36 results about "Culex" patented technology

The invention provides a mosquito killing Bacillus sphaericus leafing agent which is prepared by the following steps: firstly, concentrating mosquito killing Bacillus sphaericus ferment filtrate by a film concentration method; then, adsorbing the mosquito killing Bacillus sphaericus ferment filtrate by a porous carrier substance, mixing the mosquito killing Bacillus sphaericus ferment filtrate and sustained release agent and drying the mosquito killing Bacillus sphaericus ferment filtrate into a master batch at 40 DEG C-50DEG C; and finally, coating hydrophobing agent. The mosquito killing Bacillus sphaericus leafing agent is prepared by a low temperature production process, the loss rate (namely valence loss rate) of active components is only about 10 percent, and the solid recovery rate reaches about 95 percent. The technology ensures low valence loss rate, low energy consumption and low transportation cost in the production process. By measurement, the leafing agent has the effect on continuously killing Culex fatigans for more than 28 days (indoor measurement) by putting the 4mg / L leafing agent into water at one time.

The invention discloses banisterine benzoyl urea compounds and a preparation method and application thereof. The banisterine benzoyl urea compounds have a structural formula I shown in the specification; in the formula I, R1 can be methyl, phenyl, 3,4,5- triethoxy phenyl, p-methoxyphenyl or p-chlorphenyl, R2 can be H or Br, and X can be O or S. The banisterine benzoyl urea compounds have an outstanding insecticidal activity for Culex fatigans, prodenia litura and Chilo suppressalis; a part of the compounds are identical to a control insecticide Dibenzoyl-1-tert-butylhydrazine in term of activity; the banisterine benzoyl urea compounds have good inhibitory activity for rice sheath blight disease, alternaria solani, Collectotrichum musae, grey mould fruit rot of strawberry and sour rot pathogenic bacteria of citrus; a part of the compounds have better inhibitory activity for the above five phytopathogens than validamycin. The banisterine derivatives are simple in structure and easy to synthesize; the synthesis process is simple, the product purity is high; the banisterine benzoyl urea compounds and the preparation method thereof are suitable for large-scale industrial popularization and application.

The invention relates to the clothing field, particularly to an antibacterial functional medical textile. The textile is characterized in that a silver ion antibacterial agent, a soil-releasing finishing agent and a permethrin mosquito repellent finishing agent are used for processing the textile to enable the textile to acquire antibacterial, soil-releasing and mosquito repellent functions. A processing method includes processing fabric into a semi-product for after-treatment after steps of pretreatment, dyeing or printing and the like; preparing a functional finishing agent which is antibacterial, soil-releasing and mosquito repellent; padding the working solution; drying; baking; packaging; and manufacturing leisure wear. The textile has broad-spectrum high-effect antibacterial functions on a plurality of harmful bacteria such as staphylococcus aureus, pneumobacillus, escherichia coli, pseudomonas aeruginosa, monilia albican and trichophyton mentagrophytes, the bacteriostasis rate of the textile for the harmful bacteria such as staphylococcus aureus after washed for 100 times can still reach above 99%, stay and biting of mosquitoes can be reduced effectively, repellent and contact toxicity functions can be performed on various mosquitoes such as culex, Aedes aegypti, ticks and bugs, and the leisure wear made of the textile is provided with obvious antibacterial, deodorant, itching relieving and mosquito repellent functions.

The invention relates to culex and aedes attractant and an application method, belonging to the mosquito attractants containing organic compounds; the attractant in the invention is formed by mixing caprylic acid and benzpyrole, wherein the concentration of the caprylic acid is 10mug / ml, and the concentration of the benzpyrole is 0.1-1mug / ml, and the caprylic acid and the benzpyrole are prepared by 1:1 of volume ratio; the application method is that: the attractant is arranged in the room or at the field and is released slowly and naturally; in the field, the attractant is arranged in a glass long-neck volumetric flask or is released by being arranged in glass long-neck bottles with corks or is used with an insect trap. In the invention, the attractant can effectively attract culex pipiens pallens, aedes albopictus and other mosquitos, and the drug diffusion is little, and the attraction efficiency is high.

The invention discloses an anti-mosquito finishing process of a textile fabric. The textile fabric is cotton, tencel, modal, blended cotton (viscose cotton, polyester cotton, polyamide cotton), silk, a wool cotton dyed fabric, a thin chemical fiber fabric, a pair of socks, a mosquito net and the like. The process comprises the steps of: selecting a mosquito repellent and a low-temperature fixative, carrying out nano microencapsulation on the mosquito repellent by utilizing a microencapsulation technology, carrying out anti-mosquito finishing on a textile fabric to form an anti-mosquito emulsion through the low-temperature fixative, dehydrating and curing to finally obtain the anti-mosquito finished fabric. The anti-mosquito fabric fabricated by the anti-mosquito finishing process has a fast mosquito killing function, a repelling rate of the anti-mosquito finishing process on aedes albopicus, culex pipiens pallens and the like is higher than 90 percent and an anti-biting rate of the anti-mosquito finishing process is 100 percent; the anti-mosquito fabric does not have bad influence on physical indices such as appearance, strength, moisture absorbing property and the like of the fabric; the anti-mosquito fabric has a good anti-mosquito effect after being washed 15 times; and the anti-mosquito finished fabric does not stimulate or cause allergy to skin, is safe and non-toxic to ahuman body, and is comfortable to wear.

The invention discloses a mosquito trapping composition and application thereof. The mosquito trapping composition is composed of a component A and a component B, wherein the component A is selected from one of lactic acid, acetic acid, propionic acid, octanoic acid and 1-octen-3-ol, the component B is urea, and the mass ratio of the component A to the component B is (1-5):(1-5). According to themosquito trapping composition, through the synergistic effect of all the components and simulation of the smell of a human body at the same time, an optimal culex trapping effect can be achieved.

The invention relates to a hygienic insecticidal composition containing a specific pyrethroid insecticide and a specific neonicotinoid insecticide. Compared with the single agent, the composition hasa remarkable synergistic effect, has the improved insecticidal effect, has a synergistic coefficient of more than 130, and particularly has excellent knockdown and killing effects on sanitary injurious insects resistant to pyrethroid. According to the invention, the compound preparation has excellent prevention effect on culex pipiens pallens, is low in toxicity, odorless and non-irritant comparedwith related preparations containing alpha-cyano pyrethroid, and is suitable for indoor and outdoor sanitary pest prevention and control.

The invention relates to the field of clothing and in particular relates to a processing technology of a medical insect-proof and odor-resisting textile fabric. The processing technology comprises thefollowing processing steps: carrying out steps of pre-treating, dyeing or printing and the like on a fabric to obtain a semi-finished product and waiting for after-finishing treatment; preparing finishing liquid with antibacterial, stain-releasing and anti-mosquito functions; padding a working solution; drying; pre-shrinking and packaging. The medical insect-proof and odor-resisting textile fabric provided by the invention has a broad-spectrum and efficient antibacterial effect on various harmful bacteria including staphylococcus aureus, pneumobacillus, escherichia coli, pseudomonas aeruginosa, candida sporogenes, trichophyton mentagrophytes and the like, is used for effectively reducing staying and biting of mosquitoes and has dispelling and contact killing effects on various mosquitoes,such as culex mosquitoes, aedes aegypti mosquitoes, ticks and bugs; loungewear produced by the fabric has remarkable antibacterial, odor-resisting, itching-relieving and anti-mosquito functions.

The invention discloses a method for controlling Culex palustris by using Beauveria bassiana, which comprises the following steps: 1) cultivating Beauveria bassiana to obtain a culture of Beauveria bassiana; 2) cultivating Beauveria bassiana centrifuge and collect the sediment, mix the Beauveria bassiana sediment with brown sugar powder 2g, algae extract 1g and yeast extract powder 0.5g, and dry at 30-40°C to obtain Beauveria bassiana Mixture; polylactic acid 100g was dissolved in 500mL of acetone to obtain a polylactic acid solution; Beauveria bassiana mixture, polylactic acid and urea with different contents were mixed evenly to prepare a spray film solution containing urea with different contents; 3) using Expandable polystyrene beads are used to prepare pellet cores; and the pellet cores are sprayed multiple times to obtain mosquito control particles; 4) Sprinkling the mosquito control particles into water bodies that require mosquito control, That is to realize the prevention and control of mosquitoes. The invention has the functions of trapping mosquito larvae and killing mosquitoes.

The invention relates to the field of species identification, and discloses a kit for identifying culex pipiens pallens and culex fatigans based on a high-resolution melting curve. The kit is characterized in that universal primers are designed according to the sequences of ND5 genes of the culex pipiens pallens and culex fatigans, and various forms such as bugs, eggs, larvae and pupae of the culex pipiens pallens and culex fatigans are identified through an optimized high-resolution melting curve reaction system. The culex pipiens pallens and culex fatigans can be identified, operation is simple, speed is high, no postprocessing is required by PCR products, the difference of a single basic group can be detected, and closed-tube operation is truly realized.

Compositions described herein are purposed to attract gravid mosquitoes to oviposit in a preferred environment. The composition for directing the oviposition of mosquitoes comprises one or more attractants and N—P—K additive, wherein the N—P—K additive is mixture that contain chemical elements nitrogen, phosphorus and potassium. The attractants can be modified to provide a composition for facilitating the oviposition of different kind of mosquito. The composition described above, can be modified to provide a composition for facilitating the oviposition of the Anopheles species of Culicidae. The composition can also include cooked whey, n-heneicosane and / or tetradecanoic acid methyl ester to provide a composition for facilitating the oviposition of the Aedes species of Culicidae. The composition can also be modified to provide a composition for facilitating the oviposition of the Culex species of Culicidae.

Provided is a specific LED lamp for trapping mosquitoes. The specific LED lamp for trapping mosquitoes includes a mosquito trapping component, wherein the mosquito trapping component comprises an LEDbulb, an LED light control circuit board, a switch and a charging interface, the LED bulb emits light with a wavelength of 370-515 nm and light intensity of 20-300 Lux. Through the specific LED lamp,multiple varieties of mosquitoes breeding in bedrooms, office areas, elevators, workshops, farms, green belts, parks and other indoor and outdoor environments can be trapped effectively under the conditions of dark nights, and an especially significant trapping effect on Culex is achieved; the specific LED lamp has a high trapping rate for target pests, low trapping rate for non-target insects, whole-day use, little harm to human eyes and skin, safety for humans and animals and energy saving and environmental protection.

Compositions described herein are purposed to attract gravid mosquitoes to oviposit in a preferred environment. The composition for directing the oviposition of mosquitoes comprises one or more attractants and N—P—K additive, wherein the N—P—K additive is mixture that contain chemical elements nitrogen, phosphorus and potassium. The attractants can be modified to provide a composition for facilitating the oviposition of different kind of mosquito. The composition described above, can be modified to provide a composition for facilitating the oviposition of the Anopheles species of Culicidae. The composition can also include cooked whey, n-heneicosane and / or tetradecanoic acid methyl ester to provide a composition for facilitating the oviposition of the Aedes species of Culicidae. The composition can also be modified to provide a composition for facilitating the oviposition of the Culex species of Culicidae.

The invention relates to a fruit-based culex attractant. The fruit-based culex attractant comprises, by mass, 1-50% of red berry pulp, 1-50% of banana pulp, 1-50% of sugar, 1-50% of red wine and the balance water, wherein the red berry pulp and the banana pulp are prepared from rotted or damaged red berries and bananas respectively. The fruit-based culex attractant is high in culex attracting ratio, wide in material source, cheap, environment friendly, convenient to use and non-toxic to people and livestock, thereby being a safe, environment-friendly, efficient, simple and convenient culex control product.