16 results about "Biological pest control" patented technology

The invention discloses a sex attractant for bactrocera dorsalis and application of the sex attractant. The invention provides a sex attractant for bactrocera dorsalis. The sex attractant for bactrocera dorsalis comprises ethyl laurate, ethyl myristate, cis-9-hexadecenoic acid ethyl ester and ethyl palmitate. The sex attractant provided by the invention can effectively reduce the population density of male adult bactrocera dorsalis in the field, reduce successful mating of female adult bactrocera dorsalis, and reduce the reproduction rate of bactrocera dorsalis. The sex attractant developed by the invention is a novel bactrocera dorsalis attractant, can enrich compound resources for biological prevention and control of bactrocera pests and promote the development of a pest comprehensive prevention and control strategy towards the directions of high efficiency, economy, greenness and the like, and has very high application value.

The utility model relates to the technical field of biological control, in particular to a pest biological control throwing device suitable for grassland, which is characterized in that a reciprocating structure is arranged at the top of a base, power structures are uniformly arranged on the periphery of the bottom of the base, and the base is connected with a pushing plate through the reciprocating structure; and the pushing plate is fixedly connected with pushing pipes which are evenly distributed, soil blocking structures are arranged in the pushing pipes, the reciprocating structure comprises a first supporting column fixedly connected with the base, and the top of the first supporting column is rotationally connected with a driven gear. When the device is used, a microbial preparation is placed in the pesticide containing box, a water pump in the pesticide containing box is used for conveying the pesticide to the pushing pipe from the hose through the pushing plate, the reciprocating structure is started to drive the pushing plate, the pushing plate drives the pushing pipe to prick into soil, and pesticide release is completed through the soil blocking structure in the pushing pipe. The biological control effect is achieved.

The invention relates to the technical field of biological prevention and control of pests, in particular to a breeding method of natural enemy insects, and particularly relates to a prevention and control method of a bee colony juvenile beauty disease, which comprises the following steps: filling a mixed solution of a cinnamon leaf aqueous solution and an oxytetracycline aqueous solution into a sprayer, and spraying to a sick bee colony until the body surfaces of larvae are wet without dripping water. According to the scheme, the mixed solution of the cinnamon leaves and the oxytetracycline has a good prevention and treatment effect on the meloidosis of the wasp colony, the loss caused by diseases to the wasp colony can be greatly retrieved, the success rate of the primary wasp colony can be greatly increased, and the mixed solution has small side effects on wasps and is low in cost.

The present invention in a first aspect relates to a system for releasing beneficial arthropods. Further aspects relate to methods for biological pest control and the use of the system in pest control. The present invention further relates to a system for storing beneficial arthropods and a method for manufacturing such a system. All aspects of the present invention are useful in biological pest control, particularly in crop protection.

This invention relates to the field of artificial breeding technology for natural enemy insects, and in particular to a method for the artificial breeding of the assassin bug *Triplophysa pulcherrima*. The invention employs steps including seed source collection and screening, rearing environment control, feed supply and management, mating and reproduction management, oviposition and egg mass collection, nymph hatching and age-differentiated rearing, overwintering management, and cannibalism control. By providing specialized rearing management devices, temperature and humidity conditions, standardized feed feeding, age-differentiated rearing density control, and moisture-controlled egg mass hatching, it solves the problems of high mortality rates among young nymphs, unstable mating success rates, low egg mass hatching rates, and the lack of a year-round breeding system in existing technologies. The method of this invention is simple to operate, has a high survival rate (nymphal survival rate exceeding 85%), an egg mass hatching rate exceeding 90%, and can achieve 4-5 generations per year, enabling large-scale, year-round production of *Triplophysa pulcherrima*, providing high-quality natural enemy resources for the biological control of agricultural and forestry pests.

The application discloses a pest trapping device and method based on biological control, which comprises a mobile vehicle body and a pest trapping assembly arranged on the mobile vehicle body; the pest trapping assembly comprises two groups of frame body assemblies, a transmission ring arranged between the two groups of frame body assemblies, and two winding rollers rotatably arranged in the transmission ring; the transmission ring is in a cylindrical shape and is provided with a through groove at the top; the two winding rollers are both provided with rewettable adhesive tapes; the rewettable adhesive tapes are attached to the outer walls of two semicircular sections formed by the peripheral wall of the transmission ring to form trapping adhesive areas; and the rewettable adhesive tapes are continuously unwound, the design of the trapping channel groove mechanism and the spraying assembly for spraying liquid is used, the flowability and replaceability of the adhesive areas are realized, and the adverse effects caused by the continuous replacement of the adhesive tapes are avoided.

The utility model provides a biological prevention and control device for stored insect pests, which belongs to the technical field of biological prevention and control and comprises a bin shell, a fixing groove formed in the side wall of the bin shell, an insect repelling block clamped in the center of the fixing groove and a dismounting component arranged on the inner wall of the insect repelling block. The multiple fixing grooves are formed, and the multiple insect repelling blocks correspond to the multiple fixing grooves. According to the utility model, through the matched layout of the plurality of detachable insect expelling blocks and the fixing grooves, the device can flexibly adjust the prevention and control point positions according to the storage space; the innovative dismounting assembly adopts a spring clamping block mechanism, so that one-key type quick replacement of the insect expelling block is realized, and the maintenance difficulty is greatly reduced; double locking of the elastic block and the clamping groove ensures installation stability, and looseness caused by long-term use is avoided; the operation component is linked with the pull rod through the bearing seat, so that the replacement process is labor-saving and convenient; the whole structure is good in sealing performance, volatilization of insect repelling components is effectively delayed, and the technical problems that a traditional device is fixed in layout, difficult to maintain, poor in sealing performance and the like are solved.

The invention belongs to but is not limited to the technical field of pest biological control, and discloses a method for relieving reproductive decline of harmonia axyridis, which is suitable for indoor long-term breeding populations incapable of avoiding inbreeding, in particular to rare homozygous mutants needing long-term conservation. The method specifically comprises the following steps: feeding offspring new eclosion adults which show reproductive decline after being fed with aphids as food with artificial feed prepared by mixing pork liver homogenate, rape pollen, cane sugar, yeast powder, honey and the like for 3-4 days, and then feeding the adults with the aphids; in the feeding process after the ladybirds start to lay eggs, 7-day aphids and 1-day artificial feed are adopted for feeding circularly, and high reproductive power is kept. In addition, when severely reproductive decline occurs to adults fed with the aphids in daily life, the adults are fed with artificial feed for 3 days in time, then aphid feeding is recovered, and the egg laying amount and the egg hatching rate can be remarkably increased within a short time. According to the method, the reproductive decline of the harmonia axyridis bred indoors for a long time is effectively relieved through short-term intermittent artificial feed feeding.

The application provides a Chinese trichopoda japonica attractant and a preparation method and application thereof, and belongs to the technical field of biological pest control. The active ingredient of the Chinese trichopoda japonica attractant is composed of volatile substances of potentilla chinensis, and the volatile substances include (Z)-3-hexen-1-ol 10-15 parts, gamma-terpinene 10-20 parts, trans-beta-myrcene 60-70 parts and nerolidol 0.5-1 part in volume fraction. The Chinese trichopoda japonica attractant as the effective component is combined with a diluent to further obtain an attractant preparation. The volatile substances in the potentilla chinensis are used to perform olfactory behavior response on the Chinese trichopoda japonica and are applied, the obtained attractant or attractant preparation has obvious attracting effect, is harmless to other natural enemies and is environment-friendly, and provides a new reference means for biological control.

The present invention relates to a novel bacterium Pseudomonas sp. 14og as deposited into the NRRL Patent Culture Collection on 3 Dec. 2020 and designated NRRL accession no. B-67999. The present invention also relates to insecticidally active substances obtained or derived from Pseudomonas sp. 14og. The insecticidal substances find use in controlling, inhibiting growth or killing Lepidopteran, Coleopteran, Dipteran, Hemipteran, Tetranychidae, fungal, nematode and mite pest populations and for producing compositions with insecticidal activity. The present invention relates to a novel bacterium and use for biocontrol of insect pests. More particularly, the invention relates to a newly discovered species of Pseudomonas bacterium that exhibits insecticidal activity. The invention also relates to proteins and / or peptides and / or metabolites obtained from the strain that possess insecticidal activity and to insecticidal compositions comprising cultures of the novel strain and / or supernatants, filtrates, and extracts obtained from the strain, and use thereof to control insect pests. The present invention relates to a novel bacterium and uses thereof. In particular, the present invention relates to applications concerned with the biopesticidal activity of the novel bacterium and of its mutant or variant strains. The present invention also concerns proteinaceous substances produced by this novel bacterium and of its mutant or variant strains obtained or derived from the aforesaid bacteria.

The present invention according to a first aspect relates to a system for releasing beneficial arthropods. Further aspects relate to a method for biological pest control and the use of the system in pest control. The invention furthermore relates to a system for storing beneficial arthropods and a method for producing such a system. All aspects of the invention have utility in biological pest control, in particular in crop protection.

The application belongs to the technical field of pest control, and discloses application of ceramide synthase 6 gene as a target point in pest control, and specifically discloses application of the CerS6 gene as a target point in control of insects in the order Lepidoptera. The application discloses, for the first time, application of the ceramide synthase CerS6 gene as a target point in control of insects in the order Lepidoptera, and proves importance of the ceramide synthase CerS6 to growth and development and reproductive capacity of pests by screening of a target gene and knocking out the ceramide synthase CerS6 of Spodoptera litura through the CRISPR / Cas9 technology, so as to make a great contribution to biological pest control.

The present application relates to the field of biological pest control, and particularly relates to a method for artificially mass and rapid propagation of Drosophila suzukii Coptera. The method comprises the following steps: 1) preparation of Drosophila biarmipes and Drosophila suzukii Coptera feeding tank; 2) collection of Drosophila biarmipes pupae; 3) parasitization of Drosophila suzukii Coptera on Drosophila biarmipes pupae; 4) eclosion and feeding of Drosophila biarmipes pupae parasitized by Drosophila suzukii Coptera; 5) feeding of Drosophila suzukii Coptera adults; and 6) repeating steps 1) to 5), so that a large amount of Drosophila suzukii Coptera can be obtained in a short period of time. The method provided by the present application is time-saving, labor-saving, space-saving, and requires simple devices, and can mass propagate Drosophila suzukii Coptera in a short period of time, so as to meet the application requirements of biological characteristic research test or field control of Drosophila suzukii.

The utility model discloses a small pest pathogenic bacteria spreading device, and relates to the technical field of pest biological control. Comprising a container 1, a cylindrical cover 2 or a conical cover 3, a pathogenic bacteria carrier frame 4, an attractant carrier mesh bag 5, a moisturizing device 6 and a suspension bracket 7. The device is high in pertinence, target pests are attracted to enter the device through a specific attractant, and the influence on non-target organisms is reduced; the insecticidal composition has a good lasting effect, can be spread in pest populations by contacting pests with pathogenic bacteria, and can control the pests for a long time. The device can be used as a part of comprehensive pest control (IPM), is combined with other prevention and control strategies of pests, and can effectively improve the prevention and control effect of the pests.

The invention belongs to the technical field of biological insect prevention, and particularly relates to a plutella xylostella repellent and application thereof. The coumarin, the 6, 7-dihydroxy coumarin and the trans-anethene provided by the invention have oviposition repelling and repelling activity on the plutella xylostella, in addition, the repelling duration of the trans-anethene can reach 8 days, and a basic support is provided for developing a chemical repellent preparation for field control of the plutella xylostella. According to the scheme, a monitoring tool based on chemical information is improved, and direct and efficient pest control is achieved. The research highlights the important effect of the plant-source volatile matter in controlling the plutella xylostella population, and the potential application value of the plant-source volatile matter as a pesticide material. In future research, behavior regulation and control characteristics of functional traditional Chinese medicinal materials need to be deeply explored, and a chemical ecological mechanism of a three-level nutrition relationship of traditional Chinese medicinal materials, pests and natural enemies needs to be analyzed, so that the effectiveness of a pest control strategy is remarkably improved.

The utility model relates to the technical field of biological control of tobacco diseases and insect pests, and particularly discloses an automatic mummified aphid collecting production line which comprises an automatic feeding line, an automatic mummified aphid picking and selecting machine, a mummified aphid output machine, a mummified aphid mixing machine and an automatic mummified aphid racking machine. An output shaft of the first gear motor is rotatably connected with a roller of the partition transmission belt, the first cylinder is arranged on one side of the partition transmission belt, the end of a piston rod of the first cylinder is connected with the push plate, and the extending direction of the piston rod of the first cylinder is perpendicular to the conveying direction of the partition transmission belt. The automatic mummified aphid picking and selecting machine comprises a feeding component, a screen drum, a first brush, a waste seedling outlet, a mummified aphid collecting component and a mummified aphid output port, the feeding component is arranged on the side, away from the first air cylinder, of the partition plate transmission belt, a feeding port of the screen drum is communicated with the feeding component, and the screen drum is driven to rotate through the arranged transmission component.