JPH10101510A - Insecticidal and acaricidal composition - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain the subject composition capable of simultaneously controlling cockroaches and various acarids in houses, by making the composition include a specific compound and a pyrethroid compound as active ingredients. SOLUTION: This insecticidal and acaricidal composition contains (A) 4- bromo-2-(4-chlorophenyl)-1-ethoxymethyl-5-trifluoromethylpyrrole-3-car bonitrile and (B) a pyrethroid compound, preferably in (99:1) to (5:95) weight ratio. Furthermore, the composition B is preferably one or more kinds of compounds selected from phenothrin, cyphenothrin, permethrin, ethofenprox and silafluofen.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an insecticide, an acaricide composition and an insecticide and acaricide method particularly suitable for controlling sanitary pests such as cockroaches and indoor mites, and wood pests such as termites. is there.

[0002]

Conventionally, various insecticides have been developed, but it is difficult to control cockroaches, which are representatives of sanitary pests, and at present, sufficient cockroaches have not yet been controlled. is there. Further, in recent years, since various types of damage by indoor ticks have increased, development of an insecticidal and acaricide composition capable of simultaneously controlling cockroaches and various types of indoor ticks has been desired.

[0003]

SUMMARY OF THE INVENTION The present invention provides 4-bromo-
2- (4-chlorophenyl) -1-ethoxymethyl-5
-An insecticide containing trifluoromethylpyrrole-3-carbonitrile and a pyrethroid compound as active ingredients;
Treating the acaricide composition and 4-bromo-2- (4-chlorophenyl) -1-ethoxymethyl-5-trifluoromethylpyrrole-3-carbonitrile and the pyrethroid compound on the pest or the habitat of the pest The present invention provides a method for killing insects and killing mites. The composition and the method are extremely effective for controlling sanitary insect pests, particularly cockroaches and indoor mites. Further, the compositions and methods of the present invention are very effective in controlling wood pests such as termites.

[0004] 4-bromo-2- (4-chlorophenyl)
-1-Ethoxymethyl-5-trifluoromethylpyrrole-3-carbonitrile is described in The Pesticide Manual No. 10.
Edition, pages 7-8 (The British Crop Protection Counci
l) The compounds described in JP-A-1-10404
It can be manufactured in accordance with the description in JP-A No. 2 (KOKAI) No.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION The pyrethroid compounds used in the present invention include, for example, phenothrin, cyphenothrin, permethrin, cypermethrin, deltamethrin, cyhalothrin, cyfluthrin, acrinathrin, framethrin, resmethrin, praletrin, allethrin, fenvalerate, etofenprox. , Silafluofen, fluvalinate, flucitrinate, tetramethrin, imiprosulin, transfluthrin, empentrin, bifenthrin, 3- (4-ethoxyphenyl) -3-methyl-6- (4-fluoro-3-phenoxyphenyl) hexa-1 -In and the like.

In the insecticidal and acaricide composition of the present invention,
The mixing ratio of 4-bromo-2- (4-chlorophenyl) -1-ethoxymethyl-5-trifluoromethylpyrrole-3-carbonitrile and the pyrethroid compound is usually 99: 1 to 5:95 by weight, Preferably 99: 1
-10: 90. In particular, when the pyrethroid compound is phenothrin, cyphenothrin, permethrin, cypermethrin, etofenprox or silafluofen, 4-bromo-2- (4-chlorophenyl) -1-ethoxymethyl-5-trifluoromethylpyrrole-3-. The mixing ratio of the carbonitrile and the pyrethroid compound makes it possible to control sanitary pests and wood pests more efficiently by an excellent synergistic effect.
It is preferably in the range of 90 (weight ratio), and more preferably 90: 1
It is more preferably in the range of 0 to 50:50 (weight ratio).

The insecticidal and acaricide composition of the present invention has excellent insecticidal and acaricidal activity against various pests.
Cockroaches such as German cockroaches, black cockroaches, brown cockroaches, brown cockroaches, and cockroach cockroaches, indoor mites such as Acarina mites, Dermatophagoides farinae, southern mites, fleas such as cat fleas, mosquitoes such as Aedes albopictus, and flies such as house flies such as house flies, and house fly mosquitoes such as house flies, and house fly mosquitoes such as house flies. , Termites such as Japanese termites, American termites, terrestrial termites, Taiwan termites, bark beetles, beetles, weevil, stag beetles, live log pests such as wasps, etc., and dry harmful insects such as leaf beetles, beetle beetles, house broom beetles, and house beetles. It can be used very effectively in controlling wood pests. In addition, the insecticidal and acaricide compositions of the present invention include a moth, a green beetle, a tossed beetle, a southern thrips, a yellow leafhopper, a yellow leafy weevil, a rice water weevil, a beetle, a red flea beetle, a spider mite,
It is also effective in controlling agricultural pests such as ticks.

The insecticidal and acaricide composition of the present invention usually comprises
It can be obtained by mixing the active ingredient compound with a solid carrier or a liquid carrier, and adding a surfactant or other auxiliary agent for formulation as necessary. Further, the active ingredient compound or a liquid material containing the active ingredient compound may be impregnated into a base material such as a mosquito coil and a mosquito coil mat. The insecticidal and acaricide compositions of the present invention thus obtained are used as oils, emulsions, wettable powders, flowables such as suspensions and emulsions in water, granules, powders, aerosols, and electric mosquito coils. Heat fumigants such as mats and mosquito liquids, mosquito coils, self-combustion type smokers, chemical reaction type smokers, electric heat type smokers, etc., fogging and other fog agents, ULV agents, etc. In the form of a preparation. These preparations usually contain the active ingredient compound in a total amount of 0.001 to 95% by weight.

Examples of the solid carrier used in the formulation include clays (kaolin clay, diatomaceous earth, bentonite, fubasami clay, acid clay, etc.), synthetic hydrous silicon oxide, talcs, ceramics, and other inorganic minerals (cellulose). Site, quartz, sulfur, activated carbon, calcium carbonate, etc.) and fine powders and granular materials such as chemical fertilizers (ammonium sulfate, ammonium phosphate, ammonium nitrate, urea, salt ammonium, etc.). Examples of the liquid carrier include water,
Alcohols (methanol, ethanol, etc.), ketones (acetone, methyl ethyl ketone, cyclohexanone, etc.), aromatic hydrocarbons (toluene, xylene, ethylbenzene, methylnaphthalene, etc.), non-aromatic hydrocarbons (hexane, cyclohexane, kerosene, Light oils, etc.), esters (ethyl acetate, butyl acetate, etc.), nitriles (acetonitrile, isobutyronitrile, etc.), ethers (diisopropyl ether, dioxane, etc.), acid amides (N, N-dimethylformamide, N, N-dimethylacetamide, etc.), halogenated hydrocarbons (dichloromethane, trichloroethane, carbon tetrachloride, etc.), dimethyl sulfoxide, vegetable oil (soybean oil, cottonseed oil, etc.) and the like. If necessary, the composition can be formulated by adding a propellant such as butane gas, liquefied petroleum gas, dimethyl ether, carbon dioxide gas and the like.

Examples of the surfactant include alkyl sulfates, alkyl sulfonates, alkyl aryl sulfonates, alkyl aryl ethers and polyoxyethylenates thereof, polyethylene glycol ethers, polyhydric alcohol esters, sugar alcohols Derivatives and the like. Examples of other auxiliaries for preparations such as fixing agents and dispersants include casein, gelatin, saccharides (starch, gum arabic, cellulose derivatives, alginic acid, etc.), lignin derivatives, bentonite, synthetic water-soluble polymers (polyvinyl alcohol, polyvinyl alcohol) Pyrrolidone, polyacrylic acids and the like). Further, PAP (acidic isopropyl phosphate), BHT (2,6-di-tert-butyl-4-methylphenol), BHA (2-tert-butyl-4-methoxyphenol and 3-tert-butyl-4-methoxyphenol) Phenols), vegetable oils, mineral oils, fatty acids, fatty acid esters, and other stabilizing agents are also used as pharmaceutical auxiliaries.

As the base material of the mosquito coil, for example, a mixture of a vegetable powder such as wood flour and lees flour and a binder such as tub flour, starch and gluten is used. As the base material of the electric mosquito collecting mat, for example, a material obtained by solidifying fibrils of cotton linter or a mixture of cotton linter and pulp in a plate shape is used. Examples of the base material of the self-burning type smoke agent include combustion exothermic agents such as nitrates, nitrites, guanidine salts, potassium chlorate, nitrocellulose, ethylcellulose, wood flour, alkali metal salts, dichromates, and chromates. Thermal decomposition stimulants such as, oxygen supply agents such as potassium nitrate,
Mixtures of flaming agents such as melamine and wheat starch, fillers such as diatomaceous earth, and binders such as synthetic paste are used. Examples of the base material of the chemical reaction type smoke agent include exothermic agents such as sulfides, polysulfides, hydrosulfides, hydrated salts and calcium oxide of alkali metals, and catalyst agents such as carbonaceous materials, iron carbide and activated clay. ,
A mixture of an organic blowing agent such as azodicarbonamide, benzenesulfonylhydrazide, dinitrosopentamethylenetetramine, polystyrene, polyurethane, and a filler such as natural fiber pieces is used.

Flowable agents such as suspensions in water and emulsions in water generally contain 1 to 75% by weight of an active ingredient compound,
15% by weight of a suspending aid (for example, a substance capable of imparting a protective colloid or thixotropic property), 0 to 10% by weight of an auxiliary (for example, an antifoaming agent, a rust preventive, a stabilizer, a spreading agent, a penetration aid) , An antifreezing agent, a preservative, an antifungal agent, etc.). By using an oil in which the active ingredient compound hardly dissolves instead of water, a suspension in oil can be obtained. Examples of the protective colloid include gelatin, casein, gums, cellulose ethers, and polyvinyl alcohol. Examples of the substance capable of imparting thixotropic properties include bentonite, aluminum magnesium silicate, xanthan gum, and polyacrylic acid.

The insecticidal and acaricide composition of the present invention thus obtained comprises an oil, an aerosol, a fumigant, a smoker,
In the case of fogging agents, ULV agents and the like, they are usually applied as they are, and in the case of emulsions, wettable powders, flowables and the like, they are usually diluted with water or the like. Upon dilution, the concentration is generally such that the active ingredient compound is contained in an amount of about 1 to 10,000 ppm by weight. The insecticide of the present invention, the application rate of the acaricide composition, the type of pests to be controlled, the type of formulation, the place of application, the application method and the like, generally, 0.0001 to 10 in terms of the amount of the active ingredient compound.
g / m ² , in particular, when controlling cockroaches, the insecticidal and acaricide compositions of the present invention formulated in oils or aerosols have an amount of the active ingredient compound per m ^{2 of} about
The insecticidal and acaricide composition of the present invention, which is sprayed in an amount of 0.001 to 1 g or formulated in a heat fumigant or a heat fumigant, is used in an amount of about 0.0001 to 1 in terms of the amount of the active ingredient compound per m ³ .
It is effective to evaporate g before use. When controlling termites, the insecticide and acaricide compositions of the present invention formulated in oils, emulsions, flowables, microfupselled preparations, etc. are expressed in an amount of the active ingredient compound per m ^{2 of} about
0.01 to 100 g of spraying from about 0.01 to 100 g in the active ingredient compound doses or timber 1 m ² per spraying the soil to the wood surface.

In the method for killing insects and mites of the present invention, 4
It is preferable to use the insecticidal and acaricidal composition of the present invention, which is a mixture of -bromo-2- (4-chlorophenyl) -1-ethoxymethyl-5-trifluoromethylpyrrole-3-carbonitrile and a pyrethroid compound. Convenient, but
Each active ingredient compound or a preparation thereof can be used in combination in a method suitable for each.

[0015]

EXAMPLES The present invention will be described in more detail with reference to formulation examples and test examples, but the present invention is not limited to these examples. Formulation Example 1 d-phenothrin [3-phenoxybenzyl (1R)
-Cis, trans-chrysanthemate] 0.5 parts by weight, 4
-Bromo-2- (4-chlorophenyl) -1-ethoxymethyl-5-trifluoromethylpyrrole-3-carbonitrile 0.1 part by weight, Isopar M (aliphatic hydrocarbon manufactured by Exxon Chemical) 49.7 parts by weight and chlorocene Nu (Dow 49.7 parts by weight of a chlorinated hydrocarbon (chemically produced chlorinated hydrocarbon) are mixed to obtain an oil solution which is the insecticidal and acaricide composition of the present invention.

Formulation Example 2 1 part by weight of d-phenothrin, 0.1 part by weight of 4-bromo-2- (4-chlorophenyl) -1-ethoxymethyl-5-trifluoromethylpyrrole-3-carbonitrile, Is
By mixing 49.45 parts by weight of opar M and 49.45 parts by weight of chlorocene Nu, an oil which is the insecticidal and acaricide composition of the present invention is obtained.

Formulation Example 3 Cyphenothrin [α-cyano-3-phenoxybenzyl (1R) -cis, trans-chrysanthemate] 0.5
Parts by weight, 4-bromo-2- (4-chlorophenyl) -1
-Ethoxymethyl-5-trifluoromethylpyrrole-
0.1 parts by weight of 3-carbonitrile and 99.4 parts by weight of kerosene are mixed to obtain an oil solution which is the insecticidal and acaricide composition of the present invention.

Formulation Example 4 1 part by weight of d-phenothrin, 0.1 part by weight of 4-bromo-2- (4-chlorophenyl) -1-ethoxymethyl-5-trifluoromethylpyrrole-3-carbonitrile and 98.9 parts by weight of diesel oil Are mixed to obtain an oil solution which is the insecticidal and acaricide composition of the present invention.

Formulation Example 5 In Formulation Example 3, permethrin [3-phenoxybenzyl 2,2-dimethyl-3-) was used instead of cyphenothrin.
Except for using (2,2-dichlorovinyl) cyclopropanecarboxylate], an oil solution that is the insecticidal and acaricidal composition of the present invention is obtained in the same manner as in Preparation Example 3.

Formulation Example 6 In Formulation Example 3, cypermethrin [α-cyano-3-phenoxybenzyl 2,2-
Except for using [dimethyl-3- (2,2-dichlorovinyl) cyclopropanecarboxylate], an oil solution which is an insecticidal and acaricidal composition of the present invention is obtained in the same manner as in Preparation Example 3.

Formulation Example 7 1 part by weight of tetramethrin, 5 parts by weight of 4-bromo-2- (4-chlorophenyl) -1-ethoxymethyl-5-trifluoromethylpyrrole-3-carbonitrile, Isopar
M (Exxon Chemical's saturated hydrocarbon-based solvent) (84.6 parts by weight) and chlorocene Nu (Dow Chemical's 1,1,1-trichloroethane) (9.4 parts by weight) were mixed to obtain an oil agent as the insecticidal and acaricide composition of the present invention. obtain.

Formulation Example 8 3 parts by weight of imiprosulin, 5 parts by weight of 4-bromo-2- (4-chlorophenyl) -1-ethoxymethyl-5-trifluoromethylpyrrole-3-carbonitrile, 20 parts by weight of isopropyl myristate, 10 parts by weight of Reodol SP-L10 (Sorbitan monolaurate manufactured by Kao) and 62 parts by weight of neothiozole were mixed. 10 parts by weight of the obtained mixture and 50 parts by weight of deionized water are placed in an aerosol container, and a valve is attached to the aerosol container. To obtain an aqueous aerosol which is an insecticidal and acaricide composition.

Formulation Example 9 0.1 part by weight of imiprosulin, 0.3 part by weight of 4-bromo-2- (4-chlorophenyl) -1-ethoxymethyl-5-trifluoromethylpyrrole-3-carbonitrile, soft alkylbenzene (solvent manufactured by Mitsubishi Chemical Corporation) ) 19.6 parts by weight and IsoparM (Saturated hydrocarbon solvent manufactured by Exxon Chemical) 40
Parts by weight, put in an aerosol container, attach a valve to the aerosol container, and pressurize and fill 40 parts by weight of liquefied petroleum gas through the valve portion to provide the insecticidal and acaricide composition of the present invention. Obtain an oily aerosol.

Formulation Example 10: 5 parts by weight of permethrin, 5 parts by weight of 4-bromo-2- (4-chlorophenyl) -1-ethoxymethyl-5-trifluoromethylpyrrole-3-carbonitrile, and Newcalgen KH-13 (Takemoto 10 parts by weight of a surfactant made of oil and fat and 80 parts by weight of Solvesso 150 (an aromatic solvent manufactured by Exxon Chemical) are mixed to obtain an emulsion which is the insecticidal and acaricidal composition of the present invention.

Test Example 1 A triangular shelter (five 15 cm long and 3.5 cm wide three-ply plywood combined with three female adults of the German cockroach) was placed at two corners corresponding to both ends of a diagonal line on a 28 m ³ indoor floor. ) Were installed respectively. On the other hand, a ceramic (4 cm × 4 cm) coated with an acetone solution of each specimen was used.
× 1.2cm) at the center of the room, and use an electric heater (S)
-Α-cyano-3-phenoxybenzyl (1R) -cis, trans-chrysanthemate [cyphenothrin in which the alcohol part of the ester is in the (S) form, hereinafter referred to as compound (I). ] At 250 ° C with 4-bromo-2- (4
-Chlorophenyl) -1-ethoxymethyl-5-trifluoromethylpyrrole-3-carbonitrile [hereinafter referred to as compound (II). By heating at 300 ° C. for 60 minutes each. After 120 minutes from the start of heating, the test insects were transferred to another container, and after 7 days, life and death were observed. Table 1 shows the results
Shown in

[0026]

[Table 1]

Test Example 2 A triangular shelter (three 15 cm long, 5 cm wide plywoods) in which three adult male cockroaches were placed at two corners corresponding to both ends of a diagonal line on a 28 m ³ room floor. ) Were installed. On the other hand, a ceramic (4 cm × 4 cm × 1.
2 cm 2) were placed at the center of the room, and compound (I) was heated at 250 ° C. and compound (II) was heated
Evaporated by heating for 0 minutes. Start heating 120
After one minute, the test insects were transferred to another container, and one day later, the survival was observed. Table 2 shows the results. Table 3 shows the results obtained when six male black cockroaches were used in the same manner.

[0028]

[Table 2]

[0029]

[Table 3]

Test Example 3 A filter paper having a diameter of 4 cm was placed on an aluminum plate, an adhesive substance (Corponyl, manufactured by Nippon Synthetic Chemical Industry Co., Ltd.) was applied to the edges of the filter paper to prevent escape of insects to be tested, and 50% of the mite with a feed was placed on the filter paper.
~ 100 animals were released. At the floor corner of the room of 28 m ³ , an aluminum dish on which the above-prepared red mite was placed was placed, and a ceramic (4 cm × 4 cm × 1.2 cm) coated with an acetone solution of each sample was placed in the center of the room. The compound (I) was heated at 250 ° C. and the compound (II) was heated at 300 ° C. for 60 minutes with an electric heater to evaporate. 120 minutes after the start of heating, the aluminum dish on which the mites were placed was taken out, and one day later, the life and death were observed. Table 4 shows the results
Shown in In addition, Table 5 shows the test results using Dermatophagoides farinae in place of Dermatophagoides farinae in the same manner.

[0031]

[Table 4]

[0032]

[Table 5]

Test Example 4 A filter paper having a diameter of 4 cm was placed on an aluminum plate, an adhesive substance (Corponyl, manufactured by Nippon Synthetic Chemical Industry Co., Ltd.) was applied to the edge of the filter paper to prevent the insects from escaping, and 20 mites were found on the filter paper Let go. An aluminum dish on which the above-prepared southern mites were placed was placed in the floor corner of the room of 28 m ³ , while a ceramic (4 cm × 4 cm × 1.
2 cm 2) were placed at the center of the room, and compound (I) was heated at 250 ° C. and compound (II) was heated
Evaporated by heating for 0 minutes. Start heating 120
After a minute, remove the aluminum dish with the mites
After a day, life and death were observed. Table 6 shows the results.

[0034]

[Table 6]

Test Example 5 Three-liter glass beakers containing about 60 to 80 cat flea adults were placed at three corners on the floor in a 28 m ³ room. On the other hand, a ceramic (4 cm × 4 cm × 1.2 cm 2) coated with an acetone solution of each sample was placed at the center of each room, and the above compound (I) was added at 250 ° C. with compound (II) by an electric heater. Evaporation was achieved by heating at 60 ° C. for 60 minutes each. After 120 minutes from the start of heating, the test insects were transferred to another container, and one day later, the survival was observed. Table 7 shows the results.

[0036]

[Table 7]

Test Example 6 The inside of a glass tube having an inner diameter of 1.7 cm and a length of 15 cm was filled with 3 cm of soil in a central portion, and one surface of the soil was treated with a chemical solution shown in Table 8. Next, both sides of the soil were sandwiched between 4% agar, and 50 house termites and 5 soldiers were released into the space in the glass tube on the side not treated with the chemical solution, and one week later, the condition of termite penetration through the soil was observed. . The test was performed in triplicate. Table 8 shows the results.
Shown in In the results column in the table, A indicates that the termites penetrated the chemical treatment surface of the soil and also penetrated the agar layer on the opposite side, and B indicates that the termites penetrated the chemical treatment surface of the soil and further in the middle of the agar layer C indicates that the termites could not completely penetrate the chemical-treated surface of the soil and no perforation was observed.

[0038]

[Table 8] In the table, compound (II) 10FL is a 10% flowable formulation of compound (II) (Kotei Chemical Co., Ltd. 10FL), etofenprox 20EC is a 20% emulsion of etofenprox (Kumiai Chemical Trebone emulsion), and cypermethrin 6EC is 6% emulsion of cypermethrin (Agrosulin emulsion manufactured by Kumiai Chemical), permethrin 50EC is a 50% emulsion of permethrin (permethrin 50%, xylene 45% and Solpol SM
-200 (polyoxyethylene castor oil, 5% permethrin emulsion made by Toho Kagaku).]

Test Example 7 In the center of a glass chamber of 0.34 m ³ , a triangular shelter (length 15c) containing three female adults and three male adults was used.
m, triangular prism-shaped three plywood 5cm wide)
Was placed. 4 ml of an oil solution having a predetermined concentration shown in Table 9 prepared according to Formulation Example 7 was sprayed into the glass chamber.
After ventilating the glass chamber for 5 minutes from 10 minutes after spraying, the black cockroach was transferred to another container, and the life and death after 3 days were observed. Table 9 shows the results.

[Table 9]

[0040]

Industrial Applicability The insecticide, acaricide, insecticide and acaricide method of the present invention are effective for controlling pests, particularly sanitary pests such as cockroaches and indoor mites and wood pests such as termites.

Continued on the front page (51) Int.Cl. ⁶ Identification code FI A01N 53:00)

Claims (10)

[Claims] (1) 4-bromo-2- (4-chlorophenyl)
An insecticidal or acaricidal composition comprising as an active ingredient -1-ethoxymethyl-5-trifluoromethylpyrrole-3-carbonitrile and a pyrethroid compound. 2. Bromo-2- (4-chlorophenyl)
The insecticidal and acaricide composition according to claim 1, wherein the composition comprises -1-ethoxymethyl-5-trifluoromethylpyrrole-3-carbonitrile and the pyrethroid compound in a weight ratio of 99: 1 to 5:95. Stuff. The pyrethroid compound may be phenothrin, cyphenothrin, permethrin, cypermethrin, deltamethrin, cyhalothrin, cyfluthrin, acrinatrine, flamethrin, resmethrin, pralethrin, arelesrin, fenvalerate, etofenprox, silafluofen, fluvalinate, flucitrinate. ,
Tetramethrin, imiprosulin, transfluthrin, empentrin, bifenthrin and 3- (4-
The insecticidal and acaricidal composition according to claim 1 or 2, which is at least one compound selected from ethoxyphenyl) -3-methyl-6- (4-fluoro-3-phenoxyphenyl) hex-1-yne. . 4. Bromo-2- (4-chlorophenyl)
-1-Ethoxymethyl-5-trifluoromethylpyrrole-3-carbonitrile and one or more pyrethroid compounds selected from phenothrin, cyphenothrin, permethrin, cypermethrin, etofenprox and silafluofen in a weight ratio of 90:10 10:90
The insecticidal and acaricide composition according to claim 1, which is contained at a ratio of: (5) 4-bromo-2- (4-chlorophenyl)
A method for killing insects and mites, which comprises treating 1-ethoxymethyl-5-trifluoromethylpyrrole-3-carbonitrile and a pyrethroid compound with a pest or a habitat of the pest. (6) 4-bromo-2- (4-chlorophenyl)
The insecticidal and acaricidal method according to claim 5, wherein -1-ethoxymethyl-5-trifluoromethylpyrrole-3-carbonitrile and the pyrethroid compound are treated at a weight ratio of 99: 1 to 5:95. 7. The pyrethroid compound is phenothrin, cyphenothrin, permethrin, cypermethrin, deltamethrin, cyhalothrin, cyfluthrin, acrinatrine, flamethrin, resmethrin, pralethrin, arelesrin, fenvalerate, etofenprox, silafluofen and 3- (4-ethoxy). Phenyl)-
The method for killing insects and mites according to claim 5 or 6, wherein the method is one or more compounds selected from 3-methyl-6- (4-fluoro-3-phenoxyphenyl) hex-1-yne. 8. The pest is a cockroach, wherein the insect is a cockroach.
Or the insecticidal method according to claim 7. 9. The pest is a termite, wherein the pest is a termite.
Or the insecticidal method according to claim 7. 10. The method of claim 5, wherein the pest is a tick.