31 results about "Phyllocnistis citrella" patented technology

The invention relates to a method for synthesizing a phyllocnistis citrella stainton pheromone compound. (Z)-7-hexadecene aldehyde is synthesized by using 1,7-heptandiol and bromo-n-nonane as starting materials and through six steps of reactions (comprising a Witting reaction); (Z,Z)-7,11-hexadecadienoic aldehyde is synthesized by using the 1,7-heptandiol, 1,4-butanediol and bromo-n-pentane as starting materials and through multi-step of reactions (comprising two Witting reactions); and (Z,Z,E)-7,11,13-hexadecatrienoic aldehyde is synthesized by using 2-octyne-1-alcohol, 1-iodine-3-chloropropane and trans-2-amylene aldehyde as starting materials and through multi-step of reactions (comprising a coupling reaction and a Witting reaction). The invention has the advantages of low price and easy obtaining of raw materials, simple and reasonable synthesizing route, convenient and safe operation and high utilization rate of the raw materials.

The invention discloses a monosultap imidacloprid liquid dispersibility effervescent tablet and a preparation method thereof. The dispersibility effervescent tablet selects a best formula, comprising 5-50% of monosultap, 5-50% f imidacloprid, 3-6% of dispersing agent, 3-25% of lubricating agent, 1-10% of acid effervescence agent, 1-10% of alkalinity effervescent tablet, 0.5-5% of binder and 100% of diluent. The dispersibility effervescent tablet can effectively prevent and control the rice planthopper, the Cnaphalocrocis medialis, the Chilo suppressalis and the Scirpophaga incertulas as well as the pests such as the Ceratovacuna lanigera Zehntner, the phyllocnistis citrella stainton, the vegetable aphid and the like.

The invention discloses a spirotetramat containing pesticide composition, which is a pesticide composition containing an active component A and an active component B, wherein the active component A is spirotetramat, the active component B is any one of the following pesticides: chlorpyrifos, MTMC (meta-tolyl-N-meth ylcarbamate) and isoprocarb, and the weight ratio of the two active components is 60:1-1:80. The composition disclosed by the invention can control various insect pests, has an obvious synergistic effect, expands the insecticidal spectrum, and has high activities to aphids, thrips, phylloxera, mealybug, aleyrodid, scale insects, rice planthopper, rice leaf folders, prodenia litura, bradysia odoriphaga, tryporyza incertulas, leafhopper, phyllocnistis citrella stainton, cotton aphid, cotton bollworms, phyllocoptes oleivorus ash, tea lesser leafhopper, plutella xylostella, cabbage caterpillar, and asparagus caterpillar; the application amount of pesticides is reduced, the residues of pesticides on crops are reduced, and the environment pollution is reduced; and the composition is safe to people and livestock and good in environmental compatibility, and pests are unlikely to produce pesticide resistance.

The invention discloses a pesticide composition containing sulfoxaflor. The pesticide composition comprises an active component A and an active component B, wherein the active component A is selected from sulfoxaflor and the active component B is selected from any of the following insecticides: chlorbenzuron, Hexaflumuron, Chlorfluazuron and diflubenzuron, and the weight percentage of A and B is 1-60%:1-60%. The composition can control damage of various pests, has notable synergetic action, widens the insecticidal spectrum and is of high activity on cotton bollworm, pink bollworm, Lithocolletis ringoniella, Phyllocnistis citrella stainton, brassicaceous vegetable plutella xylostella, cabbage caterpillar and beet armyworm. The consumption of the pesticide is reduced, the residual quantity of the pesticide on crops is decreased and environmental pollution is abated. The pesticide composition is safe to human and livestock, good in environmental compatibility and not likely to be resisted by pests.

The invention discloses an artificially synthesized phyllocnistis citrella stainton gyplure. The gyplure is prepared by the following steps: mixing cis7 cis11-hexadecadienal, cis7 cis11 trans13- hexadecatrienal, cis7-hexedecanal and ethyl acetate in proportion by weight parts of 30:(1-30):(0.1-20):(0.1-20); adding 0.1 to 1 weight percent of vitamin E, TBHQ (tert-butyl hydroquinone), BHT (butylated hydroxytoluene) or BHA (butylated hydroxyanisole) as an antioxidant; and adding 0.1 to 1 weight percent of benzophenone, benzotriazole or hindered amine and mixture as an optical stabilizer. The artificially synthesized phyllocnistis citrella stainton gyplure has the following advantages: phyllocnistis citrella stainton diseases can be prevented and monitored, the trapping effect can be intensified and cost can be reduced, industrial efficiency improvement and orchard worker income increase can be facilitated, orange pesticide residue does not exist, the environment is not polluted, ecological balance is not destroyed, and sustainable development of orange industry is facilitated.

The invention discloses a cyantraniliprole-containing pesticidal composition which contains an active component A and an active component B, wherein the active component A is selected from spirotetramat; the active component B is selected from buprofezin, tsumacide or mobucin; and the weight ratio of the active component A to the active component B is 60:1-1:80. The composition disclosed by the invention can prevent and treat many soil pests, has an obvious synergistic action, widens the pesticidal spectrum, and has higher activity for flea beetle, aphid, thrips rice stem borer, yellow rice borer, rice leaf roller, rice fulgorid, leafhopper, coccid, phyllocnistis citrella stainton, orange arrowhead scale and smaller green leafhopper of tea; the invention reduces the consumption of the pesticide, lowers the residue level of the pesticide on crops, and reduces the environmental pollution; the composition is safe for both human and livestock, and has favorable environmental compatibility; and the pests can not easily generate drug resistance.

The invention discloses a compounded insecticidal water emulsion containing triazophos and spirodiclofen and a preparation method thereof. The water emulsion comprises the following components in percentage by weight: 10-40% of triazophos and 0.5-10% of spirodiclofen. The insecticidal water emulsion is prepared by carrying out uniform dispersion on the components through a mechanical stirring or high-speed shearing mixing emulsifier. The product has no drug resistance, is high in pesticide effect, has special effect on citrus mite, and simultaneously can be used for treating lepidoptera insects such as phyllocnistis citrella stainton and papilio xuthus Linnaeus. The insecticidal water emulsion has the advantages that water is used as a dispersing medium, environmental pollution is less, no crystallization occurs after the insecticidal water emulsion is stored for two years, the shelf life is long, the nonflammable property is achieved, the storage and transportation are safe, the production technique is simple, the cost is reduced greatly compared with that of single use of the spirodiclofen, and the like.

The invention belongs to the technical field of fruit tree plantation, and particularly relates to a citrus tree phyllocnistis citrella control medicine and control method thereof, the medicine comprises 20% of chlorantraniliprole, 15% of indoxacarb, 20% of carbosulfan persistance effect, 2.5% of kung fu 40-60 parts or 10% of bug quinoline and water, fully mixing the above constitutes by proportion; when the new shoots growing to 0.5-1 cm length, selecting cloudy or sunny days to spray once the above medicine to citrus tree seedlings, after 6-10 days spraying a second time. The citrus tree phyllocnistis citrella control medicine, has constituents of low toxic high efficient pesticide, is friendly to environment, and is excellent in availability and persistence, and can effectively control the harm of phyllocnistis citrella.

The invention discloses a special insecticide for Shatian pomelo as well as a preparation method and application thereof and relates to the technical field of insect killing of the Shatian pomelo. Thespecial insecticide is prepared from the following components in parts by weight: 30 to 50 parts of a traditional Chinese medicine extracting solution, 1 to 5 parts of azadirachtin, 1 to 3 parts of celangulin-V, 2 to 6 parts of toosendanin, 3 to 5 parts of camptothecin, 2 to 8 parts of furanocoumarin, 3 to 8 parts of plant essential oil, 1 to 3 parts of sodium hydroxide, 0.5 to 2 parts of acetone, 1 to 6 parts of 95 percent ethanol and 1 to 3 parts of an emulsifier. After the special insecticide for the Shatian pomelo is blended with water which is 100 to 200 times of the volume of the special insecticide, a mixture is sprayed on plant parts with insect pests or whole plants, and can be used for efficiently preventing and controlling the insect pests including phyllocoptruta oleivora ashmead, scale insects, phyllocnistis citrella, Resseliella ctitrifrugis Jiang, bactrocera dorsalis, aphids and contarinia citri barnes of the Shatian pomelo, and the insect killing rate reaches 99 percent or above; the special insecticide for the Shatian pomelo has the advantages of low toxicity, easiness for degradation, no residues and no harms to people and environment, and accords with a conceptof green and pollution-free planting of the Shatian pomelo.

The invention discloses a pesticide composition containing sulfoxaflor. The pesticide composition comprises an active component A and an active component B, wherein the active component A is selected from sulfoxaflor and the active component B is selected from any of the following insecticides: chlorbenzuron, Hexaflumuron, Chlorfluazuron and diflubenzuron, and the weight percentage of A and B is 1-60%:1-60%. The composition can control damage of various pests, has notable synergetic action, widens the insecticidal spectrum and is of high activity on cotton bollworm, pink bollworm, Lithocolletis ringoniella, Phyllocnistis citrella stainton, brassicaceous vegetable plutella xylostella, cabbage caterpillar and beet armyworm. The consumption of the pesticide is reduced, the residual quantity of the pesticide on crops is decreased and environmental pollution is abated. The pesticide composition is safe to human and livestock, good in environmental compatibility and not likely to be resisted by pests.

The invention discloses a pesticide composition containing Chromafenozide, and provides an insecticidal composition which comprises an active component A and an active component B, wherein the active component A is Chromafenozide, the active component B is anyone compound selected from the following components: Lufenuron, Ethiprole, Chlorfenapyr, and Pyriproxyfen, and the weight ratio between the active component A and the active component B is 1:70-70:1. The composition can be used for controlling a plurality of insects with obvious synergistic effects and enlarged insecticidal spectrum, and has high activities for rice hoppers, yellow rice borers, rice stem borers, rice leaf rollers, aphids, Empoasca pirisuga, Phthorimaea operculella, Laspeyresia pomonella, Carposina niponensis, Lithocolletis ringoniella, Matsumuraeses phaseoli, Phyllocnistis citrella, Eriophyes oleivorus, scale insects, Spodoptera exigua, Pieris rapae, Anterhynchium flavomarginatum, thrips, Spodoptera litura, Helicoverpa armigera, and Etiella zinckenella. Pesticide dosage, residual quantity of the pesticide on crops, and environment pollution are reduced.

The invention relates to a method for prevention and control of phyllocnistis citrella of citrus gonggan trees. The method includes steps: step S1, weeding and intertilling frequently; step S2, timelyand sufficiently supplying nutrients according to nutrient demands of citrus in a current growth stage; step S3, timely removing deadwood and diseased branches out of an orchard, and well carrying out summer pruning and winter pruning; step S4, avoiding planting of phyllocnistis citrella host plants around the orchard; step S5, manually digging eggs in an egg-laying stage of phyllocnistis citrella from May to June and from July to August yearly; step S6, protecting natural enemies of phyllocnistis citrella; step S7, adopting physical means including (1) manually catching in mating of phyllocnistis citrella; (2) checking phyllocnistis citrella emergence holes in tree trunks before and after the Tomb-Sweeping Day, and killing larvae with iron wire hooks; eliminating eggs before and after the Summer Solstice; step S8, adopting chemical means including selecting bifenthrin or efficient lambda-cyhalothrin for prevention and control. The method is environmentally friendly, high in fast-acting effect and persistence in prevention and control of phyllocnistis citrella of citrus gonggan trees and effective in population density reduction and phyllocnistis citrella harm inhibition.

The invention relates to a citrus gonggan phyllocnistis citrella controlling method. The method includes the following steps that 1, seedling and scion quarantine are strictly executed; 2, natural enemies are protected and manually stocked; 3, a pesticide is applied on roots; 4, a pesticide is sprayed onto tree crowns; 5, a pesticide is smeared on tree trunks. The citrus gonggan phyllocnistis citrella controlling method has the beneficial effects that the practical controlling effect can be obviously improved, the pesticide usage amounts are reduced, duration of pest killing efficacy is prolonged, residues of the pesticides on crops are reduced, and environmental pollution is reduced; the compatibility with human and livestock safety and the environment is good, and pests are not prone toproduce pesticide resistance.

The invention relates to an insecticide composition containing thiotraniliprole and beta-cypermethrin. The thiotraniliprole and beta-cypermethrin are blended in a weight ratio of (1-30):(1-60) to realize a remarkable synergistic effect. The insecticide composition is suitable for preventing and controlling the pests such as plutella xylostella, pieris rapae, prodenia litura, helicoverpa armigera, ostrinia nubilalis, homona magnanima and phyllocnistis citrella of crops. The insecticide composition is superior to single dosage in fast-acting property and persistence, the pesticide dosage and cost are reduced, and environmental protection and comprehensive treatment of agricultural pests are facilitated.

The invention provides a high-efficiency pesticide composition and application thereof, and relates to the field of pesticides. Active ingredients of the high-efficiency pesticide composition are teflubenzuron and high-efficiency cyhalothrin in a mass ratio of 5 to (0.5 to 15). The invention also provides application of the high-efficiency pesticide composition in preventing cabbage caterpillar, aphids and asparagus caterpillar in vegetables, pectinophora gossypiella, helicoverpa armigera, cotton aphids and tetranychus telarius linne in cotton, and phyllocnistis citrella, spider mites, Empoasca pirisuga Matumura and green fruitworm in fruit trees. The two active ingredients of the pesticide composition produce a synergistic effect, so that the preventive effect is good, the fast-acting property is good, the consumption of the pesticide and the toxicity are reduced, the occurrence of drug resistance is slowed down, the pesticide application security is improved, the pollution is reduced, and the cost is saved.

The invention discloses a method for preventing and controlling Orah (late-maturing hybrid citrus) phyllocnistis citrella. In an early stage of phyllocnistis citrella pest damage, a bisultap solutionis sprayed, in a stage of phyllocnistis citrella pest damage, a plant source pesticide is sprayed, wherein the plant source pesticide comprises the following raw materials: incised corydalis herbs, ailanthus altissima, achyranthis radix, anabasis aphylla branches, Illicium verum fruits, fennel and black falsehellebore. According to the invention, the raw materials of the plant source pesticide aresimple, the quality is stable, the practical prevention and control effects can be obviously improved, the use amount of the pesticide is reduced, the duration time of the pesticide control effect isprolonged, pests do not generate pesticide resistance, and therefore effects of saving work, time and labor are achieved.

The invention provides a Chinese herbal medicine composition for replacing pesticides to repel, prevent and control diseases and insect pests and a method of the Chinese herbal medicine composition. The Chinese herbal medicine composition comprises the following components: a tea seed cake extract, a hot pepper extract, a sophora flavescens extract, a humus extract, a veratrum nigrum extract, a flue-cured tobacco stem extract, a camphorwood residue extract, a derris root extract, a pyrethrum extract and a fructus cnidii extract. Green plant source components with Chinese herbal medicines as raw materials are adopted for common pest control, and the result shows that the repelling and killing effects of pests such as Psyllidae, red spiders, aphids, Phyllocnistis citrella, Icerya purchasi, phyllocoptruta oleivora and cabbage caterpillars are obvious and can reach 90% or above. The structures of the raw materials and the composition are analyzed by Fourier transform infrared spectroscopy and the like, and the result shows that the Chinese herbal medicine composition contains characteristic peaks of effective components of the Chinese herbal medicine raw materials, and integrates excellent performance of the effective components of the Chinese herbal medicine; and the composition can be used for repelling and preventing common citrus diseases and insect pests such as Psyllidae, red spiders, aphids, Phyllocnistis citrella, Icerya purchasi, phyllocoptruta oleivora and cabbage caterpillars.

The invention discloses an insecticidal aerosol and a preparation method thereof. The insecticidal aerosol is prepared from the following raw materials in parts by weight: 1-3 parts of tobacco leaves,10-30 parts of boiling water, 0.5-1 part of quick lime, 20-60 parts of clear water, 0.1-0.2 part of washing powder, 1-3 parts of eucalyptus oil and 2-4 parts of eucalyptus extract. The tobacco leavescontain 1%-3% of nicotine which is a quick-acting insecticide, has strong contact killing and fumigating effects, is wide in insecticidal range and can prevent and control aphids, thrips, stink bugs,leafhoppers, leaf rollers, Phyllocnistis citrella, Hydrellia griseola, cabbage caterpillars and other injurious insects; the washing powder can make the adhesive force of the insecticide better, andguarantee insecticidal effect; and the eucalyptus oil and the eucalyptus leaf extract have specific cooling eucalyptus leaf fragrance, have certain camphor smell and medicinal smell, present a spicy cool feeling, have strong and non-lasting fragrance and exert mildew-proof, bactericidal and preservative effects.

The present invention relates to an efficient insecticide composition for killing agricultural pests. The efficient insecticide composition comprises, by weight, 10-50 parts of cyhalothrin, 20-40 parts of dinotefuran, and 20-60 parts of benzoylurea. The efficient insecticide composition has characteristics of significant synergy effect, reduction of the effective component use amount, reduction of the use cost, delaying of the drug resistance production of pests, effective reduction of environmental pollution and pesticide residues, and reduction of damage on the environment, and provides the significant killing effects on cotton bollworm, cotton pink bollworm, cotton aphid, corn borer, Phyllocnistis citrella Stainton, scale insect nymph, red spider, leaf rollers larva, pod borer, aphids, diamondback moth, Mamestra brassicae Linnaeus, spodoptera litura, oriental tobacco budworm, cabbage webworm, cabbage butterfly, mosquitoes, flies and other pests.

The invention discloses a compounded insecticidal water emulsion containing triazophos and spirodiclofen and a preparation method thereof. The water emulsion comprises the following components in percentage by weight: 10-40% of triazophos and 0.5-10% of spirodiclofen. The insecticidal water emulsion is prepared by carrying out uniform dispersion on the components through a mechanical stirring or high-speed shearing mixing emulsifier. The product has no drug resistance, is high in pesticide effect, has special effect on citrus mite, and simultaneously can be used for treating lepidoptera insects such as phyllocnistis citrella stainton and papilio xuthus Linnaeus. The insecticidal water emulsion has the advantages that water is used as a dispersing medium, environmental pollution is less, no crystallization occurs after the insecticidal water emulsion is stored for two years, the shelf life is long, the nonflammable property is achieved, the storage and transportation are safe, the production technique is simple, the cost is reduced greatly compared with that of single use of the spirodiclofen, and the like.

The invention relates to an insecticide composition containing 1-(3-fluoro-4-chlorophenyl)-2-hexamethyl ethyl ketoxime-O-(2-methyl biphenyl) ether and spirotetramat. The composition is prepared by dually formulating effective ingredients of 1-(3-fluoro-4-chlorophenyl)-2-hexamethyl ethyl ketoxime-O-(2-methyl biphenyl) ether and spirotetramat, wherein the mass ratio of the 1-(3-fluoro-4-chlorophenyl)-2-hexamethyl ethyl ketoxime-O-(2-methyl biphenyl) ether to the spirotetramat is (24-42): (20-2), the total mass of the 1-(3-fluoro-4-chlorophenyl)-2-hexamethyl ethyl ketoxime-O-(2-methyl biphenyl) ether and the spirotetramat in the preparation accounts for 1%-8% of the whole preparation mass, and the composition also comprises auxiliary components which are allowable and acceptable in pesticides. The insecticide composition can be produced into forms of cream, suspending agents, wettable powder, water dispersible granules, emulsion in water and microemulsion. The insecticide composition is mainly used for preventing various piercing-sucking mouthpart pests such as aphids, thrips, phylloxeraes, mealybugs, aleyrodidae, scale insects, tea tree pests such as euproctis pseudoconspersa strand, empoasca pirisuga matumura and tea geometrid, phyllocnistis citrella stainton and vegetable-crop pests such as pierisrapaeLinne.

The invention relates to a method for synthesizing a phyllocnistis citrella stainton pheromone compound. (Z)-7-hexadecene aldehyde is synthesized by using 1,7-heptandiol and bromo-n-nonane as starting materials and through six steps of reactions (comprising a Witting reaction); (Z,Z)-7,11-hexadecadienoic aldehyde is synthesized by using the 1,7-heptandiol, 1,4-butanediol and bromo-n-pentane as starting materials and through multi-step of reactions (comprising two Witting reactions); and (Z,Z,E)-7,11,13-hexadecatrienoic aldehyde is synthesized by using 2-octyne-1-alcohol, 1-iodine-3-chloropropane and trans-2-amylene aldehyde as starting materials and through multi-step of reactions (comprising a coupling reaction and a Witting reaction). The invention has the advantages of low price and easy obtaining of raw materials, simple and reasonable synthesizing route, convenient and safe operation and high utilization rate of the raw materials.

The invention relates to an agricultural insecticide composition containing thiotraniliprole and a benzoylurea insecticide. The benzoylurea insecticide is selected from hexaflumuron, teflubenzuron, diflubenzuron, flufenoxuron, chlorfluazuron or triflumuron, and an evident synergistic effect can be achieved by mixing the thiotraniliprole and the benzoylurea insecticide. The insecticide composition is suitable for prevention and control of injurious insects such as plutella xylostella, pieris rapae, prodenia litura, cotton bollworm, ostrinia nubilalis, tortricidae and phyllocnistis citrella, insecticide consumption and cost are reduced, and comprehensive control of agricultural insects and environment protection are benefited.

The invention discloses a spirotetramat containing pesticide composition, which is a pesticide composition containing an active component A and an active component B, wherein the active component A is spirotetramat, the active component B is any one of the following pesticides: chlorpyrifos, MTMC (meta-tolyl-N-meth ylcarbamate) and isoprocarb, and the weight ratio of the two active components is 60:1-1:80. The composition disclosed by the invention can control various insect pests, has an obvious synergistic effect, expands the insecticidal spectrum, and has high activities to aphids, thrips, phylloxera, mealybug, aleyrodid, scale insects, rice planthopper, rice leaf folders, prodenia litura, bradysia odoriphaga, tryporyza incertulas, leafhopper, phyllocnistis citrella stainton, cotton aphid, cotton bollworms, phyllocoptes oleivorus ash, tea lesser leafhopper, plutella xylostella, cabbage caterpillar, and asparagus caterpillar; the application amount of pesticides is reduced, the residues of pesticides on crops are reduced, and the environment pollution is reduced; and the composition is safe to people and livestock and good in environmental compatibility, and pests are unlikely to produce pesticide resistance.

The invention relates to an efficient insecticide composition for eliminating agricultural pests. The efficient insecticide composition is prepared from the following components in parts by weight: 10 to 50 parts of tolfenpyrad, 20 to 40 parts of cypermethrin, and 20 to 60 parts of chlordimeform. The efficient insecticide composition has the advantages that the synergistic effect is obvious, the dosage of effective ingredients is decreased, the use cost is lowered, the resistance of pests to drugs can be delayed, the environmental pollution is effectively alleviated, the pesticide residues are effectively reduced, and the effects on elimination of oriental tobacco budworm, cotton bollworm, plutella xylostella, asparagus caterpillar, prodenia litura, tea geometrid, pink bollworm, phytophthira, liriomyza sativae, beetles, stinkbugs, phylloxerae, thrips, pod borers, tortrix, caterpillar, slug caterpillar moths, phyllocnistis citrella stainton, ceroplastes rubens, mosquito, flies, cockroaches, fleas, lice, bedbugs, ants and other pests are obvious; meanwhile, the damage to environment can also be alleviated.

The invention discloses a pesticide composition containing methoxyfenozide and fenbutatin oxide. The pesticide composition is characterized in that active ingredients of the pesticide composition include the methoxyfenozide and the fenbutatin oxide, and the mass ratio of the methoxyfenozide to the fenbutatin oxide is 1:80-50:1. Better dosage forms of the pesticide composition disclosed by the invention are a suspending agent, missible oil, a micro-emulsion, water dispersible granules and wettable powder; the pesticide composition is used for preventing and treating pests and mites and has an especially good control effect on panonychus citri Mcgregor and phyllocnistis citrella.

The invention relates to a multi-integrated control method for phyllonistis citrella. The method is used for comprehensive control from the aspects of biological control, physical control, agricultural control, chemical control and the like; summer shoots and autumn shoots grow uniformly through rational scientific fertilization; when the summer shoots or the autumn shoots grow to 1-2 centimeters,three schemes are used together for control; a 500-time solution of 30% tolfenpyrad, a 500-time solution of thiocyclam and a 1500-time solution of a nano net-structure pesticide retarder are selected, or a 500-time solution of dinotefuran, a 500-time solution of profenofos and a 1500-time solution of the nano net-structure pesticide retarder are applied, or a 500-time solution of 20% emamectin benzoate.pyriproxyfen and a 1500-time solution of the nano net-structure pesticide retarder are applied; and sex pheromone is suspended in a citrus garden for attracting and killing phyllonistis citrella. The agent form of cream or powder is avoided for the pesticide in the method for avoiding pesticide harm; the pesticide spraying is uniform and thorough, especially for tenders; and the spraying iscarried out until liquid drops from leaves.

The invention discloses an insecticidal composition containing methoxyfenozide and acetamiprid. The insecticidal composition is characterized by comprising the methoxyfenozide as a first active ingredient and the acetamiprid as a second active ingredient; the mass ratio of the methoxyfenozide as the first active ingredient to the acetamiprid as the second active ingredient is 1:50-50:1; the totalweight of the methoxyfenozide as the first active ingredient and the acetamiprid as the second active ingredient is 5-90 percent by weight of the composition. Dosage forms of the insecticidal composition disclosed by the invention are missible oil, a suspending agent, water dispersible granules, wettable powder, a micro-emulsion and soluble powder. The insecticidal composition disclosed by the invention has a special effect on preventing and treating panonychus citri Mcgregor and phyllocnistis citrella.

The invention discloses an artificially synthesized phyllocnistis citrella stainton gyplure. The gyplure is prepared by the following steps: mixing cis7 cis11-hexadecadienal, cis7 cis11 trans13- hexadecatrienal, cis7-hexedecanal and ethyl acetate in proportion by weight parts of 30:(1-30):(0.1-20):(0.1-20); adding 0.1 to 1 weight percent of vitamin E, TBHQ (tert-butyl hydroquinone), BHT (butylated hydroxytoluene) or BHA (butylated hydroxyanisole) as an antioxidant; and adding 0.1 to 1 weight percent of benzophenone, benzotriazole or hindered amine and mixture as an optical stabilizer. The artificially synthesized phyllocnistis citrella stainton gyplure has the following advantages: phyllocnistis citrella stainton diseases can be prevented and monitored, the trapping effect can be intensified and cost can be reduced, industrial efficiency improvement and orchard worker income increase can be facilitated, orange pesticide residue does not exist, the environment is not polluted, ecological balance is not destroyed, and sustainable development of orange industry is facilitated.