43 results about "Methoprene" patented technology

The invention provides a biological insecticide containing methoprene as well as preparation and application methods thereof. The biological insecticide is prepared from the following components: 0.01-10% of methoprene, 0.01-5% of surfactant, 0.01-10% of light stabilizer and 75-99% of solvent. The biological insecticide has the advantages that: by adopting the mixed solvent and the surfactant at the same time, the effective ingredients can be uniformly dispersed in the solution, and the uniformity of the effective ingredients in the using process can be ensured; the light stabilizer is added, thus the attenuation rate of methoprene is obviously reduced, the storage life of the insecticide is prolonged, and the using effect of the insecticide is enhanced; and the biological insecticide has very obvious killing effects on mosquitoes and flies in water as well as beetles, flour moths and other lepidoptera, diptera, coleoptera, homoptera and other insects in grain and tobacco, and can be applied to prevention and control of mosquitoes and flies in tap water, storage of grain and tobacco as well as disinfection and insect disinfection of carpets and the like.

The invention provides a 5% S-methoprene wettable powder and a preparation method and application thereof. The wettable powder is mainly used for inhibition of grain storage insects. The 5% S-methoprene wettable powder is prepared from S-methoprene, a carrier, a surfactant, a dispersant and an anti-oxidant. The prepared wettable powder is nontoxic, green and environment-friendly, has high activity on target insects and a ppm-grade application concentration and is a novel green grain storage insect inhibitor.

The invention provides a long-acting low-toxicity high-efficiency insecticidal composition. The composition comprises methoprene and at least one chloronicotinyl insecticide. Through synergism between methoprene and the chloronicotinyl insecticide, the scope of control objects and application fields of the insecticide is broadened; different existing forms of insects in each stage of the whole life cycle can be effectively controlled; the effective utilization rate of the insecticide is increased; cost for the insecticide is reduced for peasants; the service life of chemical pesticide is prolonged; and resistance generation is delayed.

A topical insecticide is provided which can be safe to use and avoids many common deleterious side effects of conventional topical insecticides. In one preferred embodiment of the invention, the active ingredient of the insecticide formulation is an amine derivative, having a nitro-methylene group, a nitroamino group or a cyanoamino group, which can be formulated to have low toxicity and excellent insecticidal activity. One particularly suitable insecticide is 1-{(tetrahydro-3-furanyl)methyl}-2-nitro-3-methylguanidine (dinotefuran), an aldulticide that will kill adult fleas combined with methoprene.

The invention provides a safe, environment-friendly and efficient insecticidal composition, which comprises methoprene and at least one pyrethroid insecticide. The two insecticides have different modes of action, and through the synergistic effect of the two, the insecticidal composition can play an insecticidal role more quickly and more completely, effectively controls different insect body shapes at various stages in the whole life cycle of pests, at the same time also reduces the frequency of drug administration by farmers, lowers the pharmacy cost, and delays the generation of resistance.

Compositions and methods for killing ectoparasites on a subject. Compositions containing a fatty acid ester, e.g., isopropyl myristate, effective for killing ectoparasites is described. Also described are compositions containing a fatty acid ester and a siloxane (e.g. decacyclomethicone). The compositions can also contain a mectin and/or a mycin, and S-methoprene. The compositions are useful against a variety of ectoparasites that afflict humans, animals, and plants, e.g., head lice, fleas, body lice, crab lice, scabies mites, ticks, and plant parasites.

The invention relates to a pharmaceutical composition for preventing and/or treating pet ectoparasites, characterized in that the pharmaceutical composition comprises the following components: 5-20% of feprenil, 4-18% of formazan Oxyprene, 2-10% emollient, and the balance pharmaceutically acceptable carrier. The invention also relates to the preparation method of the pharmaceutical composition and its application in the preparation of medicines for preventing and/or treating pet diseases.

The present invention provides one kind of (6S)-6-methyl-2-ketone derivatives in novel structure. The (6S)-6-methyl-2-ketone derivatives may prepared with (4R)-methyl caprolactone obtained easily from steroid sapogenin oxidizing and degrading waste as material, and may be applied in synthesizing optical pure (S)-ethyl methoprene. The present invention can raise the utilization rate of steroid sapogenin, reduce environmental pollution, prepare thioketal compounds in the structure as shown and expand the application range of steroid sapogenin oxidizing and degrading waste.

The invention discloses a new silkworm drug. S-methoprene is prepared into soluble powder, solution agent and oil concentrate agent which are suitable for silkworms to eat; the silkworm drug is used for regulating growth development of domestic silkworms and extending age so that the silkworms eat more mulberry leaves in a silk gland development stage, thus, the conversion of silk leaves is promoted, the yield of silkworm cocoons is increased, the adverse effect in the cocoon quality and the silk quality is avoided, and the cocoon quality and the silk quality are improved relatively. The silkworm drug is stable in pesticide effect and convenient to use, and is beneficial for improving the efficiency of breeding silkworms for silkworm raisers.

The present invention relates to the application of insect juvenoid analog in the proliferation of insect baculovirus, and is especially the method of raising the yield of insect baculovirus with insect juvenoid. The method includes treating effective insect larva in its initial end period with insect juvenoid analog while virus infection, and further feeding of the insect until its death of virus infection. According to the said method, juvenoid analog ZR-515 (Methoprene) is used to treat beet armyworm larva to raise the death rate of beet armyworm caused by nuclear polyhedron virus infection, raise monocephalic virus content and total virus yield. The method of the present invention can raise virus yield for pesticide.

The invention discloses an insecticide composition for controlling the stored grain pest population. The insecticide composition comprises active components of illicium verum essential oil, deltamethrin and methoprene. The mass ratio of the illicium verum essential oil to the deltamethrin to the methoprene is 1:(1-4):(4-20). The application amount of the illicium verum essential oil in stored grain is larger than or equal to 0.25 mg/kg, the application amount of the deltamethrin in the stored grain is 0.25-1 mg/kg, and the application amount of the methoprene in the stored grain is 1-5 mg/kg.According to the insecticide composition, based on the characteristics of the three kinds of pesticides of the methoprene, the deltamethrin and the illicium verum essential oil in prevention and treatment of stored grain pests, the advantages of the three kinds of pesticides are sufficiently used, the defects of the three kinds of pesticides are overcome, the three kinds of pesticides are scientifically and reasonably combined, and the insecticide composition has a synergistic function and is used for prevention and treatment for the stored grain pests; particularly for controlling the population of coleoptera and lepidoptera stored grain pests such as tribolium castaneum, the insecticide composition has a good fast-acting property, the aim of controlling pest dangers for a long time can also be achieved, and the insecticide composition is safe and free of pollution and has important application popularization value.

The invention provides a nutrient solution for gaining weight of domestic silkworms and an application of the nutrient solution. The nutrient solution is composed of the following active ingredients such as S-methoprene, antioxidants, and carriers. The nutrient solution is an aqueous liquid, and each part of the nutrient solution can be used for feeding 25 thousand silkworms, and can achieve the effect of 10% or above of weight gain of silkworm cocoons.

The invention relates to an insecticidal composition. The composition comprises an active component A and an active component B, wherein the active component A is selected from one of (S)-methoprene and methoprene; the active component B is selected from one of malathion, temephos, pirimiphos-methyl and fenitrothion. According to the invention, the insecticidal spectrum and the application field are expanded through the synergistic effect of the active compounds, the insect state of pests in each stage is effectively controlled, the prevention and control effect is improved, the dosage of thepesticide is reduced, the prevention and control cost is reduced, the pesticide resistance is delayed, and the production practicability is achieved.

The invention provides a nutrient solution used for increasing cocoon weight and silk yield of silkworms. The nutrient solution used for increasing cocoon weight and silk yield of the silkworms is composed of the following ingredients: an active ingredient S-methoprene, an antioxidant, a carrier, and the like. The nutrient solution used for increasing cocoon weight and silk yield of the silkwormsis aqueous liquid capable of achieving the effect of increasing weight of silkworm cocoons by 10% or above at an addition amount of 1 part for per 25 thousand of silkworms.

The invention belongs to the technical field of pesticide insecticide compounding and particularly relates to an ultra-low volume spray containing methoprene and transfluthrin and application. Active components of the composition are methoprene and transfluthrin, and the ratio of the active component methoprene to transfluthrin is 1:1-60. An efficient formulation is provided, the synergy is obvious after the compounding, the control effect is remarkable, the pesticide use amount is greatly reduced, the pesticide application cost is reduced, the ultra-low volume spray is convenient to spray, the environmental pollution is small, and the ultra-low volume spray adapts to a large-area cultivation mode.

The invention discloses a silkworm cocoon weighing and whitening powder as well as a preparation method and use method thereof, and belongs to the technical field of silkworm medicines. The silkworm cocoon weighing and whitening powder is made of brown sugar or white sugar and a methoprene emulsion in water, wherein the weight ratio of the brown sugar or white sugar to the methoprene emulsion in water is (100:9)-(100:18); the mass percentage of methoprene in the methoprene emulsion in water is 4-4.5%. The invention further discloses a preparation method and a use method of the silkworm cocoon weighing and whitening powder. By adopting the powder disclosed by the invention, defects of a methoprene liquid agent in the prior art can be overcome, the methoprene is prepared into a powder agent for the first time in China, in addition, the expiration date can be greater than or equal to 9 months. The powder disclosed by the invention is high in security and low in transportation cost. The powder can be applied to fifth instar larvae, the silkworm cocoon amount can be increased by 15-20%, in addition, the silkworm cocoon is good in whiteness, the silkworm cocoon grade is high, the price of the silkworm cocoon can be increased, and remarkable economic benefits can be made; moreover, the disease ratio or death ratio of the fifth instar larvae can be reduced.

The invention belongs to the technical field of pesticide and insecticide compounding, and in particular, relates to an ultralow-volume spraying agent containing fenthion and an application thereof. The composition has the effective ingredients of methoprene and fenthion, wherein the ratio of the effective component methoprene to the effective component fenthion is (1-20) to 2. The invention provides an efficient dosage form, after compounding, synergy is significant, the prevention and treatment effects are prominent, the pesticide use amount is greatly reduced, the cost of pesticide application is reduced, moreover, spraying is convenient, and the spraying agent has less pollution to the environment and adapts to large-area farming ways.

Fipronil formulations and fipronil/S-methoprene co-formulations are provided herein. These formulations optionally contain one or more additional active ingredient(s). The formulations comprise an organic solvent, an alcohol co-solvent, and one or more antioxidants and without any crystallization inhibitor. The formulations provided herein are antiparasitic, and can be used, for example, to combat dog and cat parasites, such as, fleas and ticks.

The invention discloses an insecticidal fumigant for a cigarette making machine set and a fumigating and killing method, belonging to the field of pest control of cigarette production equipment. The insecticidal fumigant for the cigarette making machine set is prepared from the following components in percentage by weight: 19 to 36% of sulfuryl fluoride, 54 to 76% of carbon dioxide and 5 to 10% ofS-methoprene. A preparation method of the insecticidal fumigant comprises the step of sequentially filling a pressure-resistant container with the sulfuryl fluoride, the carbon dioxide and the S-methoprene according to a sequence from a low vapor pressure from to a high vapor pressure. The fumigating and killing method comprises the following steps: sealing a cigarette making machine set, injecting the insecticidal fumigant into the cigarette making machine set, conducting fumigating and killing for 36-48 hours at a temperature of 15-35 DEG C, and recovering the insecticidal fumigant after the fumigating and killing are finished. The fumigant disclosed by the invention is low in toxicity, small in adsorption capacity, fast in analysis, strong in permeability and high in safety, can be used for effectively killing hidden insects and worm eggs in the unit, and has the advantages of thorough insect killing, short fumigating and killing period and no adverse effect on a cigarette unit.

The invention relates to a preparation method for methoprene microcapsules. The preparation method comprises the following steps: firstly, carrier preparation is carried out, namely, a polymerization reaction with a mol ratio of succinic acid, butylene glycol and lactic acid being 1:1:0.2-0.3 is carried out, and a carrier PBS-co-PLA is obtained; secondly, oil phase preparation is carried out, namely, PBS-co-PLA, methoprene and dichloromethane are weighed with a mass ratio of PBS-co-PLA, methoprene and dichloromethane being 3.5-4.5:1:10, the PBS-co-PLA carrier is dissolved in dichloromethane, after the PBS-co-PLA is dissolved in dichloromethane fully, the methoprene active compound is added and dissolved and an oil phase is obtained; thirdly, water phase preparation is carried out, deionized water is measured and taken with a mass ratio of the oil phase to the water phase being 1:5-7, an emulsifier dispersant is added in water and dissolved and a water phase is obtained; fourthly, microcapsule preparation is carried out, namely, the oil phase is added in the water phase, an oil and water mixed emulsion is obtained, an antifoaming agent is added, microcapsule suspension is prepared after curing, water washing is carried out, the supernatant is removed, and a finished product is obtained after drying. The method is simple in technology and is environmentally friendly. The obtained methoprene microcapsules have a good form, the encapsulation efficiency is 78%, the drug loading capacity is 50%, the effective release period is 30 days, the drug release amount is 94%, and the methoprene microcapsule is an ideal pesticide sustained release agent.

The invention belongs to the technical field of agricultural insecticide compounding and particularly provides a composition containing pymetrozine and application. The effective components of the composition are methoprene and pymetrozine, wherein the mass ratio of the effective components, namely the methoprene to the pymetrozine, is 1: (5-15). The effect can be obviously improved. The composition has a remarkable prevention and control effect, relieves the problem of pest resistance to insecticides to the most degree, accordingly the dosage of agricultural insecticides is decreased, and the prevention and control costs are reduced. In addition, the composition is convenient to spray and apply and small in environmental pollution and is suitable for a large-area tillage mode.