27 results about "Weevil" patented technology

The invention discloses a botanical attractant for camellia weevils and application of the botanical attractant, and belongs to the technical field of plant disease and pest control. The botanical attractant provided by the invention comprises palmitic acid and / or phytol. The palmitic acid and / or the phytol have / has remarkable and efficient attraction activity on the camellia weevils, and are suitable for detecting the population trend of the camellia weevils, efficient attraction control and the like. Compared with a traditional method for chemically preventing and treating the camellia weevils at the present stage, the method for preventing and treating the camellia weevils through the plant source attractant is milder, more efficient, environmentally friendly and free of toxic and side effects, and important value can be provided for market application and application and popularization.

1. The name of the design product: toy metamorphic insect (rice weevil). 2. The use of the design product: children's toys, for people to play. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective drawing.

The invention relates to the technical field of agricultural detection and plant disease and insect pest recognition, in particular to a rapid identification method for infected sweet potato small weevils, which is technically characterized by comprising the following steps: collecting suspected infected sweet potato samples and hermetically enriching volatile organic gases; acquiring a response signal containing a plurality of gas sensitive elements through electronic nose equipment; performing normalization processing on the original response value, and extracting the maximum response value of each sensor to construct a sample odor feature vector; carrying out dimensionality reduction on the multi-dimensional response data by utilizing principal component analysis to obtain a sample principal component vector; and performing similarity comparison on the main component template and a preset main component template of the ipomoea batatas infection in a database, calculating a similarity index S by adopting cosine similarity, and judging that the infection is positive when S is greater than a set threshold value. The identification process does not need DNA extraction, does not need microdissection, is high in response speed, is suitable for field on-site rapid deployment, and has the advantages of being simple and convenient to operate, sensitive in detection, good in repeatability and the like.

This invention discloses a high-energy-absorbing lightweight sandwich structure mimicking the elytra of a pine knot weevil and its preparation method, belonging to the field of additive manufacturing technology for lightweight energy-absorbing structures. The structure includes an upper panel, a lower panel, and a core layer structure disposed between them. The core layer structure is formed by splicing together an array of structural units. Each structural unit includes a central elliptical cavity and two hollow cylindrical supports on either side, with the elliptical cavity and the hollow cylindrical supports connected to form a load-bearing system. In the three-layer structure, the middle layer structural unit array is staggered along the axis of the elliptical cavity, and process communication holes are provided on the shared middle panel of adjacent layers. This structure can be integrally formed using selective laser melting, and features good energy absorption performance, reliable connection, and easy powder removal, making it suitable for UAV fuselages and other lightweight protective structures.

The utility model discloses a kind of prevention and cure traps suitable for sweet potato small elephant beetle, including collection box, first trapping component, second trapping component and third trapping component installed in collection box, drawer installed in collection box, collection box is equipped with collection room, first connecting port, second connecting port and third connecting port, collection box has material collecting box, material collecting and being located in collection room, drawer is placed in material collecting box, first connecting port, second connecting port and third connecting port are all communicated with collection room, first trapping component is communicated with collection room by first connecting port, second trapping component is communicated with collection room by second connecting port, third trapping component is communicated with collection room by third connecting port, second trapping component is located between first trapping component and third trapping component;The first trapping component, second trapping component and third trapping component of the application can be placed different trapping objects respectively, realize a variety of comprehensive luring, enhance luring force, improve trapping success rate.

The invention discloses metarhizium anisopliae R32 and application thereof, and belongs to the technical field of microorganisms. On one hand, the invention provides the metarhizium pingshaense R32, the preservation number of the metarhizium pingshaense R32 is CGMCC (China General Microbiological Culture Collection Center) No.41550, and on the other hand, the invention provides the application of the metarhizium pingshaense R32 in prevention and treatment of batocera horsfieldi and / or oak weevil. The Metarhizium anisopliae R32 has strong toxicity to batocera horsfieldi and elephant oak, can cause death of batocera horsfieldi and elephant oak in a short time, and provides a new thought for a subsequent biocontrol agent.

The invention provides a multiplex PCR (polymerase chain reaction) primer combination and a sequencing analysis method for identifying a species of Schizothorax mali, and belongs to the technical field of molecular detection. According to the multiple PCR primer combination disclosed by the invention, a plurality of primer pairs are designed according to multiple key gene SNP locus areas of mitochondrial genomes (imagoes, larvae and pupae) of different forms and different populations and sibling species of the mitochondrial genomes, so that a plurality of target fragments can be synchronously amplified by single PCR reaction; the misjudgment caused by single gene variation or sequencing errors is effectively avoided, and the sibling species and the cryptic species with highly similar forms can be accurately distinguished. The invention further provides a multiple PCR and sequencing analysis method for identifying the species of the malodinia mali, targeted high-throughput sequencing is conducted on multiple PCR amplification products, sequence information of all key sites is obtained, the similarity of the sites to be detected can be obtained through comparison, and decisive data support is provided for high-throughput accurate identification of the species level of the malodinia mali.

The application discloses a method for breeding of the Tamarixia radiata and application of the Tamarixia radiata in prevention and treatment of the Sibicides brouni, wherein the culture tube containing the paired Tamarixia radiata adult is vertically placed in a culture box for culture, the culture tube is placed in a low-temperature storage environment and is supplemented with food 1-2 times per week, a green bean weevil host is selected, the Tamarixia radiata in the tube is taken out from the low-temperature environment, 30-40 green bean weevils with the green bean weevil hosts are put into each culture tube after the tube cover is opened, the culture tube is closed, the culture tube is placed horizontally in the culture box for mating, the host is regularly replaced after oviposition, the replaced host is placed in a new tube together with the green bean and is placed horizontally in the culture box or in a room temperature environment until the next generation is eclosed. The method can prepare a large number of parasitic wasps, further test host types, select other coleopteran weevil hosts and has potential natural enemy prevention and treatment application value, and is a new measure for prevention and treatment of natural enemies of garden pests.

The invention provides a pathogenic microorganism spore carrier for preventing and treating red weevil and a composition of the pathogenic microorganism spore carrier. The carrier not only can adsorb and maintain the activity of spores of pathogenic microorganisms, but also can adsorb attractants containing aggregation pheromone and the like, and can specifically attract red weevil, so that the pathogenic microorganisms can be horizontally spread in a red weevil population. Specifically, bentonite, perlite, carboxymethyl cellulose, silica gel, sepiolite, montmorillonite and the like are mixed to prepare a porous adsorption material, and the porous adsorption material is used as a carrier. Through reasonable carrier design, guiding effect of aggregation pheromones and support of auxiliary materials, horizontal infection of pathogenic organism spores to the red weevil population is realized, and green prevention and treatment efficiency of the red weevil is effectively improved. Compared with the prior art, the method has the advantages of simplicity in operation, environment friendliness, high specificity and lasting prevention and treatment effect.

The present invention relates to a method for controlling a weevil infestation, in particular a beet weevil infestation, in the agricultural production of crops, wherein (i) either a composition containing one or more types of nucleic acid molecules, in particular interference RNA (RNAi) molecules, which inhibit the metabolism, development, reproductive capacity or viability of weevils (Curculionidae), in particular beet weevils (sugar beet weevil; Asproarthenis punctiventris), is applied to an agricultural area;or (ii) a composition comprising one or more types of nucleic acid molecules, in particular RNAi molecules, which inhibit the metabolism, development, reproductive capacity or viability of weevils, applied to trap plant strips at the edge of, within and / or around the agricultural area, wherein these trap plant strips are sown with a trap plant density of at least 50 plants / m2; such that the weevils, in particular the beet weevils, come into contact with the nucleic acid molecules, in particular the RNAi molecules, so that the development, reproductive capacity or viability of the weevils is inhibited.;

The present invention relates to a method for controlling a weevil infestation, in particular a beet weevil infestation, in the agricultural production of crop plants, wherein: (i) either a composition comprising one or more types of nucleic acid molecules, in particular interference RNA (RNAi) molecules, which inhibit the metabolism, development, reproductive ability or survivability of weevils (Curculionidae), in particular beet weevils (sugar beet weevils; Asproparthenis punctiventris), is applied to an area of agricultural land; or (ii) a composition which comprises one or more types of nucleic acid molecules, in particular of RNAi molecules, which inhibit the metabolism, the development, reproductive capacity or survivability of weevils, is applied to bait-plant strips at the edge of, in and / or around the area of agricultural land, wherein these bait-plant strips are sown with a bait-plant density of at least 50 plants / m2; such that the weevils, in particular the beet weevils, come into contact with the nucleic acid molecules, in particular the RNAi molecules, such that the development, reproductive capacity or survivability of the weevils is inhibited.

The utility model relates to the technical field of insect feeding, in particular to a sweet potato small weevil feeding device which comprises a culture box, a plurality of groups of feeding mechanisms are arranged in the culture box, and each feeding mechanism comprises a first black cylinder and a second black cylinder which are made of polyethylene materials. The second black cylinder is located in the first black cylinder, and the interior of the second black cylinder is used for breeding the sweet potato small weevil. A supporting seat is rotatably connected to the bottom of the inner wall of the incubator, a fixing rod is fixedly connected to the top of the supporting seat, the top of the fixing rod penetrates through the top of the incubator and is fixedly connected with a rotating ring, and a plurality of indicating rings are arranged on the rotating ring; the plurality of groups of feeding mechanisms consisting of the first black cylinders and the second black cylinders are arranged in the incubator, the sweet potato small weevils are fed in the first black cylinders, and each group of feeding mechanism can be independently taken out from the incubator, so that a large number of sweet potato small weevils can be continuously bred.

The invention belongs to the field of agricultural pest prevention and control, and particularly relates to an intelligent management prevention and control method for millettia millettii harms, which comprises the following steps: selecting points for a field, and arranging screening devices in ridge rows of millettia millettii; the screening device is used for regularly screening the number of insect bodies of the foxtail millet; according to the screened data, drawing a foxtail millet mud worm hazard thermodynamic diagram for a field, and determining a high-risk block in which the quantity of worm bodies exceeds a preset value; and taking prevention and control measures on the high-risk block, and repeating the steps after prevention and control to realize dynamic prevention and control management on the field millet. According to the method disclosed by the invention, the insect body number is screened by utilizing the characteristics that the millet-mallee millets like to climb on the back surfaces of the leaves and are easy to enter a false death state after being disturbed, and the millet-mallee millets hazard thermodynamic diagram is drawn according to the screened data, so that the pest outbreak area can be accurately determined, the drug use area and the drug use amount can be accurately guided, and the drug use amount can be accurately controlled. Therefore, the management level of millet production is improved, pesticide residues are reduced, and millet quality is improved.

The invention discloses a high-virulence beauveria bassiana Zeb-01 strain and application of the high-virulence beauveria bassiana Zeb-01 strain to control of palm pests, the high-virulence beauveria bassiana Zeb-01 strain is beauveria bassiana, and the preservation name of the high-virulence beauveria bassiana Zeb-01 strain is Beauveria bassiana; the strain is preserved in the China General Microbiological Culture Collection Center, and the address of the preservation unit is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing; the preservation date is November 15, 2025; the preservation number of the strain is CGMCC (China General Microbiological Culture Collection The separated beauveria bassiana Zeb-01 strain has extremely high pathogenicity to rhynchophorus ferrugineus and rhinoceros rhinoceros, the lethal effect of the strain is remarkably higher than that of commercially available beauveria bassiana preparations, the strain has more outstanding advantages under the low-concentration condition, the lethal time of the strain to the two pests is remarkably shorter than that of commercially available strains, the pest hazard period is effectively shortened, and the environment pollution is reduced. And the insecticidal composition has the characteristics of high toxicity, high insecticidal rate and wide range of applicable pests.

According to the method for efficiently feeding the small weevils of the sweet potatoes, the small weevils are fixed through the half-moon-shaped clamping rings, the small weevils are placed in a suspended mode, adult weevils are prevented from being squeezed to die, and the survival rate and the egg laying amount of the small weevils are remarkably increased. All parts of the device are detachable, easy to clean, recyclable, low in cost and convenient to operate. During potato block replacement, only adults need to be lightly brushed and integrally transferred, mechanical damage is reduced, and egg damage is avoided. The snap ring design facilitates marking and management and facilitates experiment tracking. Potato block burying and regular matrix cleaning promote smooth eclosion of larvae. The suspended structure enables adults to freely crawl, feed and lay eggs, distribution is uniform, and the utilization rate of potato blocks is increased. The method effectively solves the problems of imago death, uneven egg laying and larva extrusion caused by potato block accumulation in traditional feeding, greatly improves the feeding efficiency and reproductive performance, and has good application prospects.

The invention discloses a wheel brush type detection sample device simulating the feeding characteristic of bamboo weevil. The wheel brush type detection sample device comprises a mounting shell, a guide cylinder, a middle rotating shaft, an annular brush disc, soft sampling bristles and hard sampling bristles. A double-wheel brush counter-rotating structure is adopted, so that the sampling process is stable and continuous, and the same sampling area can be repeatedly sampled for multiple times; meanwhile, a counter-rotating structure is utilized, so that the counter-acting force of the sampling device to a detection machine in the sampling process is remarkably reduced, and the working stability in a microgravity environment is effectively improved; the concave soft sampling bristles and the convex hard sampling bristles are adopted, so that the dual functions of brushing and sweeping and cutting in the sampling process can be realized, rock samples with different hardness can be coped with at the same time, and the adaptability and durability of the wheel brush type sampler in a complex sampling environment are expected to be improved.

The invention discloses application of a plant source compound acetophenone in prevention and treatment of callosobruchus chinensis. The application comprises fumigation and killing of eggs, larvae, pupae and adults of the callosobruchus chinensis. The plant source compound acetophenone is processed into an acceptable preparation for use. The fumigation results of larvae, pupae and adults show that the corrected death rate of the callosobruchus chinensis is gradually increased along with the increase of the acetophenone fumigation concentration and the prolonging of the fumigation time. Wherein under the condition that the fumigation concentration is 10 [mu] L / L, as the fumigation time is prolonged from 24 h to 72 h, the corrected death rate of callosobruchus chinensis adults is increased from 59.55% to 100%; and under the fumigation treatment time of 24 hours, along with the increase of the fumigation concentration from 7 [mu] L / L to 11 [mu] L / L, the corrected death rate of the acetophenone to the callosobruchus chinensis adults is increased from 15.73% to 77.53%.

The utility model provides a camellia oleifera fruit elephant trapping and detecting device which comprises a cylinder, a first conical cylinder, an internal thread ring and an adjusting cylinder, a circular water storage box is fixedly connected to the upper end of the inner wall of the cylinder, a through groove is formed in the left side of the first conical cylinder, a rectangular through shell is installed on the left side of the first conical cylinder and communicated with the through groove, and a side plate is movably installed on the left side of the rectangular through shell. A rectangular plate is installed on the right side of the side plate, a detection probe is installed at the right end of the lower portion of the rectangular plate, bent plates are installed on the left side and the right side of the inner threaded ring respectively, sharp rods are fixedly connected to the lower ends of the two bent plates respectively, an L-shaped rod is fixedly connected to the side face of the lower end of the adjusting cylinder, and a scraping rod is installed on the right side of the vertical end of the L-shaped rod. The inner wall of the device can be scraped and cleaned conveniently, injurious insects are prevented from being attached, injurious insect remains can be rapidly discharged conveniently, meanwhile, the injurious insect accumulation condition can be remotely detected, and people can decide whether the injurious insect remains need to be cleaned or not conveniently.

The present disclosure relates to recombinant and modified Cry proteins for use in methods and compositions for controlling insect pests, particularly coleopteran pests, particularly Spheophylus levis pests, more particularly Spheophylus levis pests of the crop plant sugarcane. More specifically, the present disclosure relates to a novel chimeric protein named SCW108, variants and fragments thereof. The present disclosure also relates to the production of pesticidal compositions using these proteins. In addition, the present disclosure relates to a method for controlling coleopteran pests, more particularly the coleopteran pest sugarcane weevil.

The invention discloses a Huangzhou elephant botanical attractant and application thereof, and belongs to the technical field of deinsectization of elaeagnus mollis. The botanical attractant is prepared from the following components in parts by mass: 35 to 45 parts of linalool, 22 to 27 parts of bornyl acetate, 22 to 27 parts of butyl acetate, 4 to 6 parts of alpha-pinene and 4 to 6 parts of (E)-4, 8-dimethyl-1, 3, 7-nonelatriene. Volatile matter components of host tree species are utilized to play a role in attracting the host tree species, the host tree species are killed in a centralized mode after being attracted, the attractant belongs to green, non-toxic and nuisanceless attractant substances, a series of problems caused by chemical prevention and control such as many pesticide residues, easy environment pollution, high cost and product safety can be solved, and the problem that it is difficult to prevent and control elaeagnus mollis pests of elaeagnus mollis is solved.

The invention discloses a strain combination for preventing and treating red weevil and application of the strain combination, and belongs to the technical field of biological prevention and treatment of red weevil. The invention relates to a bacterial strain combination which comprises serratia marcescens ZZLG-12 and a Penicillium fungus (Penicillium sp. ZZAF-7), and the bacterial strain combination comprises the serratia marcescens ZZLG-12 and the Penicillium fungus (Penicillium sp. ZZAF-7). The serratia marcescens ZZLG-12 is preserved in Guangdong Microbial Culture Collection Center on July 21, 2025, and the preservation number is GDMCC No: 66718; the Penicillium fungus ZZAF-7 is preserved in Guangdong Microbial Culture Collection Center on July 21, 2025, and the preservation number is GDMCC No: 66717. After the two strains are compounded, the prevention and control effect on the red weevil is good, and the toxicity synergistic effect is achieved, so that theoretical and technical supports are provided for development of novel green pesticides, dependence on chemical pesticides can be reduced, and environmental pollution can be relieved.

The application discloses a kit for detecting alfalfa weevil and a detection method thereof, and relates to the technical field of biology.The PCR detection primer pair of the application is specific and high in sensitivity, can rapidly and accurately identify whether alfalfa weevil is contained in alfalfa seed, and can distinguish alfalfa weevil from other common pests such as alfalfa weevil, alfalfa aphid, alfalfa looper, alfalfa thrips and alfalfa armyworm.The PCR primer combination of the application can simultaneously detect a large quantity of alfalfa seed, and the operation is simple, so that the detection can be completed in a short time under laboratory conditions.In addition, the detection method is suitable for various alfalfa varieties, has a wide application range, and is helpful for alfalfa seed inspectors to detect whether alfalfa weevil is mixed in alfalfa seed, can reduce labor and time cost, and has a good application prospect.

This invention discloses a field collection device for sweet potato ant weevils, belonging to the technical field of trapping devices. It includes a collection box, on which a trapping shell is fixedly installed. The outer circumference of the trapping shell has evenly spaced mounting grooves. One end of each mounting groove near the collection box has a trapping hole that communicates with the interior of the trapping shell. A protective cover is slidably mounted on the trapping shell, and a piston is fixedly installed inside the trapping shell. The protective cover and the piston are slidably connected. The device also includes a trapping tube rotatably installed in the mounting groove, one end of which is fixedly connected to the piston. Finally, it includes an attractant release assembly. Through the cooperation of the attractant release assembly and the trapping tube, the attractant is evenly dispersed into the surrounding environment, expanding the effective range of the attractant and improving its diffusion ability in complex environments. Simultaneously, when the device is activated, the motor-driven collection assembly forms a dynamic cleaning mechanism, pushing and removing the sweet potato ant weevils until they fall into the collection box, preventing escape.

The euonymus giganteus ovipositor convenient to observe comprises a fixing box, a partition plate, a transparent strip and a fixing mechanism, one end of the fixing plate is open, and the transparent strip extends out of the open side; the number of the partition plates and the number of the transparent strips can be freely combined, the two transparent strips separated by the partition plates are tensioned by the weashoptorrhynchus giganteus and secrete protective liquid to enable the two transparent strips to be bonded, then oviposition is conducted between the two transparent strips, the fixing mechanism prevents the transparent strips from deflecting through rotation and compression, and therefore the weashoptorrhynchus giganteus is fixed. The problem that the state of the eggs is inconvenient to observe in the process of collecting the eggs of the snout weevils is solved; proper spawning space is provided for spawning of the weashoptrus giganteus, the spawning efficiency of the weashoptrus giganteus is improved, and the damage rate of spawns is reduced.

A device and method for mitigating red palm weevil infestations in palm trees through coordinated ultrasonic disruption. The device includes a solar-powered system including a battery, charger, dimmer, and ultrasonic wave generator to produce acoustic emissions in a frequency range of 20 kHz to 100 kHz. A dual-emitter configuration includes one or more internal emitters, each having a rigid cylindrical probe with a compact, wide transducer tip adapted for insertion into the tree trunk, and at least one pair of external emitters arranged on opposing sides of the trunk using flexible semicircular brackets. The emitters operate in synchronized coordination via the dimmer to direct ultrasonic waves toward overlapping tissue zones, thereby generating constructive interference. A digital display indicates frequency level and battery status. The method includes synchronized ultrasonic wave transmission for disrupting insect movement, orientation, communication, and reproduction within plant structures.

The invention discloses a gene sequencing-based camellia weevils intrusion monitoring and precise medication method and system, and relates to the technical field of agricultural pest control, and the method comprises the following steps: installing an environment sample collection device in a camellia garden, and automatically and regularly collecting environment samples in a period of time; carrying out deep sequencing on the collected environmental sample by utilizing a high-throughput gene sequencing technology, and detecting specific DNA or RNA fragments of the camellia weevils; by means of the sequencing result and the meteorological parameters, a life cycle prediction model of the snout beetles is established, and the life cycle of the snout beetles of the real-time environment samples is predicted; and according to the life cycle and population density of the elephant beetles, an accurate pesticide spraying time table and dosage suggestions are generated. According to the method, gene sequencing is carried out on the environmental samples in the camellia oleifera garden, the population dynamics and the life cycle of the camellia oleifera weevils are determined in combination with a big data analysis technology, and therefore precise prevention and control are achieved, the use amount of pesticide is reduced, and the prevention and control effect is improved.