Insecticidal composition containing nicotine insecticide and application thereof

Abstract

The invention belongs to the technical field of pesticide disinfestation, and discloses an insecticidal composition containing a nicotine insecticide and an application thereof.The insecticidal composition comprises an active ingredient A and an active ingredient B. The active ingredient A is isoflualanam, the active ingredient B is the nicotine insecticide, and the active ingredient A is isoflualanam or isoflualanam or isoflualanam or isoflualanam or isoflualanam or isoflualanam or isoflualanam or isoflualanam or isoflualanam or isoflualanam. The nicotine insecticide is any one of fluazinam, sulfoxaflor, clothianidin, thiamethoxam, acetamiprid, thiacloprid, imidacloprid, dinotefuran, nitenpyram and flupyradifurone, and the mass ratio of the active component A to the active component B is (1: 40)-(45: 1). The insecticidal composition disclosed by the invention has the advantages of remarkable synergistic effect, resistance delaying, low medication cost and the like.

Description

Technical Field

[0001] The invention belongs to the technical field of pesticide insecticides, and in particular relates to an insecticide composition containing nicotine insecticides and application thereof. Background Art

[0002] Nicotinoid insecticides inhibit acetylcholine receptors in the central nervous system of pests, thereby blocking the normal conduction of the central nervous system of pests and achieving insecticidal effects. Since the launch of nicotine insecticides in the 1980s, they have gradually replaced traditional organophosphorus and carbamate pesticides due to their high efficiency, broad spectrum and low toxicity. Due to the large-scale use of nicotine insecticides and their low volatility, high water solubility and long half-life in the soil, pests have developed certain resistance to the insecticides and have a certain potential harm to non-target organisms.

[0003] In the agricultural production process, the control of various types of harmful insects mainly relies on the application of a large number of pesticides and insecticides. The large-scale, frequent and unreasonable use of pesticides and insecticides has led to the continuous enhancement of the resistance of harmful insects, which has caused more serious damage to crops and made prevention and control more difficult. By mixing isoflualanam with two or more agents with different mechanisms of action of nicotinoid compounds, it is possible to simultaneously control different pests, expand the prevention and control spectrum, improve the prevention effect of the agent, and reduce the occurrence of pest resistance. Summary of the invention

[0004] The purpose of the present invention is to provide an insecticide composition containing nicotine compounds which has synergistic effect, reduces resistance and has low use cost.

[0005] To achieve the above-mentioned object, the technical scheme adopted by the present invention is: an insecticide composition containing a nicotinoid insecticide, the insecticide composition comprises an active ingredient A and an active ingredient B, the active ingredient A is isoflualanam, the active ingredient B is a nicotinoid insecticide, the nicotinoid insecticide is any one of flubendiamide, sulfoxaflor, clothianidin, thiamethoxam, acetamiprid, thiacloprid, imidacloprid, dinotefuran, nitenpyram, and flupyrazone, and the mass ratio of the active ingredient A to the active ingredient B is 1:40 to 45:1, or any value within the above numerical range.

[0006] Furthermore, the active ingredient B is flubendiamide, and the mass ratio of the active ingredient A to the active ingredient B is 1:21 to 42:1, or any value within the above numerical range;

[0007] The active ingredient B is sulfoxaflor, and the mass ratio of the active ingredient A to the active ingredient B is 1:24 to 30:1, or any value within the above numerical range;

[0008] The active ingredient B is clothianidin, and the mass ratio of the active ingredient A to the active ingredient B is 1:28 to 15:1, or any value within the above numerical range;

[0009] The active ingredient B is thiamethoxam, and the mass ratio of the active ingredient A to the active ingredient B is 1:30 to 24:1, or any value within the above numerical range;

[0010] The active ingredient B is acetamiprid, and the mass ratio of the active ingredient A to the active ingredient B is 1:32 to 30:1, or any value within the above numerical range;

[0011] The active ingredient B is thiacloprid, and the mass ratio of the active ingredient A to the active ingredient B is 1:30 to 20:1, or any value within the above numerical range;

[0012] The active ingredient B is imidacloprid, and the mass ratio of the active ingredient A to the active ingredient B is 1:20 to 25:1, or any value within the above numerical range;

[0013] The active ingredient B is dinotefuran, and the mass ratio of the active ingredient A to the active ingredient B is 1:32 to 32:1, or any value within the above numerical range;

[0014] The active ingredient B is nitenpyram, and the mass ratio of the active ingredient A to the active ingredient B is 1:40 to 30:1, or any value within the above numerical range;

[0015] The active ingredient B is flupyrazone, and the mass ratio of the active ingredient A to the active ingredient B is 1:30 to 24:1, or any value within the above numerical range.

[0016] Furthermore, the active ingredient B is flubendiamide, and the mass ratio of the active ingredient A to the active ingredient B is 1:15 to 35:1, or any value within the above numerical range;

[0017] The active ingredient B is sulfoxaflor, and the mass ratio of the active ingredient A to the active ingredient B is 1:16 to 30:1, or any value within the above numerical range;

[0018] The active ingredient B is clothianidin, and the mass ratio of the active ingredient A to the active ingredient B is 1:24 to 15:1, or any value within the above numerical range;

[0019] The active ingredient B is thiamethoxam, and the mass ratio of the active ingredient A to the active ingredient B is 1:24 to 12:1, or any value within the above numerical range;

[0020] The active ingredient B is acetamiprid, and the mass ratio of the active ingredient A to the active ingredient B is 1:20 to 24:1, or any value within the above numerical range;

[0021] The active ingredient B is thiacloprid, and the mass ratio of the active ingredient A to the active ingredient B is 1:20 to 12:1, or any value within the above numerical range;

[0022] The active ingredient B is imidacloprid, and the mass ratio of the active ingredient A to the active ingredient B is 1:15 to 20:1, or any value within the above numerical range;

[0023] The active ingredient B is dinotefuran, and the mass ratio of the active ingredient A to the active ingredient B is 1:24 to 24:1, or any value within the above numerical range;

[0024] The active ingredient B is nitenpyram, and the mass ratio of the active ingredient A to the active ingredient B is 1:32 to 27:1, or any value within the above numerical range;

[0025] The active ingredient B is flupyrazone, and the mass ratio of the active ingredient A to the active ingredient B is 1:24 to 18:1, or any value within the above numerical range.

[0026] Furthermore, the active ingredient B is flubendiamide, and the mass ratio of the active ingredient A to the active ingredient B is 1:15 to 12:1, or any value within the above numerical range;

[0027] The active ingredient B is sulfoxaflor, and the mass ratio of the active ingredient A to the active ingredient B is 1:16 to 14:1, or any value within the above numerical range;

[0028] The active ingredient B is clothianidin, and the mass ratio of the active ingredient A to the active ingredient B is 1:18 to 9:1, or any value within the above numerical range;

[0029] The active ingredient B is thiamethoxam, and the mass ratio of the active ingredient A to the active ingredient B is 1:12 to 12:1, or any value within the above numerical range;

[0030] The active ingredient B is acetamiprid, and the mass ratio of the active ingredient A to the active ingredient B is 1:8 to 12:1, or any value within the above numerical range;

[0031] The active ingredient B is thiacloprid, and the mass ratio of the active ingredient A to the active ingredient B is 1:9 to 9:1, or any value within the above numerical range;

[0032] The active ingredient B is imidacloprid, and the mass ratio of the active ingredient A to the active ingredient B is 1:10 to 15:1, or any value within the above numerical range;

[0033] The active ingredient B is dinotefuran, and the mass ratio of the active ingredient A to the active ingredient B is 1:10 to 10:1, or any value within the above numerical range;

[0034] The active ingredient B is nitenpyram, and the mass ratio of the active ingredient A to the active ingredient B is 1:24 to 18:1, or any value within the above numerical range;

[0035] The active ingredient B is flupyrazone, and the mass ratio of the active ingredient A to the active ingredient B is 1:12 to 10:1, or any value within the above numerical range.

[0036] Furthermore, based on the total mass of the insecticide composition being 100 wt%, the sum of the contents of the active ingredient A and the active ingredient B in the insecticide composition is 0.5% to 90%;

[0037] Furthermore, the sum of the contents of the active ingredient A and the active ingredient B in the insecticide composition is 1% to 85%;

[0038] Furthermore, the insecticide composition includes agriculturally acceptable auxiliary ingredients in addition to the active ingredients, and the auxiliary ingredients are selected from one or more of wetting agents, dispersants, emulsifiers, thickeners, disintegrants, antifreeze agents, defoamers, solvents, preservatives, stabilizers, synergists or carriers;

[0039] Furthermore, the acaricide composition further comprises an adjuvant, which is selected from one or more of a wetting agent, a dispersant, an emulsifier, a thickener, a disintegrant, an antifreeze agent, a defoaming agent, a solvent, a preservative, a stabilizer, a synergist and a carrier;

[0040] The wetting agent is selected from one or more of alkylbenzene sulfonate, alkylnaphthalene sulfonate, lignin sulfonate, sodium dodecyl sulfate, sodium dioctyl succinate sulfonate, alpha olefin sulfonate, alkylphenol polyoxyethylene ether, castor oil polyoxyethylene ether, alkylphenol ethoxylate, fatty alcohol ethoxylate, fatty alcohol polyoxyethylene ether sodium sulfate, silkworm feces, saponin powder, soapberry powder, SOPA, detergent, emulsifier 2000 series and wetting penetrant F; and / or

[0041] The dispersant is selected from one or more of lignin sulfonate, alkylnaphthalene sulfonate formaldehyde condensate, naphthalene sulfonate, tristyrylphenol ethoxylate phosphate, fatty alcohol ethoxylate, alkylphenol polyoxyethylene ether, alkylphenol polyoxyethylene ether methyl ether condensate sulfate, fatty amine polyoxyethylene ether, glycerol fatty acid ester polyoxyethylene ether, polycarboxylates, polyacrylic acid, phosphates, EO-PO block copolymers and EO-PO graft copolymers; and / or

[0042] The emulsifier is selected from one or more of calcium dodecylbenzene sulfonate, alkylphenol formaldehyde resin polyoxyethylene ether, phenylethylphenol polyoxyethylene polyoxypropylene ether, fatty alcohol ethylene oxide-propylene oxide copolymer, styrylphenol polyoxyethylene ether, castor oil polyoxyethylene ether and alkylphenol ether phosphate; and / or

[0043] The thickener is selected from one or more of xanthan gum, organobentonite, gum arabic, sodium alginate, magnesium aluminum silicate, carboxymethyl cellulose and white carbon black; and / or

[0044] The disintegrant is selected from one or more of sodium sulfate, ammonium sulfate, aluminum chloride, sodium chloride, ammonium chloride, bentonite, glucose, sucrose, starch, cellulose, urea, sodium carbonate, sodium bicarbonate, citric acid and tartaric acid; and / or

[0045] The antifreeze agent is selected from one or more of alcohols, alcohol ethers, chlorinated hydrocarbons and inorganic salts; and / or

[0046] The defoamer is selected from C 10 -C 20 Saturated fatty acid compounds, silicone oil, silicone compounds, C8-C 10 One or more of fatty alcohols; and / or

[0047] The solvent is selected from one or more of benzene, toluene, xylene, durene, methanol, ethanol, isopropanol, n-butanol, dimethyl sulfoxide, dimethylformamide, cyclohexanone, alkylene carbonate, diesel, solvent oil, vegetable oil, vegetable oil derivatives and water; and / or

[0048] The preservative is selected from one or more of propionic acid, sodium propionic acid, sorbic acid, sodium sorbic acid, potassium sorbic acid, benzoic acid, sodium benzoic acid, sodium p-hydroxybenzoic acid, methyl p-hydroxybenzoate, kasone and 1,2-benzisothiazolin-3-one; and / or

[0049] The stabilizer is selected from one or more of disodium hydrogen phosphate, oxalic acid, succinic acid, adipic acid, borax, 2,6-di-tert-butyl-p-cresol, triethanolamine oleate, epoxidized vegetable oil, kaolin, bentonite, attapulgite, white carbon black, talc, montmorillonite and starch; and / or

[0050] The synergist is selected from synergist phosphite, synergist ether; and / or

[0051] The carrier is selected from one or more of ammonium salts, ground natural minerals, ground artificial minerals, silicates, resins, waxes, solid fertilizers, water, organic solvents, mineral oils, vegetable oils and vegetable oil derivatives.

[0052] Furthermore, the insecticide composition can be prepared into an agriculturally acceptable formulation, wherein the formulation is selected from a solid formulation and / or a liquid formulation;

[0053] Furthermore, the solid preparation includes powders, granules, pellets, tablets, strips, wettable powders, oil-dispersible powders, emulsion powders, water-dispersible granules, emulsion granules, water-dispersible tablets, soluble powders, soluble tablets or soluble granules;

[0054] Further, the liquid preparation includes a soluble solution, a soluble gel, an oil, a film-spreading oil, an emulsifiable concentrate, a latex, a dispersible liquid, an ointment, an aqueous emulsion, an oil emulsion, a microemulsion, a fat, a suspension, a microcapsule suspension, an oil suspension, a dispersible oil suspension, a suspoemulsion, a microcapsule suspension-suspension, a microcapsule suspension-water emulsion or a microcapsule suspension-suspoemulsion;

[0055] Furthermore, the solid preparation is selected from wettable powders and water dispersible granules; the liquid preparation is selected from emulsifiable concentrates, aqueous emulsions, microemulsions, suspensions, suspoemulsions, and dispersible oil suspensions;

[0056] Application of the insecticide composition of the present invention in preventing and controlling agricultural and forestry pests and sanitary pests;

[0057] The insecticide composition of the present invention can be used to control pests on fruit trees, vegetables, ornamental plants, tea, cotton, and cereal crops;

[0058] Furthermore, the agricultural and forestry pests and sanitary pests are Hemiptera pests;

[0059] Further, the Hemiptera pests include: Acrosternum hilare (green stink bug), Blissus leucopterus (chinch bug), Calocoris norvegicus, Acrosternum hilare (green stink bug), Blissus leucopterus (chinch bug), Calocoris norvegicus, (aphids, scales, whiteflies, leafhoppers), Acrythosiphon pisum (pea aphid), Adelges spp., Aleurodes proletella, Aleurodicus disperses), Aleurothrixus floccosus (woolly whitefly), Aluacaspis spp., Aonidiella aurantii, Aphis spp., Aphis gossypii (cotton aphid), Aphis pomi, Aulacorthum solani (foxglove aphid), Bemisia spp. (whitefly), Bemisia argentifolii, Bemisia tabaci (sweet potato whitefly), Brachycolus noxius, Brachycorynella asparagi (asparagus aphid), Brevennia rehi, Brevicoryne brassicae), Ceroplastes spp., Ceroplastes rubens (red wax scale), Chionaspis spp., Chrysomphalus spp., Dysaphis plantaginea (rosy apple aphid), Empoasca spp.), Eriosomalanigerum, Icerya purchasi (cottony cushion scale), Idioscopus nitidulus (mango leafhopper), Laodelphaxstriatellus, Lepidosaphes spp., Macrosiphum spp., Macrosiphum euphorbiae, Macrosiphum granarium, Macrosiphum rosae (rose aphid), Macrosteles quadrilineatus (aster leafhopper), Mahanarva frimbiolata, Metopolophium dirhodum, Mictis longicornis, Myzus spp., Myzus persicae (green peach aphid), aphid), Nephotettix spp., Nephotettix cinctipes (green leafhopper), Nilaparvata lugens, Parlatoria pergandii, Peregrinusmaidis (corndelphacid), Philaenus spp., Phylloxeravitifoliae (grape phylloxera), Physokermes piceae (spruce bud scale), Planococcus spp. (mealybugs), Pseudococcus spp. (mealybugs), Pseudococcus brevipes (pineapple mealybugs), mealybug), Quadraspidiotus perniciosus (San Josescale), Rhopalosiphum spp.), Rhopalosiphum maida (corn leaf aphid), Rhapalosiphum padi (oat bird-cherry aphid), Saissetia spp., Saissetia oleae, Schizaphis graminum (greenbug), Sitobion avenae (English grain aphid), Sogatella furcifera, Therioaphis spp., Toumeyella spp., Trialeurodes spp.), Trialeurodes vaporariorum;.

[0060] Furthermore, the Hemiptera pests include whiteflies, rice planthoppers, and aphids;

[0061] In particular, the pesticide composition of the present invention has excellent control effects on aphids and whiteflies.

[0062] The present invention also provides a method for using the nicotine-containing insecticidal composition as described above, specifically applying an effective dose to the pests to be controlled or the medium in which they grow.

[0063] In order to obtain the desired insecticidal effect, the dosage of the pesticide composition varies depending on various factors, such as the crop to be protected, the type of pest, the degree of infection, climatic conditions, application site, application method, dosage form used, etc.

[0064] The insecticidal composition of the present invention has the following advantages:

[0065] 1) The insecticidal composition of the present invention rationally compounds compounds with different action mechanisms, and has obvious synergistic effects on different target pests under appropriate mass ratio;

[0066] 2) The two active ingredients of the insecticide composition of the present invention have a unique mechanism of action, which reduces the amount of pesticide used, reduces environmental pollution, can effectively protect against resistant pests, and can extend the service life of the product. DETAILED DESCRIPTION

[0067] The present invention is further described below with reference to the examples. The percentages in the examples are all percentages by weight, but the present invention is not limited thereto.

[0068] The composition of the present invention can be provided in the form of a preparation. It can be prepared into a suspension, water dispersible granules, aqueous emulsions, granules, wettable powders, dispersible oil suspensions, etc. as needed. The content of the active ingredient in the composition of the present invention depends on the application amount when used alone, and also depends on the mixing ratio and the degree of synergistic effect. The optimal range of the active ingredient content varies according to the type of preparation of the composition.

[0069] Preparation Example

[0070] Preparation Example 1: 24% isoflualanam·sulfuronidazole suspension (2:1)

[0071] Formula composition: 16% isoflualanam, 8% flubendiamide, 2% Guerbet alcohol polyoxyethylene ether, 2% glycerol fatty acid ester polyoxyethylene ether, 3% alkyl aryl polyoxyethylene ether polyoxypropylene ether, 3% polyaryl phenyl ether amine phosphate, 0.5% magnesium aluminum silicate, 0.3% xanthan gum, 1% sodium sorbate, 5% glycerol, 0.5% silicone oil, and deionized water to make up the balance;

[0072] Preparation method: Add active ingredients to the wetting dispersant and defoamer, use glass beads, and wet grind with a sand mill to D 90 (90% of the particle size) <10 μm, and a crushed slurry is obtained. A thickener, an antifreeze agent, and a preservative are added to the crushed slurry and mixed evenly, and deionized water is added to 100%, and a suspension product is obtained by high-speed shearing.

[0073] Preparation Example 2: 36% isoflualanam·sulfuronidazole water dispersible granules (1:8)

[0074] Formula composition: 4% isoflualanam, 32% sulfoxaflor, 5% sodium salt of polycarboxylate, 2% polyoxyethylene styrenated phenol sulfate, 5% naphthalenesulfonate formaldehyde condensate, 2% sodium dodecyl sulfate, 4% sodium sulfate, and kaolin makes up the balance;

[0075] Preparation method: According to the formula ratio, the active ingredient is added to the carrier, and the surfactant and other functional additives are added thereto, mixed, and after air flow pulverization, appropriate water is added, and then the water-dispersible granule product is obtained by kneading, granulating, drying and sieving.

[0076] Preparation Example 3: 21% isoflualanam·sulfoxaflor suspension (5:2)

[0077] Formula composition: 15% isoflualanam, 6% sulfoxaflor, 2% sorbitan oleate polyoxyethylene ether, 3% phenethylphenol polyoxyethylene polyoxypropylene ether, 2% lignin sulfonate, 3% alkylphenol polyoxyethylene ether phosphate, 0.5% magnesium aluminum silicate, 0.3% xanthan gum, 1% sodium sorbate, 5% glycerol, 0.5% silicone oil, and deionized water to make up the balance;

[0078] Preparation method: Same as Preparation Example 1.

[0079] Preparation Example 4: 32% isoflualanam·sulfoxaflor water dispersible granules (7:1)

[0080] Formula composition: 28% isoflualanam, 4% sulfoxaflor, 6% sodium lignin sulfonate, 6% sodium methylnaphthalene sulfonate formaldehyde condensate, 2% sodium dodecyl sulfate, 5% sodium sulfate, and kaolin makes up the balance;

[0081] Preparation method: Same as Preparation Example 2.

[0082] Preparation Example 5: 16% isoflualanam·thiamethoxam suspension (5:3)

[0083] Formula composition: 10% isoflualanam, 6% clothianidin, 1% sodium dodecyl sulfate, 1% naphthalenesulfonate formaldehyde condensate, 5% fatty alcohol polyoxyethylene ether phosphate, 0.25% xanthan gum, 1% magnesium aluminum silicate, 4% ethylene glycol, 0.01% potassium benzisothiazolinone, 0.5% silicone oil, and deionized water to make up the balance;

[0084] Preparation method: Same as Preparation Example 1.

[0085] Preparation Example 6: 36% isoflualanam·thiamethoxam wettable powder (3:1)

[0086] Formula composition: 27% isoflualanam, 9% clothianidin, 3% fatty alcohol polyoxyethylene ether sulfate, 8% tea saponin, 2% citric acid, kaolin makes up the balance;

[0087] Preparation method: Active ingredients, dispersants, wetting agents and fillers are mixed according to the formula ratio, stirred evenly in a stirring kettle, and crushed and mixed evenly for multiple times by a jet mill to prepare the wettable powder of the composition of the present invention.

[0088] Preparation Example 7: 21% isoflualanam·thiamethoxam suspension (6:1)

[0089] Formula composition: 18% isoflualanam, 3% thiamethoxam, 0.5% triphenylphenol polyoxyethylene ether, 5% arylphenol polyoxyethylene ether phosphate, 1% sodium lignin sulfonate, 0.25% xanthan gum, 5% ethylene glycol, 0.1% sodium sorbate, 0.5% silicone oil, and deionized water to make up the balance;

[0090] Preparation method: Same as Preparation Example 1.

[0091] Preparation Example 8: 28% isoflualanam·thiamethoxam water dispersible granules (1:3)

[0092] Formula composition: 7% isoflualanam, 21% thiamethoxam, 2% sodium lignin sulfonate, 4% sodium polycarboxylate, 10% alkylnaphthalene sulfonate formaldehyde condensate, 3% sodium dodecyl sulfate, 4% sodium sulfate, and kaolin makes up the balance;

[0093] Preparation method: Same as Preparation Example 2.

[0094] Preparation Example 9: 6% isoflualanam·acetamiprid emulsifiable concentrate (2:1)

[0095] Formula composition: 4% isoflualanam, 2% acetamiprid, 15% DMF, 15% cyclohexanone, 15% ethylene glycol oxyethylene polyoxypropylene ether, 3% calcium dodecylbenzene sulfonate, 18% propylene carbonate, and xylene makes up the balance.

[0096] Preparation method: according to the formula ratio, the measured active ingredients, solvents and co-solvents are added into a mixing kettle and stirred to dissolve, then an emulsifier is added, the remaining amount is supplemented with the remaining solvent, and the mixture is stirred evenly in a stirring kettle, and the desired emulsifiable concentrate is obtained after filtering.

[0097] Preparation Example 10: 28% isoflualanam·acetamiprid wettable powder (6:1)

[0098] Formula composition: 24% isoflualanam, 4% acetamiprid, 2% sodium dodecyl sulfate, 5% alkyl naphthalene sulfonate, 6% polynaphthaldehyde sulfonic acid sodium salt, 10% kaolin, 10% white carbon black, and bentonite to make up the balance;

[0099] Preparation method: Same as Preparation Example 6.

[0100] Preparation Example 11: 14% isoflualanam·thiacloprid suspension (3:4)

[0101] Formula composition: 6% isoflualanam, 8% thiacloprid, 1% fatty alcohol polyoxyethylene ether, 3% alkyl aryl polyoxyethylene ether polyoxypropylene ether, 4% polyoxyethylene sorbitan monooleate, 3% fatty alcohol polyoxyethylene ether phosphate, 1% polycarboxylic acid sodium salt, 1.5% magnesium aluminum silicate, 0.1% carboxyethyl cellulose, 1% sodium benzoate, 5% ethylene glycol, 0.5% silicone oil, and deionized water to make up the balance;

[0102] Preparation method: Same as Preparation Example 1.

[0103] Preparation Example 12: 19% isoflualanam·thiacloprid dispersible oil suspension (1:9)

[0104] Formula composition: 1.9% isoflualanam, 17.1% thiacloprid, 2% lignin sulfonate, 10% castor oil polyoxyethylene ether, 3% isotridecyl alcohol polyoxyethylene ether, 2% calcium dodecylbenzene sulfonate, 1% silicon dioxide, 1% organic bentonite, 20% 200# solvent oil, and methyl oleate makes up the balance;

[0105] Preparation method: According to the formula ratio, the active ingredients, surfactants and other functional additives are placed in the reactor in sequence, oil is added and mixed evenly, and the dispersible oil suspension product is obtained by high-speed shearing, wet sand grinding, and finally homogenization filtration.

[0106] Preparation Example 13: 9% isoflualanam·imidacloprid EC (5:4)

[0107] Formula composition: 5% isoflualanam, 4% imidacloprid, 18% N-methylpyrrolidone, 15% alkyl aryl polyoxyethylene ether polyoxypropylene ether, 2% calcium dodecylbenzene sulfonate, 10% DMF, and methyl oleate makes up the balance;

[0108] Preparation method: Same as Preparation Example 9.

[0109] Preparation Example 14: 24% isoflualanam·imidacloprid wettable powder (1:5)

[0110] Formula composition: 4% isoflualanam, 20% imidacloprid, 5% sodium polycarboxylate, 2% sodium lauryl sulfate, 10% tea saponin, kaolin makes up the balance;

[0111] Preparation method: Same as Preparation Example 6.

[0112] Preparation Example 15: 30% isoflualanam·dinotefuran water dispersible granules (1:1)

[0113] Formula composition: 15% isoflualanam, 15% dinotefuran, 3% sodium dodecyl sulfate, 6% sodium salt of polycarboxylate, 5% naphthalenesulfonate formaldehyde condensate, 5% sodium sulfate, and kaolin makes up the balance;

[0114] Preparation method: Same as Preparation Example 2.

[0115] Preparation Example 16: 32% isoflualanam·dinotefuran wettable powder (1:7)

[0116] Formula composition: 4% isoflualanam, 28% dinotefuran, 6% naphthalenesulfonate formaldehyde condensate, 8% tea saponin, 2% sodium alkyl polyoxyethylene ether sulfonate, and kaolin makes up the balance;

[0117] Preparation method: Same as Preparation Example 6.

[0118] Preparation Example 17: 40% isoflualanam·nitenpyram water dispersible granules (3:1)

[0119] Formula composition: 30% isoflualanam, 10% nitenpyram, 5% sodium salt of polycarboxylate, 10% naphthalenesulfonate formaldehyde condensate, 3% sodium dodecyl sulfate, 5% sodium sulfate, and kaolin makes up the balance;

[0120] Preparation method: Same as Preparation Example 2.

[0121] Preparation Example 18: 20% isoflualanam·nitenpyram wettable powder (9:1)

[0122] Formula composition: 18% isoflualanam, 2% nitenpyram, 5% sodium lignin sulfonate, 2% styrenated phenol polyoxyethylene ether sulfate, 10% tea saponin, 2% sodium lauryl sulfate, kaolin makes up the balance;

[0123] Preparation method: Same as Preparation Example 6.

[0124] Preparation Example 19: 6% isoflualanam·flupyrafuranone soluble solution (4:1)

[0125] Formula composition: 4.8% isoflualanam, 1.2% fluoropyrafuranone, 12% tristyrylphenol polyoxyethylene ether, 10% cyclohexanone, 10% propylene carbonate, 20% dimethyl sulfoxide, DMF makes up the balance;

[0126] Preparation method: According to the formula ratio, the active ingredient, emulsifier and solvent are stirred evenly by high-speed shearing to prepare the soluble solution of the present invention.

[0127] Preparation Example 20: 15% isoflualanam·flupyrazone suspension (1:2)

[0128] Formula composition: 5% isoflualanam, 10% flupyrrolone, 1% Guerbet alcohol polyoxyethylene ether, 1% naphthalenesulfonate formaldehyde condensate, 5% alkylphenol polyoxyethylene ether phosphate, 2% sorbitan oleate polyoxyethylene ether, 0.2% xanthan gum, 1% magnesium aluminum silicate, 5% propylene glycol, 0.1% sodium benzoate, 0.5% silicone oil, and deionized water to make up the balance;

[0129] Preparation method: Same as Preparation Example 1.

[0130] Indoor biological activity assay

[0131] The examples refer to the Guidelines for Indoor Bioassay Tests for Pesticides Part 6: Insect Dipping Method NY / T 1154.6-2006; Part 7: Determination of Combined Action of Mixtures NY / T 1154.7-2006; Part 9: Spraying Method NY / T 1154.9-2008, Part 14: Leaf Dipping Method NY / T 1154.14-2008, etc.

[0132] Example 1: Indoor Bemisia tabaci bioactivity assay test

[0133] Test method: agar moisturizing leaf dip method.

[0134] Test target: Bemisia tabaci, adults.

[0135] Experimental drugs: flubendiamide, sulfaquinoxaline, nitenpyram, flupyradone, and isoflualanam technical drugs.

[0136] Test steps:

[0137] (1) Preparation of liquid agar:

[0138] Take agar powder in a triangular flask, add water and place in a microwave oven, heat until the agar is completely dissolved. After cooling slightly, use a pipette to draw 2mL of liquid agar and add it to the bottom of a flat-bottomed glass tube. Wait for the liquid agar to cool and solidify, and the steam on the tube wall to evaporate and set aside. During the cooling process, avoid agar contaminating the tube wall and preventing bubbles from forming in the solidified agar.

[0139] (2) Preparation of drugs: Prepare the single-dose stock solutions separately, and design 5 groups of ratios according to the purpose of mixing and the activity of the drugs. Prepare 5 series of mass concentrations of each single dose and each group of mixed drugs according to the equal ratio method.

[0140] (3) Chemical treatment:

[0141] Use a hole puncher to punch fresh, flat cucumber leaves into leaf discs. After the leaf discs are immersed in the test solution for 10 seconds, they are taken out and dried. Use tweezers to lay the leaves face down in a flat-bottomed glass tube that has been added with agar. The leaf discs fit tightly with the agar and the tube wall without leaving any gaps. Each group of treatments is repeated 4 times, and the treatment without the drug is set as a blank control.

[0142] (3) Inoculation: Tilt a glass tube covered with leaf discs onto the cucumber leaves where whiteflies are cultured, and gently tap the leaves to allow the whiteflies to enter the glass tube. Inoculate 30 whiteflies into each tube, and turn the tube downward until the whiteflies fly into the leaf disc at the bottom of the tube. Use a cotton plug to plug the tube about 15 mm from the bottom to force the whiteflies to stay on the leaf disc at the bottom of the tube.

[0143] (4) Feeding and observation:

[0144] The treated test insects were raised and observed upside down at a temperature of (25±1)°C, a relative humidity of 65%±5%, and a photoperiod of L:D=14:10h.

[0145] (5) Investigation:

[0146] 48 hours after treatment, check and record the number of live worms in each tube. If the worms do not move or cannot move normally, they are considered dead. Based on the survey data, calculate the adjusted mortality rate of each treatment.

[0147] According to the survey data, calculate the mortality rate of each treatment. Calculate as follows:

[0148]

[0149] Where:

[0150] P——mortality rate, in percentage (%);

[0151] K——indicates the number of dead insects, in units of heads;

[0152] N——represents the total number of insects treated, in heads.

[0153]

[0154] Where:

[0155] P1——adjusted mortality rate, in percentage (%);

[0156] P t ——Treatment mortality rate, expressed as percentage (%);

[0157] P0——blank control mortality rate, in percentage (%).

[0158] If the control mortality rate is less than 5%, no correction is required; if the control mortality rate is between 5% and 20%, correction should be made according to the correction mortality formula; if the control mortality rate is greater than 20%, the test needs to be repeated.

[0159] Analyze with statistical analysis system to obtain toxicity regression equation, correlation coefficient and LC 50 Value, to evaluate the activity of the test agent on the biological test material.

[0160] The co-toxicity coefficient (CTC value) of the mixture is calculated as follows:

[0161]

[0162] Where:

[0163] ATI——Actual Toxicity Index of Mixture;

[0164] S——LC of standard pesticide 50 , the unit is milligrams per liter (mg / L);

[0165] M——LC of the mixture 50 , the unit is milligrams per liter (mg / L).

[0166] TTI=TI A ×P A +TI B ×P B

[0167] Where:

[0168] TTI – Theoretical Toxicity Index of Mixtures;

[0169] TI A ——A: toxicity index of the agent;

[0170] P A ——The percentage of agent A in the mixture, in percentage (%);

[0171] TI B ——Toxicity index of agent B;

[0172] P B ——The percentage of agent B in the mixture, in percentage (%).

[0173]

[0174] Where:

[0175] CTC – Co-toxicity coefficient;

[0176] ATI——Actual Toxicity Index of Mixture;

[0177] TTI - Theoretical Toxicity Index of Mixture.

[0178] The co-toxicity coefficient of the combination CTC≥120 shows a synergistic effect; CTC≤80 shows an antagonistic effect; 80<CTC<120 shows an additive effect.

[0179] The indoor test results are as follows:

[0180] The results in Tables 1 to 4 show that the LC of isoflualanam against Bemisia tabaci 50 It is 14.8653 mg / L. The mixture of isoflualanam with flufenac, sulfoxaflor, nitenpyram and flupyralidone has a good combined effect on Bemisia tabaci.

[0181] Among them, when the mass ratio of isoflualanam to flubendiamide was 1:21-42:1, the co-toxicity coefficient was greater than 120, showing a synergistic effect; when the mass ratio of the two was 1:15-35:1, the co-toxicity coefficient was greater than 130, and the synergistic effect was obvious; when the mass ratio of the two was 1:15-12:1, the co-toxicity coefficient was greater than 150, and the synergistic effect was significant.

[0182] When the mass ratio of isoflualanam to sulfoxaflor is 1:24-30:1, the co-toxicity coefficient is greater than 120, showing a synergistic effect; when the mass ratio is 1:16-30:1, the co-toxicity coefficient is greater than 130, and the synergistic effect is obvious; when the mass ratio is 1:16-14:1, the co-toxicity coefficient is greater than 150, and the synergistic effect is significant.

[0183] When the mass ratio of isoflualanam to nitenpyram is 1:40-30:1, the co-toxicity coefficient is greater than 120, showing a synergistic effect; when the mass ratio is 1:32-27:1, the co-toxicity coefficient is greater than 130, and the synergistic effect is obvious; when the mass ratio is 1:24-18:1, the co-toxicity coefficient is greater than 150, and the synergistic effect is significant.

[0184] When the mass ratio of isoflualanam to flupyfuranone is 1:30-24:1, the co-toxicity coefficient is greater than 120, showing a synergistic effect; when the mass ratio is 1:24-18:1, the co-toxicity coefficient is greater than 130, and the synergistic effect is obvious; when the mass ratio is 1:12-10:1, the co-toxicity coefficient is greater than 140, and the synergistic effect is significant.

[0185] Table 1 Results of the test on the biological activity of Isoflualanam and flufenac combined with Bemisia tabaci in the room

[0186]

[0187] Table 2 Results of the test on the biological activity of Isoflualanam and sulfoxaflorin against indoor whiteflies

[0188]

[0189]

[0190] Table 3 Results of the test on the biological activity of Isoflualanam and Nitenpyram against indoor whiteflies

[0191]

[0192] Table 4 Isoflualanam and flupyrazone compound to indoor whitefly biological activity test results

[0193]

[0194]

[0195] Example 2: Indoor aphid bioactivity assay

[0196] Test method: immersion method.

[0197] Test target: Melon aphid, 2nd instar nymph.

[0198] Test agents: clothianidin, thiamethoxam, acetamiprid, thiacloprid, imidacloprid, dinotefuran, and isoflualanam technical drugs.

[0199] Test steps: Cut fresh cucumber leaves with melon aphids attached, remove winged aphids and dead aphids, and there are about 30 2nd-instar nymphs left on each leaf. According to the results of the preliminary test, 5 series of concentrations were set according to the proportional method in the formal test. The original drug was dissolved and diluted into a mother solution of a certain concentration with a suitable solvent. Before the test, the mother solution was diluted proportionally with a 0.1% Tween-80 aqueous solution by volume. The cucumber leaves with 2nd-instar nymphs attached were completely immersed in the drug solution for 5 seconds, taken out and placed on filter paper to absorb excess drug solution and dry naturally, placed in a clean glass culture dish, sealed with plastic wrap, and more than 20 small holes were pierced on the film with an insect pin; the control was a 0.1% Tween-80 aqueous solution without drug; each treatment was repeated 4 times. Place the culture dish under the conditions of (25±1)℃, relative humidity of 70%±5%, and light-dark cycle of 16h:8h for cultivation. Check the mortality rate after 48h. Touch the insect body lightly with the tip of a brush. Insects that do not move or are stiff are considered dead.

[0200] According to the survey data, calculate the mortality rate of each treatment. Calculate as follows:

[0201]

[0202] Where:

[0203] P——mortality rate, in percentage (%);

[0204] K——indicates the number of dead insects, in units of heads;

[0205] N——represents the total number of insects treated, in heads.

[0206]

[0207] Where:

[0208] P1——adjusted mortality rate, in percentage (%);

[0209] P t ——Treatment mortality rate, expressed as percentage (%);

[0210] P0——blank control mortality rate, in percentage (%).

[0211] If the control mortality rate is less than 5%, no correction is required; if the control mortality rate is between 5% and 20%, correction should be made according to the correction mortality formula; if the control mortality rate is greater than 20%, the test needs to be repeated.

[0212] Analyze with statistical analysis system to obtain toxicity regression equation, correlation coefficient and LC 50 Value, to evaluate the activity of the test agent on the biological test material.

[0213] The co-toxicity coefficient (CTC value) of the mixture is calculated as follows:

[0214]

[0215] Where:

[0216] ATI——Actual Toxicity Index of Mixture;

[0217] S——LC of standard pesticide 50 , the unit is milligrams per liter (mg / L);

[0218] M——LC of the mixture 50 , the unit is milligrams per liter (mg / L).

[0219] TTI=TI A ×P A +TI B ×P B

[0220] Where:

[0221] TTI – Theoretical Toxicity Index of Mixtures;

[0222] TI A ——A: toxicity index of the agent;

[0223] PA ——The percentage of agent A in the mixture, in percentage (%);

[0224] TI B ——Toxicity index of agent B;

[0225] P B ——The percentage of agent B in the mixture, in percentage (%).

[0226]

[0227] Where:

[0228] CTC – Co-toxicity coefficient;

[0229] ATI——Actual Toxicity Index of Mixture;

[0230] TTI - Theoretical Toxicity Index of Mixture.

[0231] The co-toxicity coefficient of the combination CTC≥120 shows a synergistic effect; CTC≤80 shows an antagonistic effect; 80<CTC<120 shows an additive effect.

[0232] The results of the indoor biological activity assay are shown below:

[0233] The results in Tables 5-10 show that the LC values ​​of isoflualanam against melon aphids are 50 It is 7.2799 mg / L. The mixture of isoflualanam with clothianidin, thiamethoxam, acetamiprid, thiacloprid, imidacloprid and dinotefuran has a good combined effect on melon aphids.

[0234] Among them, when the mass ratio of isoflualanam to clothianidin was 1:28-15:1, the co-toxicity coefficient was greater than 120, showing a synergistic effect; when the mass ratio of the two was 1:24-15:1, the co-toxicity coefficient was greater than 130, and the synergistic effect was obvious; when the mass ratio of the two was 1:18-9:1, the co-toxicity coefficient was greater than 150, and the synergistic effect was significant.

[0235] When the mass ratio of isoflualanam to thiamethoxam is 1:30-24:1, the co-toxicity coefficient is greater than 120, showing a synergistic effect; when the mass ratio is 1:24-12:1, the co-toxicity coefficient is greater than 140, and the synergistic effect is obvious; when the mass ratio is 1:12-12:1, the co-toxicity coefficient is greater than 150, and the synergistic effect is significant.

[0236] When the mass ratio of isoflualanam to acetamiprid is 1:32-30:1, the co-toxicity coefficient is greater than 120, showing a synergistic effect; when the mass ratio is 1:20-24:1, the co-toxicity coefficient is greater than 130, and the synergistic effect is obvious; when the mass ratio is 1:8-12:1, the co-toxicity coefficient is greater than 150, and the synergistic effect is significant.

[0237] When the mass ratio of isoflualanam to thiacloprid is 1:30-20:1, the co-toxicity coefficient is greater than 120, showing a synergistic effect; when the mass ratio is 1:20-12:1, the co-toxicity coefficient is greater than 130, and the synergistic effect is obvious; when the mass ratio is 1:9-9:1, the co-toxicity coefficient is greater than 150, and the synergistic effect is significant.

[0238] When the mass ratio of isoflualanam to imidacloprid is 1:20-25:1, the co-toxicity coefficient is greater than 120, showing a synergistic effect; when the mass ratio is 1:15-20:1, the co-toxicity coefficient is greater than 130, and the synergistic effect is obvious; when the mass ratio is 1:10-15:1, the co-toxicity coefficient is greater than 150, and the synergistic effect is significant.

[0239] When the mass ratio of isoflualanam to dinotefuran is 1:32-32:1, the co-toxicity coefficient is greater than 120, showing a synergistic effect; when the mass ratio is 1:24-24:1, the co-toxicity coefficient is greater than 130, and the synergistic effect is obvious; when the mass ratio is 1:10-10:1, the co-toxicity coefficient is greater than 150, and the synergistic effect is significant.

[0240] Table 5 Results of the test on the biological activity of Isoflualanam and clothianidin against indoor aphids

[0241]

[0242] Table 6 Test results of the biological activity of Isoflualanam and Thiamethoxam against indoor aphids

[0243]

[0244] Table 7 Results of the test on the biological activity of Isoflualanam and Acetamiprid against indoor aphids

[0245]

[0246] Table 8 Isoflualanam and Thiacloprid compound pair indoor aphid biological activity test results

[0247]

[0248] Table 9 Isoflualanam and imidacloprid compound pair indoor aphid biological activity test results

[0249]

[0250]

[0251] Table 10 Isoflualanam and dinotefuran combined with indoor aphid biological activity test results

[0252]

[0253] Example 3: Field test on efficacy of aphid control

[0254] Test location: cucumber greenhouse in Xiaohongqiao Village, Shatou Town, Guangling District, Yangzhou City. The soil fertility of the test site is medium, drainage and irrigation are convenient, and the growth of cucumbers is basically the same.

[0255] Test crops and targets: cucumber (Jinyou 401), aphids;

[0256] Experimental design: There are 14 treatments in total, each with 4 replicates, and each plot is 20m2. 2 The experiment was carried out once at the early stage of melon aphid outbreak, and the prepared pesticide was sprayed on the front and back of the upper and lower leaves of cucumber using a 3WBS-16 backpack electric sprayer. When applying the pesticide, the surrounding area was isolated with plastic film to prevent the pesticide from drifting to adjacent treatments.

[0257] Survey method: Randomly sample five points in each plot, fix one plant at each point, and survey 5 plants in total in each plot. Investigate the number of aphids on all leaves of the whole plant, investigate the base number of insects before applying the pesticide, and investigate the number of residual insects 3d and 10d after applying the pesticide.

[0258] Calculation formula and data analysis:

[0259]

[0260]

[0261] Field efficacy test results:

[0262] Table 11 Results of field test on efficacy of aphid control

[0263]

[0264] The field control effects of various agents on cucumber aphids are shown in Table 11. It can be seen from the table that 3 days after the application of the medicine, each compound preparation treatment group showed good rapid effect, and the control effect was 80.83% to 92.87%; 10 days after the application of the medicine, each mixed preparation also showed good persistent effect, and the control effect was 90.05% and 97.18%, respectively, which was significantly higher than the control single agent.

[0265] Example 4: Field efficacy test for controlling Bemisia tabaci

[0266] Test basis: The test refers to NY / T 1464.43-2012 "Guidelines for Field Efficacy Tests of Pesticides Part 43: Insecticides for Control of Vegetable Whiteflies".

[0267] The test site is located in the vegetable base of Datangbian Village, Shouchang Town, Jiande City, Hangzhou City, Zhejiang Province. The land is flat, the soil is fertile, and the drainage and irrigation conditions are good.

[0268] Test target: Bemisa tabaci Gennadius.

[0269] Experimental crops: pepper.

[0270] Experimental design: The experiment set up 10 treatments, each treatment was repeated 4 times, and the area of ​​each plot was 50m 2 All experimental plots were arranged in random blocks.

[0271] Application time and method: Use Delixi 3WBD-20L backpack electric sprayer for spraying. Measure the required agent for each treatment, dissolve it with a small amount of water, add appropriate amount of water to the final concentration, and spray evenly over the whole plant. Only spray once during the whole test, every 667m 2 45L of liquid medicine was administered.

[0272] Efficacy investigation: The experiment was investigated 4 times in total. The base number of whiteflies adults on the whole pepper plant was investigated before application. 30 crops were marked in each plot. The whiteflies on the whole plant were investigated in the morning when the whiteflies were not very active. The number of residual insects in each treatment was investigated and recorded 1d, 3d and 7d after application.

[0273] Calculation formula and data analysis:

[0274]

[0275] The results of the field efficacy test are shown in the following table:

[0276] Table 12 Results of field efficacy test on control of whitefly

[0277]

[0278] The results of the field efficacy test show that isoflualanam and nicotine insecticides in a suitable mass ratio have a good control effect on whiteflies. Three days after the application, the overall control effect of each compound preparation on whiteflies was 85.63% to 89.62%, with good rapidity; seven days after the application, the control effect of each compound preparation treatment group was higher than 90.57%, which can be used under high insect population density. During the test, no phytotoxicity or other abnormal phenomena were found in the peppers.

[0279] The insecticide composition or the preparation obtained by compounding the present invention has significant control effect, and is superior to a single agent in delaying the generation of drug resistance and prolonging drug retention. In addition, no compound agent was found to cause phytotoxicity to crops in the test, indicating that the insecticide composition or preparation obtained can reduce production costs and use costs and is safe for crops when the insecticide synergistic synergy is improved.

[0280] Although the present invention has been described in detail above with general descriptions and specific implementation schemes, it is obvious to those skilled in the art that some modifications or improvements can be made on the basis of the present invention. Therefore, these modifications or improvements made without departing from the spirit of the present invention are within the scope of protection claimed by the present invention.

Claims

1. An insecticidal composition containing a nicotine insecticide, characterized in that: The insecticide composition comprises an active ingredient A and an active ingredient B, wherein the active ingredient A is isoflualanam, and the active ingredient B is a nicotinoid insecticide, wherein the nicotinoid insecticide is any one of flubendiamide, sulfoxaflor, clothianidin, thiamethoxam, acetamiprid, thiacloprid, imidacloprid, dinotefuran, nitenpyram, and flupyrazone, and the mass ratio of the active ingredient A to the active ingredient B is 1:40 to 45:

1.

2. The insecticidal composition according to claim 1, characterized in that The active ingredient B is flubendiamide, and the mass ratio of the active ingredient A to the active ingredient B is 1:21 to 42:1; The active ingredient B is sulfoxaflor, and the mass ratio of the active ingredient A to the active ingredient B is 1:24 to 30:1; The active ingredient B is clothianidin, and the mass ratio of the active ingredient A to the active ingredient B is 1:28 to 15:1; The active ingredient B is thiamethoxam, and the mass ratio of the active ingredient A to the active ingredient B is 1:30 to 24:1; The active ingredient B is acetamiprid, and the mass ratio of the active ingredient A to the active ingredient B is 1:32 to 30:1; The active ingredient B is thiacloprid, and the mass ratio of the active ingredient A to the active ingredient B is 1:30 to 20:1; The active ingredient B is imidacloprid, and the mass ratio of the active ingredient A to the active ingredient B is 1:20 to 25:1; The active ingredient B is dinotefuran, and the mass ratio of the active ingredient A to the active ingredient B is 1:32 to 32:1; The active ingredient B is nitenpyram, and the mass ratio of the active ingredient A to the active ingredient B is 1:40 to 30:1; The active ingredient B is flupyrazone, and the mass ratio of the active ingredient A to the active ingredient B is 1:30 to 24:

1.

3. The insecticidal composition according to claim 2, characterized in that The active ingredient B is flubendiamide, and the mass ratio of the active ingredient A to the active ingredient B is 1:15 to 35:1; The active ingredient B is sulfoxaflor, and the mass ratio of the active ingredient A to the active ingredient B is 1:16 to 30:1; The active ingredient B is clothianidin, and the mass ratio of the active ingredient A to the active ingredient B is 1:24 to 15:1; The active ingredient B is thiamethoxam, and the mass ratio of the active ingredient A to the active ingredient B is 1:24 to 12:1; The active ingredient B is acetamiprid, and the mass ratio of the active ingredient A to the active ingredient B is 1:20 to 24:1; The active ingredient B is thiacloprid, and the mass ratio of the active ingredient A to the active ingredient B is 1:20 to 12:1; The active ingredient B is imidacloprid, and the mass ratio of the active ingredient A to the active ingredient B is 1:15 to 20:1; The active ingredient B is dinotefuran, and the mass ratio of the active ingredient A to the active ingredient B is 1:24 to 24:1; The active ingredient B is nitenpyram, and the mass ratio of the active ingredient A to the active ingredient B is 1:32 to 27:1; The active ingredient B is flupyrazone, and the mass ratio of the active ingredient A to the active ingredient B is 1:24 to 18:

1.

4. The insecticidal composition according to claim 3, characterized in that The active ingredient B is flubendiamide, and the mass ratio of the active ingredient A to the active ingredient B is 1:15 to 12:1; The active ingredient B is sulfoxaflor, and the mass ratio of the active ingredient A to the active ingredient B is 1:16 to 14:1; The active ingredient B is clothianidin, and the mass ratio of the active ingredient A to the active ingredient B is 1:18 to 9:1; The active ingredient B is thiamethoxam, and the mass ratio of the active ingredient A to the active ingredient B is 1:12 to 12:1; The active ingredient B is acetamiprid, and the mass ratio of the active ingredient A to the active ingredient B is 1:8 to 12:1; The active ingredient B is thiacloprid, and the mass ratio of the active ingredient A to the active ingredient B is 1:9 to 9:1; The active ingredient B is imidacloprid, and the mass ratio of the active ingredient A to the active ingredient B is 1:10 to 15:1; The active ingredient B is dinotefuran, and the mass ratio of the active ingredient A to the active ingredient B is 1:10 to 10:1; The active ingredient B is nitenpyram, and the mass ratio of the active ingredient A to the active ingredient B is 1:24 to 18:1; The active ingredient B is flupyrazone, and the mass ratio of the active ingredient A to the active ingredient B is 1:12 to 10:

1.

5. The insecticidal composition according to claim 1, characterized in that Based on the total mass of the insecticide composition being 100 wt%, the sum of the contents of the active ingredient A and the active ingredient B in the insecticide composition is 0.5% to 90%; Preferably, the sum of the contents of the active ingredient A and the active ingredient B in the insecticide composition is 1% to 85%.

6. The insecticidal composition according to claim 1, characterized in that In addition to the active ingredients, the insecticide composition also includes agriculturally acceptable auxiliary ingredients, which are selected from one or more of wetting agents, dispersants, emulsifiers, thickeners, disintegrants, antifreeze agents, defoamers, solvents, preservatives, stabilizers, synergists or carriers.

7. The insecticidal composition according to claim 6, characterized in that The insecticide composition can be prepared into a formulation form permitted in agriculture, and the formulation form is selected from a solid formulation and / or a liquid formulation; Preferably, the solid preparation is selected from wettable powders and water dispersible granules; the liquid preparation is selected from emulsifiable concentrates, aqueous emulsions, microemulsions, suspensions, suspoemulsions, dispersible oil suspensions and soluble solutions.

8. Use of the insecticide composition according to any one of claims 1 to 7 in preventing and controlling agricultural and forestry pests and sanitary pests.

9. The use according to claim 8, characterized in that: The agricultural and forestry pests and sanitary pests are Hemiptera pests.

10. The insecticidal composition according to claim 1, characterized in that The insecticide composition is applied to the pests to be controlled or the medium where they grow in an effective dose.

Images