insects) x 100) was calculated. The knock-down rates for the present aerosols 1 to 6 were 98%, 96%, 100%, 92%, 93%, and 90%, respectively, confirming the excellent effectiveness of the present aerosols.
[0040] Test Example 2 (Culex pipiens glass chamber cup test) Ten adult female Culex pipiens mosquitoes are released into a polyethylene cup (bottom diameter 10.6 cm, top diameter 12 cm, height 7 cm) and covered with 16-mesh nylon gauze. The cup containing the Culex pipiens mosquitoes is placed in the center of the bottom of a cubic chamber with sides of 70 cm. Approximately 100 mg of each of Aerosols 1 to 20 is sprayed into each chamber through a small window located in the center of the front side of the chamber. After a certain period of time, the number of insects knocked down is counted and the knockdown rate is calculated. The excellent effectiveness of Aerosols 1 to 20 is confirmed.
[0041] Test Example 3 (Culex pipiens glass chamber cup test) Ten adult female Culex pipiens mosquitoes are released into polyethylene cups (10.6 cm diameter at the bottom, 12 cm diameter at the top, 7 cm height) and covered with 16-mesh nylon gauze. Approximately 100 mg of each of Aerosols 1 to 20 is sprayed into each cubic chamber, 70 cm on a side, through a small window located in the center of the front side of the chamber. After a certain period of time, the cups containing the Culex pipiens mosquitoes are placed in the center of the bottom of the chamber, and the number of insects knocked down after the specified time has passed is counted to determine the knockdown rate. The excellent effectiveness of Aerosols 1 to 20 is confirmed.
[0042] Test Example 4 (Culex pipiens glass chamber free fly test) Ten adult female Culex pipiens mosquitoes are released into a cubic chamber measuring 70 cm on each side. Approximately 100 mg of each of the present aerosols 1 to 20 is sprayed into each chamber through a small window located in the center of the front side of the chamber. After a certain period of time, the number of insects knocked down is counted and the knockdown rate is calculated. The excellent effectiveness of the present aerosols 1 to 20 is confirmed.
[0043] Test Example 5 (Culex pipiens glass chamber free fly test) Approximately 100 mg of each of the aerosols 1 to 20 is sprayed into each chamber through a small window located in the center of the front side of a cubic chamber with sides of 70 cm. After a certain period of time, 10 adult female Culex pipiens mosquitoes are released. The number of knocked-down insects is counted after the specified time has passed, and the knock-down rate is calculated. The excellent effectiveness of the aerosols 1 to 20 is confirmed.
[0044] Test Example 6 (Culex pipiens peat grady chamber cup test) Ten adult female Culex pipiens mosquitoes are released into polyethylene cups (bottom diameter 10.6 cm, top diameter 12 cm, height 7 cm) and covered with 16-mesh nylon gauze. The cups containing the Culex pipiens mosquitoes are placed on the floor of a cubic chamber with sides of 180 cm. Approximately 650 mg of each of Aerosols 1 to 20 is sprayed into each chamber through a small window on the side of the chamber. After a certain period of time, the number of insects knocked down is counted and the knockdown rate is calculated. The excellent effectiveness of Aerosols 1 to 20 is confirmed.
[0045] Test Example 7 (Culex pipiens peat grady chamber cup test) Ten adult female Culex pipiens mosquitoes are released into polyethylene cups (bottom diameter 10.6 cm, top diameter 12 cm, height 7 cm) and covered with 16-mesh nylon gauze. Approximately 650 mg of each of Aerosols 1 to 20 is sprayed into each cubic chamber with sides of 180 cm. After a set time, the cups containing the Culex pipiens mosquitoes are placed in the center of the bottom of the chamber, and the number of insects knocked down after the set time has passed is counted to determine the knockdown rate. The excellent effectiveness of Aerosols 1 to 20 is confirmed.
[0046] Test Example 8 (Culex pipiens Piet Grady chamber free-fly test) Fifty adult female Culex pipiens mosquitoes are released into a cubic chamber measuring 180 cm on each side. Approximately 650 mg of each of the aerosols 1 to 20 is sprayed into each chamber through a small window on the side of the chamber. After a certain period of time, the number of insects knocked down is counted and the knockdown rate is calculated. The excellent effectiveness of the aerosols 1 to 20 is confirmed.
[0047] Test Example 9 (Culex pipiens Piet Grady chamber free-fly test) Approximately 650 mg of each of the aerosols 1 to 20 was sprayed into each cubic chamber measuring 180 cm on each side through a small window on the side. After a certain period of time, 50 adult female Culex pipiens mosquitoes were released into the chamber, and the number of knocked-down insects was counted after the specified time had passed to determine the knock-down rate. The excellent effectiveness of the aerosols 1 to 20 was confirmed.
[0048] Test Example 10 (Small cockroach spray test) Six adult Smoky brown cockroaches (3 males and 3 females) were released into a test container (cylindrical, 13 cm diameter, 7 cm height) with buttered interior walls, and the container was placed at the bottom of a test chamber (bottom: 46 cm x 46 cm, height: 70 cm). Approximately 1000 mg of each of the present aerosols 1 to 20 was sprayed into each chamber from a height of 60 cm above the top of the container. 30 seconds after spraying, the container was removed from the test chamber, and the number of insects knocked down after a set time was counted to determine the knockdown rate. The excellent effectiveness of the present aerosols 1 to 20 was confirmed.
[0049] Test Example 11 (German cockroach spray test) Ten adult German cockroaches (five males and five females) were released into a test container (cylindrical, 13 cm in diameter, 7 cm in height) with buttered interior walls, and the container was placed at the bottom of a test chamber (bottom: 46 cm x 46 cm, height: 70 cm). Approximately 200 mg of each of the present aerosols 1 to 20 was sprayed into each chamber from a height of 60 cm above the top of the container. 30 seconds after spraying, the container was removed from the test chamber, and the number of insects knocked down after a set time was counted to determine the knockdown rate. The excellent effectiveness of the present aerosols 1 to 20 was confirmed.
[0050] Test Example 12 (Culex pipiens glass chamber cup test) Ten adult female Culex pipiens mosquitoes were released into polyethylene cups (10.6 cm diameter at the bottom, 12 cm diameter at the top, 7 cm height) and covered with 16-mesh nylon gauze. The cups containing the mosquitoes were placed in the center of the bottom of a 70 cm-sided cubic chamber. Approximately 100 mg of each of the present aerosols 9 and 10 and the comparative aerosols 3 and 4 was sprayed into each chamber through a small window located in the center of the front side of the chamber. After 10 minutes, the number of insects knocked down was counted and the knockdown rate was calculated. The knockdown rates for the present aerosols 9 and 10 were 90% and 90%, respectively, and for the comparative aerosols 3 and 4, 40% and 10%, respectively, confirming the superior efficacy of the present aerosols 9 and 10.
[0051] Test Example 13 (Culex pipiens glass chamber cup test) Ten adult female Culex pipiens mosquitoes were released into polyethylene cups (bottom diameter 10.6 cm, top diameter 12 cm, height 7 cm) and covered with 16-mesh nylon gauze. The cups containing the Culex pipiens mosquitoes were placed in the center of the bottom of a cubic chamber with sides of 70 cm. Approximately 100 mg of this aerosol 13 and comparative aerosols 5 and 6 were sprayed into each chamber through a small window located in the center of the front side of the chamber. The number of insects knocked down after 12 minutes was counted to determine the knockdown rate. The knockdown rate for this aerosol 13 was 80%, while that for comparative aerosols 5 and 6 was 10% and 40%, respectively, confirming the superior effect of this aerosol 13.
[0052] Test Example 14 (Culex pipiens glass chamber cup test) Ten adult female Culex pipiens mosquitoes were released into polyethylene cups (bottom diameter 10.6 cm, top diameter 12 cm, height 7 cm) and covered with 16-mesh nylon gauze. The cups containing the Culex pipiens mosquitoes were placed in the center of the bottom of a cubic chamber with sides of 70 cm. Approximately 100 mg of this aerosol 11 and comparative aerosols 1 and 2 were sprayed into each chamber through a small window located in the center of the front side of the chamber. The number of insects knocked down after 12 minutes was counted and the knockdown rate was calculated. The knockdown rate for this aerosol 11 was 100%, while that for comparative aerosols 1 and 2 was 30% and 10%, respectively, confirming the excellent effect of this aerosol 11.
[0053] Test Example 15 (Culex pipiens glass chamber cup test) Ten adult female Culex pipiens mosquitoes were released into polyethylene cups (bottom diameter 10.6 cm, top diameter 12 cm, height 7 cm) and covered with 16-mesh nylon gauze. The cups containing the Culex pipiens mosquitoes were placed in the center of the bottom of a cubic chamber with sides of 70 cm. Approximately 100 mg of this aerosol 15 and comparative aerosol 8 were sprayed into each chamber through a small window located in the center of the front side of the chamber. After 18 minutes, the number of insects knocked down was counted and the knockdown rate was calculated. The knockdown rate for this aerosol 15 was 80%, while that for comparative aerosol 8 was 30%, confirming the superior effect of this aerosol 15.
[0054] Test Example 16 (Culex pipiens glass chamber cup test) Ten adult female Culex pipiens mosquitoes were released into polyethylene cups (bottom diameter 10.6 cm, top diameter 12 cm, height 7 cm) and covered with 16-mesh nylon gauze. The cups containing the Culex pipiens mosquitoes were placed in the center of the bottom of a cubic chamber with sides of 70 cm. Approximately 100 mg of this aerosol 14 and comparative aerosol 7 were sprayed into each chamber through a small window located in the center of the front side of the chamber. After 10 minutes, the number of insects knocked down was counted and the knockdown rate was calculated. The knockdown rate for this aerosol 14 was 100%, while that for comparative aerosol 7 was 40%, confirming the superior effect of this aerosol 14.
[0055] Test Example 17 (Culex pipiens glass chamber cup test) Ten adult female Culex pipiens mosquitoes were released into polyethylene cups (bottom diameter 10.6 cm, top diameter 12 cm, height 7 cm) and covered with 16-mesh nylon gauze. The cups containing the Culex pipiens mosquitoes were placed in the center of the bottom of a cubic chamber with sides of 70 cm. Approximately 100 mg of this aerosol 18 and comparative aerosol 10 were sprayed into each chamber through a small window located in the center of the front side of the chamber. After 10 minutes, the number of insects knocked down was counted and the knockdown rate was calculated. The knockdown rate for this aerosol 18 was 100%, while that for comparative aerosol 10 was 50%, confirming the superior effect of this aerosol 18.
[0056] Test Example 18 (Culex pipiens glass chamber cup test) Ten adult female Culex pipiens mosquitoes were released into a polyethylene cup (bottom diameter 10.6 cm, top diameter 12 cm, height 7 cm) and the cup was covered with 16-mesh nylon gauze. The cup containing the Culex pipiens mosquitoes was placed at the center of the bottom of a cubic chamber with sides of 70 cm. Approximately 100 mg of this Aerosol 19 was sprayed into the chamber through a small window located in the center of the front side of the chamber. After 6 minutes, the number of insects knocked down was counted and the knockdown rate was calculated. The knockdown rate of this Aerosol 19 was 70%, confirming the excellent effect of this Aerosol 19.
[0057] Test Example 19 (Culex pipiens glass chamber cup test) Ten adult female Culex pipiens mosquitoes were released into a polyethylene cup (bottom diameter 10.6 cm, top diameter 12 cm, height 7 cm) and the cup was covered with 16-mesh nylon gauze. The cup containing the Culex pipiens mosquitoes was placed in the center of the bottom of a cubic chamber with sides of 70 cm. Approximately 100 mg of this aerosol 20 was sprayed into the chamber through a small window located in the center of the front side of the chamber. After 8 minutes, the number of insects knocked down was counted and the knockdown rate was calculated. The knockdown rate of this aerosol 20 was 100%, confirming the excellent effect of this aerosol 20.
[0058] Test Example 20 (Small cockroach spray test) Six adult Smoky brown cockroaches (3 males and 3 females) were released into a test container (cylindrical, 13 cm diameter, 7 cm height) with buttered interior walls. The container was then placed at the bottom of a test chamber (base: 46 cm x 46 cm, height: 70 cm). Approximately 1000 mg of Aerosol 17 and Comparative Aerosol 9 were sprayed into each chamber from a height of 60 cm above the top of the container. The container was removed from the test chamber 30 seconds after spraying, and the number of knocked-down insects was counted 7 minutes later to determine the knock-down rate. The knock-down rate for Aerosol 17 was 67%, compared with 33% for Comparative Aerosol 9, confirming the superior efficacy of Aerosol 17. [Industrial Applicability]
[0059] According to the present invention, it is possible to provide an aerosol composition for pest control and a method for controlling pests that have an excellent pest control effect against pests.
Claims
1. Component (a) momfluorotrin, Component (b) at least one pyrethroid compound selected from the group consisting of metofluthrin, transfluthrin, and prallethrin; Component (c) propylene carbonate, and Component (d) Propellant An aerosol composition for pest control comprising: the content of component (a) in the pest control aerosol composition is 0.010 to 0.090% by mass, the mass ratio of component (b) to component (a) (component (b) / component (a)) is 0.50 to 8.0; An aerosol composition for controlling pests, wherein the mass ratio of component (c) to component (a) (component (c) / component (a)) is 5.0 to 5.
7.
2. 2. The pesticidal aerosol composition according to claim 1, wherein the content of component (a) is 0.025 to 0.050% by mass.
3. Component (b) is metofluthrin, 2. The pesticidal aerosol composition according to claim 1, wherein the mass ratio of component (b) to component (a) (component (b) / component (a)) is 0.50 to 4.
0.
4. Component (b) is transfluthrin, 2. The pesticidal aerosol composition according to claim 1, wherein the mass ratio of component (b) to component (a) (component (b) / component (a)) is 1.0 to 8.
0.
5. Component (b) is prallethrin, 2. The pesticidal aerosol composition according to claim 1, wherein the mass ratio of component (b) to component (a) (component (b) / component (a)) is 2.0 to 8.
0.
6. A method for controlling flying or crawling pests, comprising a step of spraying the pest control aerosol composition according to any one of claims 1 to 5 toward a space containing flying or crawling pests or their habitats.
Citation Information
Patent Citations
Composition for insecticide, and insecticide
JP2009073757A