34 results about "Bark beetle" patented technology

The invention relates to the technical field of rubber tree bark beetle prevention and control and green ecological prevention and control, in particular to a rubber tree bark beetle attractant and lure preparation and application thereof. Comprising the following components in parts by weight: 1 part of (S)-cis-verbenol, 1 part of isoamyl alcohol, 1 part of longifolene and 6500 parts of absolute ethyl alcohol. The attractant can attract bark beetles on rubber trees, has the advantages of being good in attraction effect, long in lasting period, environmentally friendly and the like and is suitable for long-term monitoring and efficient prevention and control of bark beetle populations on the rubber trees, and the attraction core is not affected by terrains and terrains when applied.

The invention provides a method for preventing and controlling avocado bark beetle, and belongs to the technical field of avocado pest control, and the method comprises the following steps: removing damaged branches, arranging traps, and arranging pest sticking plates: arranging one bark beetle sticking plate on each plant which is freshly damaged by bark beetle, in the eclosion flying period of the adult trophy beetles in May to October every year, pesticide is mixed with water to conduct branch spraying, spraying is mainly conducted on newly-invaded plant branches, it is guaranteed that bark of the whole trunk is wet, spraying is conducted once every 15-20 days according to the harm situation, pesticide is continuously sprayed for 2-3 times, and punching and pesticide injection are conducted on the trunk; the method comprises the following steps of: after invasion of the small round chest bark beetles and in an active period of offspring larvae, injecting a pesticide into holes in trunks, injecting the pesticide once every 20-25 days, and continuously injecting for 2-3 times. Physical prevention and control are combined with chemical prevention and control measures, the number of beetle insects can be effectively reduced, and therefore the situation that beetle insects damage avocado fruit trees is reduced.

The utility model relates to the technical field of trapping, in particular to a bark beetle trapper which comprises a trapping barrel and a suction assembly, a trapping opening is formed in the surface of the upper end of the trapping barrel, a supporting rod is installed in the trapping opening, and the suction assembly used for improving the trapping effect is arranged at the lower end of the trapping barrel. The suction assembly comprises a suction cup, a drainage plate, an insect collecting net bag, a bottom cover and a fan, the drainage plate is installed on the inner wall of the suction cup, the insect collecting net bag is installed in the lower end of the suction cup in a clamped mode, the bottom cover is installed on the outer portion of the lower end of the suction cup in a threaded mode, and the fan is installed at the bottom end in the bottom cover. The bark beetle trapping device has the advantages that the fan rotates on the bottom cover to enable suction airflow to be generated in the trapping barrel and the suction disc, an attractant can be assisted in sucking bark beetles in the trapping barrel, the trapping effect of the bark beetles is improved, a drainage plate enables bark beetle corpses to be sucked into the beetle collecting net bag to be collected, the beetle collecting net bag can be pulled out from the bottom of the suction disc to be cleaned, and the bark beetle trapping device is convenient to use. The bottom cover is in threaded connection with the bottom of the suction cup.

The utility model relates to the technical field of bark beetle trapper, specifically relates to a detachable bark beetle trapper and windproof fixing support, include: bark beetle trapper body and collect insect net bag, collect insect net bag is located inside bark beetle trapper body, the side of bark beetle trapper body is provided with the plug -in installation component. The utility model discloses through setting up plug -in installation component and moving out locking assembly, through the plug -in of plug -in half ring's plug -in half ring and the plug -in of moving out groove, the preliminary positioning is realized, the locking is completed to the plug -in groove under the clamping block spring action, and the movable block is cooperated with the clamping block and can push back the clamping block and move the groove and release locking, so that plug -in half ring can realize quick dismounting and installation, and further reach the device without disassembling other components can quickly complete collect insect net bag and change, solve the problem that the net bag needs to be disassembled first in the prior art and lead to low efficiency, improve the effect of convenient use.

The invention relates to the technical field of molecular biological detection, in particular to a rapid detection primer group for bark beetle larvae and insect body fragments and application of the rapid detection primer group. According to the LAMP detection primer disclosed by the invention, the COI gene segment of the euphorbia leucopoda is used as a target gene for LAMP detection to design the LAMP detection primer, and the LAMP primer is high in specificity and high in sensitivity. On the basis, the invention provides the method for detecting the pachytous salicina, the rapid and accurate detection of the pachytous salicina in non-laboratory places such as ports and fields is realized by utilizing an LAMP technology, and the detection method has a wide application prospect.

The utility model discloses a bark beetle trap with a counting device, which belongs to the technical field of bark beetle trapping and comprises a shell, a first support is fixedly mounted in an inner cavity of the shell, an extrusion mechanism is arranged at the bottom of the first support, an energy storage motor is started to drive a screw to rotate by arranging the extrusion mechanism, and the screw drives a surface lifting plate to move downwards. When the lifting plate is downward, a trapping agent in a pipe body is downwards extruded through a push plate, the trapping agent drips to the surface of a sponge body through a discharging pipe, the smell of the trapping agent is diffused through the sponge body, and the purposes that the trapping agent drips to the surface of the sponge body through the push plate, the smell is diffused through the sponge body and a trapping lamp is used are achieved, and bark beetles are attracted to enter the shell; trapping is achieved, and the trapping efficiency of the bark beetles is improved.

The present application relates to the technical field of artificial feeding of small insects, in particular to rubberwood small insects rubber tree wood chip cultivation feed and artificial feeding method. The rubberwood small insect cultivation feed comprises yeast powder, weiss salt, casein, starch, sucrose, agar powder, streptomycin sulfate, wheat germ oil, anhydrous ethanol, rubber tree wood chip and deionized water. The rubberwood small insect feeding method comprises the following steps: obtaining rubberwood small insect female adults; inoculating rubberwood small insect female adults; and feeding rubberwood small insects in a climate box. The artificial feeding method of rubberwood small insects provided by the present application can obtain stable test insect sources, provide insect source guarantee for studying the biological and ecological characteristics of rubberwood small insects, and further lay a theoretical foundation for formulating rubberwood small insect prevention and control measures.

The invention discloses a plug-in type bark beetle trapping device and method, and belongs to the technical field of insect trapping equipment, the plug-in type bark beetle trapping device comprises a bark beetle collector, a vibration rod is arranged at the center of the bottom of the bark beetle collector, the top of the vibration rod is fixedly connected with a supporting rod, and the top of the supporting rod is connected with a trunk simulant; the trunk simulant is fixedly connected with a branch simulant, and a first emission assembly and a second emission assembly are arranged in the trunk simulant and the supporting rod respectively; the top of the bark beetle collector is connected with the sliding cover assembly in a clamped mode, the sliding cover assembly comprises a cover body, an anti-escape structure is arranged in the cover body and is of a three-step structure, and a falling opening is formed in the bottom of the cover body. According to the plug-in type bark beetle trapping device and trapping method, the trapping range is wider, the pertinence is higher, an anti-escape structure is arranged, the loss of beetle bodies in the collecting process is reduced, the staying resistance of bark beetles can be reduced by arranging the vibration exciter, and the bark beetles staying on the trunk simulants and the branch simulants are reduced.

The invention discloses application of natural unsaturated fatty aldehyde in prevention and control of storage pests. The natural unsaturated fatty aldehyde is trans-2, 4-heptadienal and trans-2-heptenal, and the natural unsaturated fatty aldehyde is trans-2, 4-heptadienal and trans-2-heptenal. The storage pests comprise coleoptera storage pests such as rice weevil, corn weevil, callosobruchus chinensis, coffee weevil, salopterus sajori, tribolium cavaleriei, delavay beetle, barbeque beetle, lasioderma serricorne, round bark beetle, black bark beetle and melanogaster, and lepidoptera storage pests such as corcyra cephalonica, wheat moth, Indian rice moth, diplodia rubella and mediterranean sea moth. The invention discloses that trans-2, 4-heptadienal and trans-2-heptenal can show excellent stored insect killing activity in a fumigation manner for the first time, provides a basis for developing green and environment-friendly insecticides, and has a good application prospect of replacing traditional chemical insecticides.

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 invention relates to dispersions containing polymer particles or polymer-based nanoaggregates or microaggregates which are mixed with at least one semiochemical for attracting or repelling a beetle species inhabiting predetermined wood or for attracting a predator of said beetle species and are optionally loaded with further auxiliaries and additives, with the proviso that the polymer has at least one polymer-specific parameter selected from the group of the glass transition temperature, the crystallite melting temperature, the supramolecular interactions, the humidity, the effect of light or the targeted degradability, which changes in a predetermined temperature range and / or moisture range such that the semiochemical contained in the particles is released or that the polymer or the polymer-based nanoaggregate or microaggregate is enzymatically or hydrolytically degraded such that the semiochemical contained in the particles is released. The dispersions can be used in particular for controlling bark beetles.

The invention discloses a pheromone inhibitor for preventing and controlling beetle tianshan and application, and relates to the technical field of green prevention and control of forestry pests. The pheromone inhibitor is any one of the following components: (-)-bark beetle dienol; (-)-verbenone; and (-)-verbenone. The invention relates to a (-)-bark beetle dienol and (-)-verbenone composition. According to the invention, the key inhibition effect of the (-)-bark beetle dienol in chemical communication of bark beetles in Tianshan Mountain is disclosed for the first time, the efficient inhibition activity of the (-)-verbenone is defined, and a brand new action target is provided for developing a novel prevention and control agent.

The invention discloses a primer probe group and a kit for identifying eutrophic bark beetles and application of the primer probe group and the kit, and relates to the technical field of molecular biology. The primer probe group for identifying the euphorbia hirta comprises an Xc primer probe group; the Xc primer probe group comprises an upstream specific primer with a nucleotide sequence as shown in SEQ ID NO: 1, a downstream specific primer with a nucleotide sequence as shown in SEQ ID NO: 2 and an Xc probe with a nucleotide sequence as shown in SEQ ID NO: 3. And the Xc primer probe group has strong specificity and high sensitivity, and can accurately identify the eutrophic bark beetles.

The present application relates to a kind of forest protection technical field, and is to solve the problem that there is no plant source attractant for effectively controlling the northern hairy chestnut bark beetle in the prior art.The active component of the attractant of the present application is composed of one or more of a-pinene, beta-caryophyllene and aggregation pheromone (S) -(-) - Ipsenol, (S) - (+) - Ipsidienol, and the mass fraction ratio of active component is (0.01-0.1) :(0.03-0.3) :(0.05-0.3) :(0.02-0.5).The carrier loaded with the attractant is placed in the trap and hung in the area where the northern hairy chestnut bark beetle occurs or may occur, 1.8 m away from the ground, to trap the northern hairy chestnut bark beetle.The attractant of the present application is applied to insect situation prediction and prediction, and a large number of trapping, to achieve the ideal effect of green prevention and control of the northern hairy chestnut bark beetle in the hazel garden.

This invention provides an attractant for the bark beetle (S. spp.) and its application, relating to the field of green pest control in forestry. The attractant for the bark beetle in this invention is a hexyl acetate solution, prepared by mixing hexyl acetate with a volatile solvent at a volume ratio of 1:900-1100; the volatile solvent is a 70%-80% v / v ethanol solution. This invention uses hexyl acetate as the key component, combined with a volatile solvent in a specific ratio, to prepare the attractant, which exhibits good attraction effects on the bark beetle (S. spp.), is ecologically safe, and highly practical, effectively achieving green pest control in forestry. This attractant for the bark beetle (S. spp.) has excellent application prospects for population monitoring or large-scale killing of the bark beetle.

This invention relates to the field of pest control technology and discloses a tube-type trap for the spruce bark beetle. The trap consists of support rods with rounded corners distributed at the upper end of the inlet tube. Several support rods have rain covers fixedly installed at their upper ends, and connecting hooks are fixedly installed on the upper part of the rain covers. The dropping tube is threadedly connected to the lower end of the inlet tube. A mesh plate is fixedly installed at the opening at the top of the inlet tube. A funnel of type 1 is fixedly installed on the inner wall of the inlet tube at the inner opening of the inlet. Funnels of type 2 are fixedly installed on both the upper and lower sides inside the dropping tube. A collection tube is threadedly connected to the lower end of the dropping tube. The collection tube has a self-sealing mechanism that cooperates with the dropping tube. This mechanism not only reduces the escape rate of the bark beetles through the constructed escape-proof channel but also allows the collection container to self-close during disassembly, preventing secondary escape of the collected bark beetles.

The invention discloses a Changlin bark beetle population traceability SNP (Single Nucleotide Polymorphism) molecular marker and application. The method for detecting the SNP traceability site of the Changlin bark beetle population is established by collecting geographical population samples of the Changlin bark beetle at home and abroad and screening the population specific SNP traceability site from a sample genome re-sequencing sequence. The population traceability SNP marker site excavated by the invention is good in genetic stability and reliable in detection result, the affiliation and source of the detected population can be accurately judged by adopting a peak map obtained after amplification of the SNP marker site amplification primer in the detection process, and a single mutation SNP molecular marker is adopted, so that the population source detection process is rapid, simple and convenient.

The invention discloses an attractant composition for ipomoea salicifolia and application, and relates to the technical field of green prevention and control of agricultural and forestry pests. According to the invention, the S (-)-alpha-pinene, the ()-odontomicus enol, the ()-verbenone, the S-()-cis-verbenone and the trans-2-hexenol are combined for use, so that the attraction effect can be obviously improved by 5-10 times (compared with the independent use of the trans-2-hexenol), and the attraction specificity is ensured, that is, only the male and female adults of the assinus salicina are trapped.

The invention develops the method for inducing and controlling the propagation of the tea bark beetles by utilizing the sex pheromone, so that the sex pheromone of the tea bark beetles can be quickly obtained at high yield, and the obtained sex pheromone can be effectively utilized to induce and control the propagation of the tea bark beetles. The tea bark beetles are collected from rotten wood in an electric shock desinsectization mode for the first time. The low temperature of 16 DEG C, the high humidity of about 88%, low-concentration alcohol stimulation and blue light irradiation are selected, and rapid incubation of the tea bark beetle eggs is achieved. According to the method, high light with low temperature of 18 DEG C, high humidity of about 86% and 1200 Lux is selected for stimulation, so that rapid eclosion of the tea bark beetle pupae is realized. Alkali stimulation of 120 mg / L sodium hydroxide at the high temperature of 32 DEG C and the long photoperiod of 20 L: 4 D is selected, and nutrition enhancer fairy year eggs are added, so that the yield of sex pheromones is increased.

The invention discloses a grape smooth foot distance bark beetle control suitable period determination system and method based on image recognition, and belongs to the technical field of plant protection and computer vision crossing. Continuously acquiring multiple frames of two-dimensional images through image acquisition equipment arranged in a grape planting area; carrying out identification processing on the image, and respectively counting and generating an adult outlet crawling cardinal number, a male-female ratio, a trunk surface boring hole density, a runoff character characteristic, a grape tree foot area wood powder accumulation thickness, and cylindrical boring chip distribution density index data falling off or hanging around a trunk; and comparing each index with a corresponding preset prevention and control starting threshold value, and when at least three indexes reach or exceed the threshold values, determining that the current moment is a suitable time node when prevention and control measures need to be started. According to the method, the image recognition technology is adopted to automatically capture the early representation of the moth harm in multiple dimensions, so that the accurate and objective judgment of the appropriate prevention and control period of the grape beetle beetle is realized, and a scientific basis is provided for the intelligent prevention and control of the grape beetle beetle.

The invention relates to the technical field of microorganisms, in particular to beauveria bassiana QZ and application thereof. The collection number of the beauveria bassiana QZ is GDMCC No: 66669. The beauveria bassiana QZ provided by the invention has strong pathogenicity to coffee berry bark beetles, the strain is modified to express and deliver double-stranded RNA-dsDorsal, the pathogenicity is stronger, laboratory data shows that the fatality rate is almost 100% within 8 days, and the lethal ability is improved by 20% compared with that of a non-transgenic strain.

System for the early detection of bark beetle infestation, characterized in that the system has at least one stationary or mobile sensor unit for recording infestation indicators, a local processing unit for evaluating the recorded data and a communication module for transmitting infestation information to an external receiving unit.

The invention relates to the technical field of animal feed, in particular to a coffee berry bark beetle breeding composition and a preparation method and application thereof. The culture composition provided by the invention is simple in components, easy to prepare and convenient to operate. The culture composition takes coffee powder, whole wheat flour, wheat germ powder, agar, cane sugar, yeast powder and casein as main components, and has good palatability on the larvae of the coffee berry bark beetles. The coffee berry bark beetles fed by the feed disclosed by the invention are good in development and can be continuously fed, and insect source guarantee is provided for indoor research of the coffee berry bark beetles.

The invention discloses a botanical attractant for trunk borers in hazelnut gardens and application of the botanical attractant, relates to the technical field of forest protection, and aims to solve the problem that the botanical attractant for effectively treating the trunk borers in the hazelnut gardens does not exist in the prior art. The active component of the attractant provided by the invention is composed of one or more of a-pinene, beta-caryophyllene, aggregation pheromone (S)-(-)-bark beetle enol and (S)-(+)-bark beetle dienol, and the mass part ratio of the active component is (0.01-0.1): (0.03-0.3): (0.05-0.3): (0.02-0.5). A carrier loaded with the attractant is placed in a trap, and is suspended at a position 1.8 m away from the ground in an area where the northern maozhou bark beetles occur or possibly occur, and the northern maozhou bark beetles are trapped. The attractant provided by the invention is applied to pest situation prediction and forecast and mass trapping, and achieves an ideal effect of green prevention and control of trunk borers in hazelnut gardens, i.e., northern euphorbia hirsuta.

Described are dispersions containing polymer particles or polymer-based nano- or microaggregates which are loaded with at least one messenger substance for attracting or repelling a predetermined wood-dwelling beetle species or for attracting a predator of this beetle species and optionally with further auxiliaries and additives, with the proviso that the polymer has at least one polymer-specific parameter selected from the group of the glass transition temperature, the crystallite melting temperature, the supramolecular interactions, the air humidity, the action of light or the targeted degradability, which changes in a predetermined temperature range and / or humidity range, so that the messenger substance contained in the particles is released or that the polymer or the polymer-based nano- or microaggregate is degraded enzymatically or hydrolytically, so that the messenger substance contained in the particles is released. The dispersions can be used in particular to combat bark beetles.

The invention relates to the technical field of forest damage detection and image processing, in particular to a system and a method for automatically detecting plant diseases and insect pests of a needle-leaved pure forest by fusing multi-modal visual cognition modeling and unmanned aerial vehicle remote sensing, which comprises the following steps: collecting canopy images and metadata through unmanned aerial vehicle visible light remote sensing, and innovatively constructing a pathological feature enhancement model; extracting a non-green area mask through HSV color gamut threshold segmentation, and enhancing pathological features in combination with contrast gain and a brightness suppression coefficient; then, a vision-language collaborative reasoning framework is constructed, enhanced vision information and pathological description cues are fused, and zero sample recognition of diseases and insect pests is achieved; and finally, a detection result is efficiently output through an asynchronous processing pipeline, and the regional damage rate is calculated. According to the method, pathological feature enhancement and multi-mode reasoning are integrated, the detection precision, the positioning precision, the efficiency and the damage rate estimation error of the method are all superior to those of a conventional model in the needle-leaved pure forest environment damaged by the pine bark beetles, high efficiency and reliability are verified, and a new way is provided for monitoring the diseases and pests of the needle-leaved forest.

The invention provides bacillus subtilis MJ-4 as well as a microbial agent, a preparation method and application thereof, and relates to the technical field of microbial fertilizers, the bacillus subtilis MJ-4 is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No. 30850. The bacillus subtilis MJ-4 strain provided by the invention is a strain MJ-4 which is separated from sick bark beetle bodies and has a relatively strong lethal effect on pine bark beetles, and is high in propagation speed and stable in performance. The bacillus subtilis strain is identified as gram positive bacillus subtilis. The microbial agent prepared by fermentation of the bacillus subtilis MJ-4 has the advantages that the corrected death rate of bark beetles in contact with pine trees can reach 90.04%, the corrected death rate of stomach toxicity can reach 57.84%, and the microbial agent has a good prevention and control effect on the bark beetles in the pine trees.

The application discloses an insect trapping and killing prevention method, and belongs to the technical field of insect prevention and control. The method specifically comprises the following steps: (1) selecting a carrier, a pesticide and an insect attractant; (2) adsorbing the pesticide on the carrier, and then compounding the pesticide with the insect attractant for use, or adsorbing the pesticide and the insect attractant on the carrier, or spraying the pesticide on the carrier, and then compounding the pesticide with the insect attractant for use, or spraying the pesticide and the insect attractant on the carrier; and (3) winding the carrier around a tree trunk, supporting the carrier on a vacant land in a forest or throwing the carrier on a tree in the forest. The application provides an information field insect trapping and killing method for bark beetles, and the use or arrangement means of a traditional trap is omitted, and the method is combined with a traditional pesticide to achieve the purposes of convenient arrangement, high-efficiency attraction and effective killing.

The invention discloses a primer probe group and a kit for identifying red bark beetles and application of the primer probe group and the kit, and relates to the technical field of molecular biology. The primer probe group for identifying the red material bark beetles comprises a first upstream primer with a nucleotide sequence as shown in SEQ ID NO.1, a first downstream primer with a nucleotide sequence as shown in SEQ ID NO.2 and a first probe with a nucleotide sequence as shown in SEQ ID NO.3. The primer probe group is strong in specificity and high in sensitivity, overcomes the limitation of traditional morphological detection, and can effectively distinguish red bark beetles from chessboard bark beetles, rubber bark beetles, grain bark beetles, synphytic bark beetles, light bark beetles, pine bark beetles, bidentate bark beetles and other related varieties.

The invention relates to the technical field of prevention and control and green ecological prevention and control of tomicus, in particular to an attractant and a lure of tomicus as well as a preparation method and application of the attractant. Comprising the following components in parts by weight: 0.5 part of (-)-bark beetle enol, 0.2 part of trans-verbenol, 0.1 part of bark beetle dienol and 2 parts of ethanol. The attractant provided by the invention can be used for efficiently attracting the tomicus asiatica, has the advantages of long lasting period, environment friendliness and the like, and is suitable for long-term monitoring and efficient prevention and control of tomicus asiatica populations.