CN115868502A

CN115868502A - Pesticide composition containing neonicotinoid

Info

Publication number: CN115868502A
Application number: CN202211621404.3A
Authority: CN
Inventors: 葛家成; 张芳; 刘金玲; 刘桂娟; 杨志鹏; 李晶
Original assignee: Shandong Hailir Chemicals Co ltd
Current assignee: Shandong Hailir Chemicals Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-03-31

Abstract

The invention belongs to the field of pesticide, and relates to a pesticide composition containing neonicotinoid and application thereof. The active ingredients of the pesticide composition comprise an active ingredient A and an active ingredient B, wherein the active ingredient A is Flupyroxystrobin, the active ingredient B is a neonicotinoid compound, and the mass ratio of the active ingredient A to the active ingredient B is 1. The composition has the advantages of synergism, resistance delay and the like, and is used for preventing and controlling resistant pests.

Description

Pesticide composition containing neonicotinoid

Technical Field

The invention belongs to the technical field of pesticides, and particularly relates to a pesticide composition containing neonicotinoid.

Background

Flupyroxystrobin is a methoxy acrylate pesticide, and the CAS number is as follows:114077-75-7, which has the chemical structural formula:

in the agricultural production process, the control of various harmful insects mainly depends on the application of a large amount of pesticide products, and the pesticide resistance of the harmful insects is continuously enhanced due to the frequent and unreasonable use of the pesticide products, so that the harmful insects are more seriously harmed to crops, and the prevention and the control are more difficult. By mixing two or more medicaments with different action mechanisms, different pests can be treated at the same time, the control effect of the medicaments is improved, and the generation of drug resistance of the pests is reduced.

Disclosure of Invention

The invention aims to provide a pesticide composition containing a neonicotinoid compound, which has a synergistic effect, reduces resistance and is low in use cost.

In order to achieve the purpose, the invention adopts the technical scheme that: a pesticide composition containing neonicotinoid comprises an active ingredient A and an active ingredient B, wherein the active ingredient A is Flupyroxystrobin, and the active ingredient B is a neonicotinoid compound;

further, the neonicotinoid compounds comprise imidacloprid, acetamiprid, dinotefuran, sulfoxaflor, clothianidin, thiacloprid, thiamethoxam, nitenpyram, nicotine, trifluoropyrimidine, nithiazine and imidaclothiz;

further, the neonicotinoid compounds are acetamiprid, dinotefuran, clothianidin and thiamethoxam;

further, the mass ratio of the active component A to the active component B is 1;

further, the mass ratio of Flupyroxystrobin to acetamiprid is 1;

further, the mass ratio of Flupyroxystrobin to thiamethoxam is 1;

furthermore, the mass ratio of Flupyroxystrobin to clothianidin is 1:6, 1:2, 1:1, 2:1 and 8:1;

further, the mass ratio of Flupyroxystrobin to dinotefuran is 1:5, 1:2, 6:7, 3:1 and 7:1;

further, the mass ratio of the active ingredient A to the active ingredient B is 1;

further, the sum of the content of the active ingredient A and the active ingredient B in the pesticide composition is 0.01-90 percent based on the total weight of the pesticide composition being 100 percent by weight;

further, the sum of the contents of the active ingredient A and the active ingredient B in the pesticide composition is 1-85% by weight of the total mass of the pesticide composition as 100 wt%;

further, the sum of the content of the active ingredient A and the content of the active ingredient B in the pesticide composition is 60%, 56%, 50%, 48%, 45%, 40%, 39%, 30%, 28%, 16%, 4% and 2% based on 100wt% of the total mass of the pesticide composition;

furthermore, the pesticide composition also comprises an auxiliary agent, wherein the auxiliary agent comprises a carrier and an auxiliary agent;

further, the carrier is one or more of water, solvent or filler;

further, the carrier is deionized water;

further, the solvent is selected from one or a mixture of more of N, N-dimethylformamide, cyclohexanone, toluene, xylene, dimethyl sulfoxide, methanol, ethanol, trimethylcyclohexanone, N-octylpyrrolidone, ethanolamine, triethanolamine, isopropylamine, N-methylpyrrolidone, propanol, butanol, ethylene glycol, diethylene glycol, ethylene glycol methyl ether, butyl ether, ethanolamine, isopropylamine, ethyl acetate or acetonitrile;

further, the filler is selected from one or a mixture of more of kaolin, diatomite, bentonite, attapulgite, white carbon black, starch or light calcium carbonate;

the auxiliary agent at least comprises a surfactant, and other functional auxiliary agents such as an antifreezing agent, a thickening agent, a stabilizing agent, a disintegrating agent, a defoaming agent, a slow release agent, a binder and the like can be added according to different use occasions and requirements;

the surfactant is selected from one or more of an emulsifier, a dispersant, a wetting agent, a dispersion medium or a penetrating agent;

the surfactant is a single agent or a compound preparation of a common nonionic surfactant or an anionic surfactant;

the other functional auxiliary agents are selected from one or more of an antifreezing agent, a thickening agent, a stabilizing agent, a disintegrating agent or a defoaming agent;

further, the emulsifier is selected from one or a mixture of more of agricultural milk 500# (calcium alkyl benzene sulfonate), OP series phosphate (surfactant phosphate), 600# phosphate (phenyl phenol polyoxyethylene ether phosphate), styrene polyoxyethylene ether wetting agent salt, magnesium salt of alkyl diphenyl ether disulfonate, triethanolamine salt, agricultural milk 400# (benzyl dimethyl phenol polyoxyethylene ether), agricultural milk 700# (alkylphenol formaldehyde resin polyoxyethylene ether), ning milk 36# (phenethylphenol formaldehyde resin polyoxyethylene ether), agricultural milk 1600# (phenethylphenol polyoxyethylene polypropylene ether), ethylene oxide-propylene oxide block copolymer, OP series (surfactant), BY series (castor oil polyoxyethylene ether), agricultural milk 33# (alkylaryl polyoxyethylene polyoxypropylene ether), span series (sorbitan monostearate), tween series (sorbitan fatty acid ester polyoxyethylene ether) or AEO series (fatty alcohol polyoxyethylene ether);

further, the dispersing agent is selected from one or a mixture of a plurality of polycarboxylate, lignosulfonate, alkylphenol polyoxyethylene formaldehyde condensate sulfate, calcium alkylbenzene sulfonate, naphthalene sulfonic acid formaldehyde condensate sodium salt, alkylphenol polyoxyethylene, fatty amine polyoxyethylene, fatty acid polyoxyethylene or glycerol fatty acid ester polyoxyethylene;

further, the wetting agent is selected from one or a mixture of more of sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, nekal BX, wetting penetrant F, chinese honeylocust fruit powder, silkworm excrement or soapberry powder;

further, the penetrating agent is selected from one or a mixture of more of penetrating agent JFC (fatty alcohol-polyoxyethylene ether), penetrating agent T (diisooctyl maleate sulfonate), azone or organic silicon;

further, a dispersion medium such as one or more of soybean oil, rapeseed oil, wheat oil, methyl oleate, diesel oil, machine oil, mineral oil, and the like;

further, the antifreezing agent is a mixture consisting of one or more of ethylene glycol, propylene glycol, glycerol or urea;

further, the thickening agent is selected from one or more of xanthan gum, a disintegrating agent, bentonite, carboxymethyl cellulose or magnesium aluminum silicate;

further, the stabilizing agent is selected from one or more of epoxidized soybean oil, epichlorohydrin, BHT, ethyl acetate and triphenyl phosphate;

further, the disintegrating agent is selected from one or a mixture of more of bentonite, urea, aluminum chloride, low-substituted hydroxypropyl cellulose, lactose, citric acid, succinic acid or sodium bicarbonate;

further, the defoaming agent is selected from one or a mixture of more of silicone oil, silicone compounds, C10-C20 saturated fatty acid compounds or C8-C10 fatty alcohol compounds.

Further, the pesticide composition can be prepared into a preparation formulation acceptable in pesticides, including a solid preparation, a liquid preparation, a seed treatment agent and other preparations;

furthermore, the preparation formulation is any one of water dispersible granules, wettable powder, suspending agents and granules;

the application of a pesticide composition containing neonicotinoid in the aspects of preventing and treating agricultural and forestry pests and sanitary pests;

further, the agricultural and forestry pests and sanitary pests are hemiptera and thysanoptera pests;

further, the hemiptera pest is Chinese chive maggot; the pests of the Thysanoptera are thrips;

further, the pesticide composition is applied to the pests or the medium for growth of the pests needing to be controlled in an effective dose.

The pesticide composition has the following advantages:

1) The pesticide composition shows synergistic effect in a certain proportion range, and improves the control effect of the composition on pests;

2) The two active ingredients in the pesticide composition have different action mechanisms, so that the generation of drug resistance of pests is effectively delayed, and the service life of the product is prolonged.

Detailed Description

The invention will be further illustrated with reference to the following examples, in which the percentages are by weight, but the invention is not limited thereto.

The composition of the invention can be provided in the form of a preparation. Can be prepared into suspending agents, water dispersible granules, emulsion in water, granules, wettable powder, dispersible oil suspending agents and the like according to requirements. The amount of active ingredient present in the compositions of the invention depends on the application rate used alone, on the compounding ratio and on the degree of synergism. The optimum range of active ingredient content will vary depending upon the type of formulation of the composition.

Preparation examples of formulations

Example 1:50% Flupyroxyltrobin acetamiprid water dispersible granule (1:1)

The formula is as follows: 25% Flupyroxyltrobin, 25% acetamiprid, 6% sodium polycarboxylate, 8% naphthalenesulfonate formaldehyde condensate, 2% sodium dodecyl sulfate, 4% sodium sulfate, and kaolin, the balance;

the preparation method comprises the following steps: adding the effective components into a carrier according to the proportion of a formula, adding a surfactant and other functional auxiliaries, mixing, carrying out jet milling, adding proper water, kneading, granulating, drying and screening to obtain the water dispersible granule product.

Example 2:28% Flupyroxylspinobin acetamiprid wettable powder (3:4)

The formula is as follows: 12% Flupyroxyltrobin, 16% acetamiprid, 5% naphthalenesulfonate formaldehyde condensate, 10% tea saponin, 2% sodium dodecyl sulfate, and kaolin to balance;

the preparation method comprises the following steps: the active ingredients, the dispersant, the wetting agent and the filler are mixed according to the proportion of the formula, evenly stirred in a stirring kettle, and evenly crushed and mixed for a plurality of times by a jet mill to prepare the wettable powder of the composition.

Example 3:45% of flupyroxystrobin thiamethoxam water dispersible granules (7:8)

The formula is as follows: 21% of Flupyroxystrobin, 24% of acetamiprid, 8% of sodium lignosulfonate, 8% of naphthalenesulfonate formaldehyde condensate, 2% of sodium dodecyl sulfate, 2% of citric acid, 4% of white carbon black and kaolin, and the balance;

the preparation method comprises the following steps: the same as in preparation example 1.

Example 4:40% Flupyroxylstrin thiamethoxam wettable powder (3:2)

The formula is as follows: 24% Flupyroxyltrobin, 16% thiamethoxam, 5% calcium lignosulfonate, 10% sodium lignosulfonate, 2% sodium lauryl sulfate, 2% citric acid, kaolin, the balance;

the preparation method comprises the following steps: the same as in preparation example 2.

Example 5:30% of flupyroxystrobin thiamethoxam suspension concentrate (1:1)

The formula is as follows: 15% of Flupyroxystrobin, 15% of thiamethoxam, 2% of fatty alcohol-polyoxyethylene ether, 2% of alkylaryl-polyoxyethylene ether polyoxypropylene ether, 1% of lignosulfonate, 4% of styrol-polyoxyethylene ether phosphate, 0.5% of magnesium aluminum silicate, 0.2% of xanthan gum, 2% of citric acid, 1% of sodium sorbate, 5% of ethylene glycol, 0.5% of silicone oil and deionized water to make up the balance;

the preparation method comprises the following steps: according to the formula proportion, the effective components, the surfactant and other functional additives are sequentially placed in a reaction kettle, water is added for uniform mixing, and the suspending agent product is obtained through high-speed shearing, wet sanding and finally homogeneous filtration.

Example 6:28% of flupyroxystrobin thiamethoxam granules (3:4)

The formula is as follows: 12% of flupyroxystrobin, 16% of thiamethoxam, 1% of sodium polycarboxylate, 3% of sodium lignosulfonate, 2% of polyvinyl alcohol, diatomaceous earth particles, the balance being made up;

the preparation method comprises the following steps: the preparation method comprises the steps of uniformly mixing the original medicine, the dispersing agent and the auxiliary agent by adopting a coating granulation method to prepare mother powder, adding the mother powder and the carrier into a coating granulator together for stirring, adding the prepared binder aqueous solution while stirring, fully and uniformly mixing, discharging, drying and sieving to obtain the granules.

Example 7:39% of flupyroxystrobin dinotefuran water dispersible granule (6:7)

The formula is as follows: 18% Flupyroxylstrin, 21% dinotefuran, 5% dispersant NNO, 10% naphthalenesulfonate formaldehyde condensate, 2% sodium dodecylsulfate, 8% white sugar, and kaolin, the balance;

Example 8:16% Flupyroxystrobin dinotefuran soluble granules (3:5)

The formula is as follows: 6% of Flupyroxystrobin, 10% of dinotefuran, 8% of polycarboxylic acid sodium salt, 10% of naphthalenesulfonate formaldehyde condensate, 2% of sodium dodecyl sulfate, 4% of sodium sulfate, 4% of white sugar and starch in balance;

Example 9:60% of flupyroxystrobin dinotefuran wettable powder (2:3)

The formula is as follows: 24% Flupyroxylstrin, 36% dinotefuran, 4% dispersant NNO, 8% sodium lignosulfonate, 2% sodium lauryl sulfate, kaolin, the balance;

Example 10:48% Flupyroxystrobin dinotefuran wettable powder (1:1)

The formula is as follows: 24 percent of Flupyroxyltrobin, 24 percent of dinotefuran, 5 percent of dispersant NNO, 10 percent of tea saponin, 2 percent of alkylphenol formaldehyde resin polyoxyethylene ether sulfate, 2 percent of sodium dodecyl sulfate and kaolin balance;

Example 11:4% Flupyroxystrobin dinotefuran granules (1:3)

The formula is as follows: 1% of Flupyroxyltrobin, 3% of dinotefuran, 2% of polyvinyl acetate, 1% of a naphthalene sulfonate formaldehyde condensate, 3% of sodium lignin sulfonate, and natural plant corncob particles;

the preparation method comprises the following steps: the same as in preparation example 6.

Example 12:30% of flupyroxystrobin clothianidin suspension (1:2)

The formula is as follows: 10% of Flupyroxystrobin, 20% of clothianidin, 2% of isotridecanol polyoxyethylene ether, 2% of alkylaryl polyoxyethylene ether polyoxypropylene ether, 1% of naphthalene sulfonate formaldehyde condensate, 4% of styrol polyoxyethylene ether phosphate, 0.5% of magnesium aluminum silicate, 0.2% of xanthan gum, 0.1% of methylisothiazolinone, 5% of glycerol, 0.5% of silicone oil and deionized water to make up the balance;

the preparation method comprises the following steps: the same as in preparation example 5.

Example 13:2% Flupyroxystrobin-clothianidin granules (1:1)

The formula is as follows: 1% of Flupyroxyltrobin, 1% of clothianidin, 1% of sodium polycarboxylate, 3% of sodium lignosulfonate, 2% of polyvinyl alcohol and sand washing particles;

Example 14:56% Flupyroxylstrin-clothianidin water dispersible granule (4:3)

The formula is as follows: 32% Flupyroxyltrobin, 24% clothianidin, 10% sodium polycarboxylate, 8% dispersant NNO, 2% sodium dodecyl sulfate, 4% anhydrous sodium sulfate, and kaolin, the balance being made up;

Example 15

Indoor biological activity assay

Thrips

The test method comprises the following steps: rolling the medicinal film into a tube;

a test insect source: thrips tabaci (Thrips tabaci));

reagent to be tested: the Flupyrolystrobin raw drug, the thiamethoxam raw drug and the acetamiprid raw drug are all provided by a group research and development center;

preparing a medicament: preparing mother liquor with the original medicinal organic solvent (acetone), and preparing 5-7 series mass concentrations with 0.1% Tween 80 aqueous solution according to an equal proportion or equal difference method.

The test operation method comprises the following steps:

1) Soaking in a tube: the test reagent is diluted to 5 concentrations by acetone in a concentration range determined by a pre-experiment, 250ul of reagents with various concentrations are added into the glass tube by a liquid-transferring gun, then the glass tube is flatly placed, and the glass tube is slowly rolled by hands to accelerate the volatilization of the reagents, so that the reagents are uniformly attached to the inner wall of the glass tube. Each tube is a repeat, each concentration is set to 8 repeats, and an acetone immersion tube is used as a reference;

2) Leaf soaking: fresh cabbage leaves were punched into small round pieces with a diameter of 1cm using a punch, and soaked in each concentration of the drug for 10s, using 0.1% Tween 80 as a control. Placing the treated leaves on filter paper for drying, and clamping into a glass tube with corresponding medicament concentration by using tweezers;

the 25-headed adult thrips were transferred to a glass tube with a trematode and the mouth of the tube was sealed with a 200 mesh gauze.

And (3) placing the treated test insects in a temperature of 25 +/-0.1 ℃, a humidity of 60% -80% and a light-dark ratio of 1698 h, and feeding and observing in an insect breeding room.

Investigation time: the mortality rate of thrips was observed after 48h, and the death was judged by touching thrips with writing brush tip and keeping the thrips still.

Chinese chive maggot

The test method comprises the following steps: double filter paper method;

test agents: flupyroxystrobin, clothianidin and dinotefuran, which are provided by the research and development center of the group.

Testing insects: healthy 3-instar larvae with consistent growth and development;

preparing a medicament: the test agents were dissolved in acetone and formulated into 5 series of concentrations with 0.1% aqueous tween 80.

And (3) test treatment: 2 pieces of filter paper

Soaking in the medicinal liquid, spreading filter paper on the cover of the culture dish, and picking 20 active and robust 3-year-old larvae on one side of the filter paper. Soaking 1cm long cauloid of folium Allii tuberosi in the medicinal liquid for 10s, and placing near larva. Another filter paper was placed over the larvae.

The treated test insects are placed in a constant temperature incubator at the temperature of 23 +/-l, water and the pseudostems of the Chinese chives are supplemented every day, and the number of the live insects is checked. Each treatment was repeated 4 times and the control group was treated with 0.1% aqueous tween 80.

The investigation method comprises the following steps: after all of the control and agent treated larvae had pupated, the surviving larvae were examined for normal pupation numbers and malformed pupation numbers approximately 192h (8 d) after treatment, and malformed pupation was also treated as dead.

Data statistics and analysis: the blank control mortality rate is less than 5% without correction; the blank control mortality rate is 5% -10%, and the mortality rate needs to be corrected; the blank mortality rate was above 10%, and the test was repeated.

The specific calculation formula is as follows:

The theoretical toxicity index TTI = TI of the mixed preparation _A ×P _A +TI _B ×P _B

In the formula: p _A 、P _B Respectively the proportion of A, B in the composition.

Co-toxicity coefficient (CTC): CTC < 80 is antagonistic, CTC > 120 is synergistic, and between 80 and 120 is additive.

LC for solving virulence regression line by adopting IBM SPSS Statistics 20 statistical analysis system for analysis ₅₀ Value and its 95% confidence limit and correlation coefficient R ² The activity of the test agent on the biological sample is evaluated.

And (3) test results:

combined virulence of mixed pair thrips:

the results in table 1 show that the blending of Flupyroxylbine, acetamiprid and thiamethoxam has better combined action on thrips, the co-toxicity coefficient is more than 120 when the weight ratio of Flupyroxylbine to acetamiprid is 1-24-10, and the synergistic action is shown; when the weight ratio of Flupyroxystrobin to thiamethoxam is 1; wherein, the co-toxicity coefficient is more than 120 when the ratio is 2.

TABLE 1 indoor toxicity test results of Flupyroxystrobin compounded with acetamiprid and thiamethoxam on thrips

And (3) combined virulence of the mixed pair Chinese chive maggots:

the results in table 2 show that the blending of Flupyroxystrobin, clothianidin and dinotefuran has a good combined effect on the chive maggots, the cotoxicity coefficient is greater than 120 when the weight ratio of Flupyroxystrobin to clothianidin is 1:6-8:1, and the synergistic effect is shown; when the weight ratio of Flupyroxystrobin to thiamethoxam is 1:5-7:1, the co-toxicity coefficient is more than 120, and the synergistic effect is shown.

Table 2 indoor toxicity test results of combinations of Flupyroxystrobin, clothianidin and dinotefuran on Chinese chive maggots

Example 16

Examples of the effects of the field

Field test 1

Test crops and targets: scallion and thrips;

test site: a welsh onion planting base in the flow area of Pingyi county in Linyi City, shandong province;

test time: 24 months at 2021;

and (3) testing environment: the cultivation conditions of all the test districts are uniform and consistent, and the same fertilizer and water management level is adopted;

test reagents:

table 4 experimental design

The test method comprises the following steps: the thrips occurred in the full period, and the application is performed 1 time.

Cell area and repetition: random block arrangement of 25m per cell ² Each treatment was repeated 4 times.

The investigation method comprises the following steps: sampling is carried out at five random points in each cell, 2 green Chinese onion leaves are investigated at each point, tags are hung, thrips on the green Chinese onions are flapped into white plastic barrels paved with filter paper by a beating method, and the number is counted.

Investigating population base before applying the pesticide, investigating survival quantity of the treated leaf thrips of the scallion in 1 day and 7 days after applying the pesticide, and respectively calculating prevention and treatment effects.

Calculation formula and data analysis:

the field efficacy experiment result is as follows:

TABLE 5 field drug effect of mixed preparation for prevention and treatment of thrips

Note: the data are average values of 4 repetitions, and the numerical values retain two decimal points.

Field test 2

Field efficacy test for preventing and treating chives and Chinese chives maggots by different medicament treatment

Test reference standard: GB/T17980.67-2004 agricultural chemical field efficacy test guidelines (II) part 67: insecticide for preventing and controlling leek maggot and root maggot

Test time and place: a planting base for leek in Guidao City of Qingdao, shandong province in 4 months in 2021;

test work: leek (Allium tuberosum rot), variety: pingchi No. 4;

the control object is: bradysia odoriphaga (chive maggot);

the cultivation conditions of all the test cells are uniform and consistent;

the application period is as follows: the test is carried out 14 days after the preceding leeks are harvested, the field insect test is carried out at the initial generation stage, and the pesticide application is carried out for 1 time;

application treatment:

TABLE 5 treatment and dosage of the agents

And (3) test setting: the test adopts random block arrangement, and the test is 20m per cell ² Each treatment was repeated 4 times. Root spraying method.

The investigation method comprises the following steps:

1) Investigation of the plant damage rate: and (4) counting the healthy plants and the damaged plants (based on yellow, soft and lodging of leaf tips) by taking 10 holes (piers) in each row 2 in the center of the cell.

2) Survival population survey: and finally digging 5-hole (mound) Chinese chives in the central area of the cell for the first investigation, and counting the number of live maggots inside and outside the bulb.

Investigation time and number of times: the total investigation was conducted 3 times before and 7d and 14d after the application of the drug;

the calculation method of the drug effect and the growth rate inhibition rate comprises the following steps:

TABLE 6 field control test for controlling Chinese chive and Chinese chive maggot

The field pesticide effect test shows that the blending of Flupyroxystrobin and dinotefuran or clothianidin has good seedling protection effect and control effect on leek maggots, and the persistent period is long.

The pesticide composition or the preparation thereof obtained by compounding has obvious control effect, and is superior to a single preparation in the aspects of delaying the generation of drug resistance and prolonging the drug-holding property. And the compound pesticide is not found to cause phytotoxicity to crops in the test, which shows that the production cost and the use cost can be reduced and the pesticide composition or the preparation is safe to the crops under the condition of improving the insecticidal synergy.

Although the invention has been described in detail with respect to the general description and the specific embodiments thereof, it will be apparent to those skilled in the art that modifications and improvements can be made thereto without departing from the spirit of the invention.

Claims

1. A neonicotinoid-containing pesticidal composition characterized by: the composition comprises an active ingredient A and an active ingredient B, wherein the active ingredient A is Flupyroxystrobin, and the active ingredient B is a neonicotinoid compound.

2. The pesticidal composition according to claim 1, characterized in that: the neonicotinoid compounds comprise imidacloprid, acetamiprid, dinotefuran, sulfoxaflor, clothianidin, thiacloprid, thiamethoxam, nitenpyram, nicotine, trifluoro-benzene pyrimidine, nithiazine or imidaclothiz;

preferably, the neonicotinoid compound is acetamiprid, dinotefuran, clothianidin or thiamethoxam.

3. The pesticidal composition according to any one of claims 1 to 2, characterized in that: the mass ratio of the active component A to the active component B is 1;

preferably, the mass ratio of the active component A to the active component B is 1.

4. The pesticidal composition according to any one of claims 1 to 3, characterized in that: the sum of the contents of the active ingredient A and the active ingredient B in the pesticide composition is 1-85% by taking the total mass of the pesticide composition as 100 wt%.

5. The pesticidal composition according to any one of claims 1 to 4, characterized in that: the pesticide composition also comprises an auxiliary agent, wherein the auxiliary agent comprises a carrier and an auxiliary agent.

6. The pesticidal composition according to any one of claims 1 to 5, characterized in that: the pesticide composition can be prepared into a preparation formulation acceptable in pesticides, and comprises a solid preparation, a liquid preparation, a seed treatment agent and other preparations;

preferably, the preparation formulation is any one of water dispersible granules, wettable powder, suspending agents and granules.

7. The use of a pesticidal composition according to any one of claims 1 to 6 for combating agricultural and forestry pests, hygiene pests.

8. Use of a pesticidal composition according to claim 7, characterized in that: the agricultural and forestry pests and sanitary pests are hemiptera and thysanoptera pests.

9. Use of a pesticidal composition according to claim 8, characterized in that: the hemiptera pest is Chinese chive maggot; the pests of the Thysanoptera are thrips.

10. Use of a pesticidal composition according to claim 7, characterized in that: the pesticide composition is applied to the pests to be controlled or the medium in which the pests grow in an effective dose.