Ternary insecticidal composition and use thereof

Abstract

A ternary insecticidal composition used in the technical field of pesticides, and a use thereof. The insecticidal composition comprises an active ingredient A, an active ingredient B, and an active ingredient C. Active ingredient A is isoflualanam, active ingredient B is methoxyfenozide, and active ingredient C is lufenuron. The composition has characteristics such as reasonable components, good insecticidal effect, low administration cost, reduced application amount, safety for crops, and reduced agricultural residue.

Description

A ternary insecticidal composition and application thereof TECHNICAL FIELD

[0001] The present application belongs to the technical field of pesticides, and particularly relates to a ternary insecticidal composition and application thereof. BACKGROUND

[0002] In the process of agricultural production, the control of various types of harmful insects mainly relies on the application of a large number of pesticide insecticide products. The large-scale and frequent unreasonable use of pesticides leads to the continuous enhancement of the resistance of harmful insects, the more serious harm to crops, and the more difficult prevention and control. The use of two or more agents with different mechanisms of action can achieve the effects of treating different pests, improving the prevention and control effect of the agents, and reducing the resistance of pests. SUMMARY

[0003] The present application provides a ternary insecticidal composition and application thereof. The composition has reasonable components, good insecticidal effect, low drug cost, and the characteristics of reducing the application amount, being safe to crops, and reducing the amount of pesticide residues.

[0004] An insecticidal composition comprises active ingredient A, active ingredient B and active ingredient C, wherein the active ingredient A is flupentimedipharm (CAS No. 2892524-05-7); the active ingredient B is methoxyfenozide (CAS No. 161050-58-4); and the active ingredient C is hydroprene (CAS No. 103055-07-8).

[0005] In one specific embodiment, the weight ratio of A, B and C is 1-50:1-100:1-60, 1-20:1-50:1-30, 1-10:1-20:1-15, 1-5:1-15:1-12, 1-4:2-12:3-10 or 1-2:4-6:4-5.

[0006] The present application also discloses the application of the insecticidal composition in the prevention and control of plant pests in agriculture, forestry and horticulture.

[0007] According to one aspect of the present application, the composition can not only be used for Lepidoptera pests, but also for the prevention and control of a wide range of agricultural and horticultural pests (for example, Coleoptera, Hemiptera, Thysanoptera, Diptera, etc. insect species or nematode species, harmful mite species, etc.). In particular, it can be preferred to use for Lepidoptera pests, and the following examples can be given.

[0008] Lepidoptera pests: wood borer (Cossus insularis), Adoxophyes honmai, Adoxophyes orana faciata, oriental fruit moth (Grapholita molesta), Homona magnanima, Leguminivora glycinivorella, Lyonetia prunifoliella malinella, Caloptilia theivora, Phyllonorycter ringoniella, Phyllocnistis citrella, Acrolepiopsis sapporensis, diamondback moth (Plutella xylostella), apple ermine moth (Argyresthia conjugella), grape transparentid (Nokona regalis), apple transparentid (Synanthedon hector), persimmon stathmopoda (Stathmopoda masinissa), peach fruit moth (Carposina sasakii), Monema flavescens, rice stem borer (Chilo suppressalis), rice leaf roller (Cnaphalocrocis medinalis), Hellila undalis, Asian corn borer (Ostrinia furnacalis), early meadow grass parapediasia (Parapediasia teterrella), Mediterranean flour moth (Ephestia kuehniella), Galleris mellonella, yellow swallowtail (Papilio machaon hippocrates), white butterfly (Pieris rapae crucivora), straight rice skipper (Parnara guttata), Ascotis selenaria, sweet potato hawk moth (Agrius convolvuli), Orgyia thyellina, American white moth (Hyphantria cunea), black cutworm (Agrotis ipsilon), yellow cutworm (Agrotis segetum), black dot yam moth (Autographa nigrisigna), Trichoplusia ni, cotton bollworm (Helicoverpa armigera), common armyworm (Pseudaletia seprata), common cutworm (Spodoptera exigua), Spodoptera litura, Spodoptera frugiperda, Spodoptera eridania, Spodoptera cosmioides, Spodoptera albula, Spodoptera ephita, Spodoptera nympha, Spodoptera ornithogalli, Spodoptera praefica, Spodoptera signifera, Spodoptera zehi, Spodoptera zonata, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, Spodoptera zonula, SpodHelicoverpa armigera, Helicoverpa assulta, Mamestra brassicae, Mythimna separata, Naranga aenescens, Spodoptera exigua, Spodoptera litura, Helicoverpa zea, Heliothis virescens, Spodoptera littoralis, Spodoptera frugiperda, Spodoptera eridania, Manduca sexta, Endopiza viteana, Pectinophora gossypiella, Cydla pomonella, Ostrinia nubilalis, Pseudoplusia includens, etc.

[0009] The effective components of the composition of the present application can be prepared by the methods disclosed in the literature or can be purchased as commercial preparations. These compounds are mixed with a surfactant and, if necessary, an auxiliary agent, in an appropriate ratio, dissolved, separated, suspended, mixed, impregnated, adsorbed or adhered to an appropriate inert carrier, and used in the form of various formulations, such as a suspension, an emulsion suspension, an emulsion, a liquid, a wettable powder, a wettable granule, a granule, a powder, a microcapsule, a capsule, a tablet, a large granule or a bag, etc.

[0010] The mass percentage of A, B and C in the insecticidal composition is 1 to 95% of the total amount, preferably 5 to 80%. Generally, the insecticidal composition of the present application comprises 1 to 95 parts by weight of the active ingredient and 5 to 99 parts by weight of the conventional agricultural auxiliary agent.

[0011] These effective components can be used directly as commercial preparations, or the effective components can be formulated separately or together and used. When formulated, the effective components are dissolved, separated, suspended, mixed, impregnated, adsorbed or adhered to an appropriate inert carrier, or, if necessary, the effective components are mixed with an auxiliary agent in an appropriate ratio, dissolved, separated, suspended, mixed, impregnated, adsorbed or adhered to an appropriate inert carrier, and used in the form of an appropriate formulation, such as a suspension (flowable), an emulsion suspension, an emulsion, a liquid, a wettable powder, a wettable granule, a granule, a powder, a microcapsule, a capsule, a tablet, a large granule or a bag, etc.

[0012] As the above-mentioned inert carrier, solid carriers and liquid carriers can be exemplified, and as the solid carrier, for example, natural mineral-based substances such as quartz, clay, kaolin, pyrophyllite, sericite, talc, bentonite, acid clay, attapulgite, zeolite, diatomite, and the like; inorganic salts such as calcium carbonate, ammonium sulfate, sodium sulfate, potassium chloride, and the like; synthetic silicic acid, synthetic silicates, starch, cellulose, plant powders (for example, sawdust, coconut shells, corn cob cores, tobacco stems, and the like), and the like; plastic carriers such as polyethylene, polypropylene, polyvinylidene chloride, and the like; urea; inorganic hollow bodies; plastic hollow bodies; fumed silica (white carbon), and the like can be exemplified. These can be used alone, and two or more kinds can also be used in combination. As the liquid carrier, for example, monohydric alcohols such as methanol, ethanol, propanol, isopropanol, butanol, and the like; polyhydric alcohols such as ethylene glycol, diethylene glycol, propylene glycol, hexylene glycol, polyethylene glycol, polypropylene glycol, glycerol, and the like; polyhydric alcohol compounds such as propylene glycol ethers; ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone, diisobutyl ketone, cyclohexanone, and the like; ethers such as diethyl ether, dioxane, ethylene glycol monoethyl ether, dipropyl ether, tetrahydrofuran, and the like; aliphatic hydrocarbons such as n-paraffins, cycloparaffins, isoparaffins, kerosene, mineral oil, and the like; aromatic hydrocarbons such as benzene, toluene, xylene, solvent naphtha, alkyl naphthalenes, and the like; halogenated hydrocarbons such as dichloromethane, chloroform, carbon tetrachloride, and the like; esters such as ethyl acetate, diisopropyl phthalate, dibutyl phthalate, dioctyl phthalate, dimethyl adipate, and the like; lactones such as γ-butyrolactone, and the like; amides such as dimethylformamide, diethylformamide, dimethylacetamide, N-alkylpyrrolidones (N-methylpyrrolidone, and the like); nitriles such as acetonitrile, and the like; sulfur compounds such as dimethyl sulfoxide, and the like; vegetable oils such as soybean oil, rapeseed oil, cottonseed oil, castor oil, and the like; and water, and the like can be exemplified. These can be used alone, and two or more kinds can also be used in combination.

[0013] As the adjuvant, surfactants used as dispersants / wetting agents / spreading agents / penetrants, and the like, binders, tackifiers, thickeners, colorants, antifreezing agents, anticaking agents, disintegrants, and decomposition-preventing agents, and the like can be exemplified. In addition to these, preservatives, plant sheets can be used as the additive ingredients as needed. These additive ingredients can be used alone, and two or more kinds can also be used in combination.

[0014] As the surfactant used as a dispersant / wetting agent / extender / spreading agent, etc., for example, sorbitan fatty acid ester, polyoxyethylene sorbitan fatty acid ester, sucrose fatty acid ester, polyoxyethylene fatty acid ester, polyoxyethylene resin acid ester, polyoxyethylene fatty acid diester, polyoxyethylene alkyl ether, polyoxyethylene alkyl aryl ether, polyoxyethylene alkyl phenyl ether, polyoxyethylene dialkyl phenyl ether, polyoxyethylene alkyl phenyl ether formalin condensate, polyoxyethylene polyoxypropylene block copolymer, polystyrene polyoxyethylene block polymer, alkyl polyoxyethylene polypropylene block copolymer ether, polyoxyethylene alkyl amine, polyoxyethylene fatty acid amide, polyoxyethylene fatty acid diphenyl ether, polyalkylene benzyl phenyl ether, polyalkylene oxide styryl phenyl ether, acetylene glycol, polyoxyalkylene addition acetylene glycol, polyoxyethylene ether type polysiloxane, ester type polysiloxane, fluorine-based surfactant, polyoxyethylene castor oil, polyoxyethylene hardened castor oil, and the like nonionic surfactants; alkyl sulfate, polyoxyethylene alkyl ether sulfate, polyoxyethylene alkyl phenyl ether sulfate, polyoxyethylene styryl phenyl ether sulfate, alkyl benzene sulfonate, alkyl aryl sulfonate, lignin sulfonate, alkyl sulfosuccinate, naphthalene sulfonate, alkyl naphthalene sulfonate, salt of formalin condensate of naphthalene sulfonate, salt of formalin condensate of alkyl naphthalene sulfonate, fatty acid salt, polycarboxylic acid salt, polyacrylic acid salt, N-methyl-fatty acid sarcosin ester, resin acid salt, polyoxyethylene alkyl ether phosphate, polyoxyethylene alkyl phenyl ether phosphate, and the like anionic surfactants; dodecylamine hydrochloride, stearylamine hydrochloride, oleylamine hydrochloride, stearylamine acetate, octadecylaminopropylamine acetate, alkyl trimethylammonium chloride, alkyl dimethyl benzyl ammonium chloride, and the like alkyl amine salts, and the like cationic surfactants; amino acid type or betaine type and the like amphoteric surfactants, and the like. These surfactants can be used alone, and two or more can be used in combination.

[0015] As the adhesive or tackifier, for example, carboxymethyl cellulose and its salts, dextrin, water-soluble starch, xanthan gum, guar gum, sucrose, polyvinyl pyrrolidone, gum arabic, polyvinyl alcohol, polyvinyl acetate, sodium polyacrylate, polyethylene glycol having an average molecular weight of 6000 to 20000, polyethylene oxide having an average molecular weight of 1 million to 5 million, phospholipid (e.g., cephalin, lecithin, and the like), cellulose powder, dextrin, processed starch, polyamino carboxylic acid chelate compound, crosslinked polyvinyl pyrrolidone, copolymer of maleic acid and styrene, (meth)acrylic acid-based copolymer, half ester of polymer formed from polyhydric alcohol and diacid anhydride, water-soluble salt of polystyrene sulfonic acid, paraffin, terpene, polyamide resin, polyacrylic acid salt, polyoxyethylene, wax, polyvinyl alkyl ether, alkyl phenol formalin condensate, synthetic resin emulsion, and the like can be listed.

[0016] As the thickening agent, for example, water-soluble polymers such as xanthan gum, guar gum, diutan gum, carboxymethyl cellulose, polyvinylpyrrolidone, carboxyvinyl polymer, acrylic polymer, starch derivatives, polysaccharides, and the like; inorganic micropowders such as high-purity bentonite, fumed silica (white carbon), and the like can be exemplified.

[0017] As the coloring agent, for example, inorganic pigments such as iron oxide, titanium oxide, Prussian blue, and the like; organic dyes such as alizarin dye, azo dye, metal phthalocyanine dye, and the like can be exemplified.

[0018] As the antifreezing agent, for example, polyhydric alcohols such as ethylene glycol, diethylene glycol, propylene glycol, glycerin, and the like can be exemplified.

[0019] As the anti-caking or disintegration-promoting aid, for example, polysaccharides such as starch, alginic acid, mannose, galactose, and the like; polyvinylpyrrolidone; fumed silica (white carbon); ester gum; petroleum resin; sodium tripolyphosphate; sodium hexametaphosphate; metal stearate; cellulose powder; dextrin; copolymer of methacrylate; polyvinylpyrrolidone; polyamino carboxylic acid chelate compound; sulfonated styrene-isobutylene-maleic anhydride copolymer; starch-polyacrylonitrile graft copolymer, and the like can be exemplified.

[0020] As the decomposition-preventing agent, for example, drying agents such as zeolite, quicklime, magnesium oxide, and the like; antioxidants such as phenol compounds, amine compounds, sulfur compounds, phosphoric acid compounds, and the like; ultraviolet absorbers such as salicylic acid compounds, benzophenone compounds, and the like can be exemplified. As the preservative, for example, potassium sorbate, 1,2-benzothiazolin-3-one, and the like can be exemplified.

[0021] Further, as needed, functional spreading agents, metabolic decomposition inhibitors such as piperonyl butoxide, and the like; antioxidants such as BHT; ultraviolet absorbers; and other aids can also be used.

[0022] The "crop" to which the pesticidal composition of the present application can be used is not particularly limited, and also includes genetically recombined crops (herbicide-resistant crops, pest-resistant crops into which a gene for producing a pesticidal protein is integrated, disease-resistant crops into which a gene for an inducer of resistance to a disease is integrated, crops with improved taste, crops with improved storability, crops with improved yield, and the like) endowed with useful traits by classical breeding methods or advances in genetic recombination techniques in recent years.

[0023] In the use of the insecticidal composition of the present application, an effective amount of the above-mentioned preparation containing each component in advance is directly applied to the insect, or to the target crop where the insect is expected to occur, or to the seed or soil for sowing or a cultivation carrier, etc. in the form of the original state or appropriately diluted with water or the like or suspended, by a usual treatment. As the treatment method, for example, the following can be listed: a scattering treatment to stems and leaves, etc., a rice seedling box treatment, a seed treatment such as seed dressing, seed soaking, seed disinfection, a planting hole treatment, a root treatment, a furrow treatment, a drenching treatment, a soil mixing treatment, etc., and the hydroponic solution in the hydroponic culture can also be treated.

[0024] In the case of using the insecticidal composition of the present application, in order to prevent the simultaneous occurrence of disease insects and weeds, etc., to enhance the effect, to reduce the phytotoxicity to crops, an agricultural and horticultural fungicide, an agricultural and horticultural insecticide, an agricultural and horticultural herbicide, a synergist, a safener, etc. can be simultaneously used.

[0025] Advantages of the present application:

[0026] 1) The components of the present application are reasonable, the insecticidal effect is good, the cost of using the drug is low, the insecticidal activity is not a single superposition of the active ingredients, but has a significant synergistic effect, can delay the development of target pests resistance, is safe to crops, and meets the safety requirements of pesticide formulations.

[0027] 2) The composition of the present application is safe to non-target organisms and natural enemies, can effectively reduce the use dose of the pesticide, and reduce the pesticide residue on agricultural products. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the present application more concise and clear, the present application is described by the following specific examples, but the present application is not limited to these examples only. The examples described below are only better embodiments of the present application, which can be used to describe the present application, and cannot be understood as limiting the scope of the present application. It should be noted that any modification, equivalent replacement and improvement made within the spirit and principles of the present application shall be included in the protection scope of the present application.

[0029] Insecticidal composition activity determination test:

[0030] (1) Test conditions and operation steps

[0031] Test insect: Chilo suppressalis

[0032] The active ingredient is dissolved in acetone, and then diluted with distilled water to a gradient dose. Select 2nd instar test insects with consistent physiological conditions, pick them into test boxes, and introduce 10 test insects into each box. Cut 2-3 cm long corn plant leaves and place them in the box for spraying. After spraying, cover the box tightly, repeat 3 times, and use the highest dose of acetone as a control. After application, transfer to the pesticide treatment room for rearing. Investigate the results after 2 days, and count the number of live insects in each treatment.

[0033] (2) Synergistic qualitative evaluation

[0034] The Colby method is used to test the combined effect of any two or three of the mixtures on pests.

[0035] Calculate the actual pest survival rate: E(%) = (number of live insects / number of test insects) x 100

[0036] The theoretical pest survival rate calculation formula is: E0(%) = X x Y / 100 (binary mixture)

[0037] Where X represents the pest survival rate of A when the dosage is P, Y represents the pest survival rate of B when the dosage is Q, E0 represents the theoretical pest survival rate of A+B when the dosage is (P+Q), and E represents the actual pest survival rate of each treatment.

[0038] E0(%) = X x Y x Z x…x N / 100 (n-1) (trinary and above mixtures)

[0039] Where X, Y, Z, and N represent the actual survival rates of n single agents, and n is the number of complex pesticide varieties.

[0040] When E0-E > 10%, it indicates a synergistic effect; when E0-E < -10%, it indicates an antagonistic effect; and when E0-E is between ±10%, it indicates an additive effect.

[0041] The actual control effect of each component on pests and the combined effect evaluation statistical results are shown in Table 1 below.

[0042] Table 1 A is oxadiazon, B is methoxyfenozide, and C is lufenuron

[0043] Note: E(A): the actual survival rate of test insects treated with component A at a given dose,

[0044] E(B): the actual survival rate of test insects treated with component B at a given dose,

[0045] E(C): the actual survival rate of test insects treated with component C at a given dose,

[0046] E(A+B): the actual survival rate of test insects treated with a binary mixture of component A and component B at a given dose,

[0047] E(A+C): the actual survival rate of test insects treated with a binary mixture of component A and component C at a given dose,

[0048] E(B+C): the actual survival rate of test insects treated with a binary mixture of component B and component C at a given dose,

[0049] E(A+B+C): the actual survival rate of test insects treated with a ternary mixture of components A, B and C at a given dose;

[0050] E0(A+B+C): the theoretical survival rate of test insects treated with a ternary mixture of components A, B and C at a given dose,

[0051] E0((A+B)+C): the theoretical survival rate of test insects treated with a binary mixture of components A and B as a whole and component C at a given dose,

[0052] E0((A+C)+B): the theoretical survival rate of test insects treated with a binary mixture of components A and C as a whole and component B at a given dose,

[0053] E0(A+(B+C)): the theoretical survival rate of test insects treated with a binary mixture of components B and C as a whole and component A at a given dose.

[0054] Although the present application has been described in detail with particular reference to specific embodiments thereof, it will be understood that modifications and improvements can be made to the application without departing from the spirit and scope thereof. Accordingly, it is not intended that the application be limited, except as by the appended claims.

Claims

1. An insecticidal composition, characterized by comprising, The insecticidal composition comprises active ingredient A, active ingredient B and active ingredient C, wherein active ingredient A is indoxacarb; active ingredient B is methoxyfenozide; and active ingredient C is hydroprene.

2. The insecticidal composition according to claim 1, characterized by, The weight ratio of A, B and C is 1-50:1-100:1-60, 1-20:1-50:1-30, 1-10:1-20:1-15, 1-5:1-15:1-12, 1-4:2-12:3-10 or 1-2:4-6:4-5.

3. The insecticidal composition according to claim 1 or 2, characterized by, The mass percentage of the active ingredient A, the active ingredient B and the active ingredient C is 1-95% of the total amount, preferably 5-80%.

4. The insecticidal composition according to claim 1 or 2, characterized by, The insecticidal composition further comprises one or more of conventional adjuvants, preferably one or more of surfactants, binders, tackifiers, thickeners, colorants, antifreezes, anticaking agents, disintegrants and decomposition-preventing agents.

5. The insecticidal composition according to claim 1 or 2, characterized by, The specific formulation of the insecticidal composition is suspension concentrate, emulsion suspension concentrate, emulsion, liquid, wettable powder, wettable granule, granule, powder, microcapsule, capsule, tablet, macrogranule or bag.

6. Use of the insecticidal composition according to any one of claims 1-5 for preventing or controlling harmful organisms that attack crops or crop propagation material.

7. Use according to claim 6, characterized in that, The harmful organisms are Lepidoptera pests.

8. A method for preventing or controlling a pest, characterized by, The insecticidal composition according to any one of claims 1-5 is used for the target harmful organisms and / or their environment.

9. A method for preventing or controlling a pest, characterized by, The insecticidal composition according to any one of claims 1-5 is applied to seeds, target crops, soil where target crops grow or soil suitable for target crops to grow.

10. A method of protecting a target crop from attack by pests, characterised in that, The insecticidal composition according to any one of claims 1-5 is contacted with target crops, target harmful organisms and / or their environment, propagation material of target crops.

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