2555 results about "Insect" patented technology

Frog farming method and frog cage are provided. The method comprises: I, putting young frogs in the frog cage in spring; II, putting lure attracting mosquitoes into the frog cage into the frog cage in summer and autumn, thereafter the frogs feed on the mosquitoes; III, avoiding snakes entering the frog cage in the place where the snakes inhabit; IV, covering the frog cage with plastic film in winter, mounting an electric lamp in the frog cage, increasing the temperature of air in the frog cage to keep the frogs not hibernating and promote the frogs to grow; V, adding artificial lure if necessary. The frog cage includes a fixed frog cage and a vehicle-mounted frog cage, both including inner tiers, wherein a water basin, a terrace and a stairway communicating the upper and lower tiers are arranged on each tier, and the frog cage is covered with a mesh enclosure. The frog framing method and frog cage have the advantages that the frogs are farmed in multi-tier cages, lures are used outdoors to attract insects, pests are eliminated for crops, natural ecology is balanced, and food sources are also provided for human; cage framing of frogs is very low in cost; frogs farmed have high reproductive rate, high disease resistance and high feed conversion capacity.

The invention provides a spartina alterniflora ecological environment damage value assessment method, medium and system, and belongs to the technical field of spartina alterniflora ecological environment damage assessment. A time-space damage analysis model based on a graph convolutional network is utilized to process a complex factor interaction relationship, a time weight factor correction model is established to quantify the dynamic change of a cumulative effect, and a biological inhibition factor effect model is combined to analyze the synergistic effect of multiple inhibition mechanisms such as local reed competition, natural enemy insect control, salt stress and the like. Accurate damage quantification and prevention and control strategy formulation are realized through the regional ecological environment damage value comprehensive evaluation model and the inhibition factor optimal configuration model, and the technical problem that the accuracy of ecological damage value evaluation is insufficient due to the fact that a multi-ecological factor interaction mechanism in the spartina alterniflora invasion process cannot be effectively analyzed in the prior art is solved.

A vacuum machine for capturing insects has a plenum having a collection opening at one end for collecting insects in an airflow, a fan assembly joined to the plenum at an opposite end from the opening at one end, the fan assembly having a motor-driven fan adapted to draw air through the opening for collecting insects, and an end opposite the end joined to the plenum, and a structure joined to the fan assembly at the end opposite the end joined to the plenum, the structure having elements adapted to kill insects drawn through the fan assembly and to collect the killed insects. The vacuum machine is adapted to be attached to and carried by a tractor with an adjustable elevator adapted to present the collection opening of the plenum oriented at different heights and directions toward a tree, to collect insects from the tree.

The invention discloses a crop pest monitoring method and system based on artificial intelligence, and the method comprises the steps: constructing a crop pest recognition model, and recognizing the types and number of pests; the method comprises the following steps: acquiring crop infrared thermal imaging image data of multi-view fusion, and identifying insect pest types and quantity of unshielded areas in a crop monitoring area; identifying a thermal anomaly region, and determining the number of insect pests in a shielded region in the crop monitoring region; constructing an insect pest type identification model, and determining the insect pest type of the shielded area in the crop monitoring area; calibrating the number and type data of insect pests in the crop monitoring area; constructing an insect pest prediction model, and judging a future insect pest diffusion trend; and evaluating the effectiveness of the pest control strategy, and adjusting the pest control strategy and implementing the advance of the pest control strategy. According to the invention, comprehensive monitoring, accurate identification and scientific prevention and control of insect pests are realized, the problems of monitoring blind areas and prevention and control lag are effectively solved, and the efficiency and reliability of insect pest prevention and control are significantly improved.

Disclosed herein is a novel electric insect zapper design incorporating a UV light source and a specialized fruit flies bait tray. This combination effectively attracts and eliminates a high percentage of fruit flies, offering a more efficient solution compared to traditional bug zappers. The bait tray, placed close to the UV light, uses diced fermenting fruits to specifically target fruit flies, leading to rapid and effective control of these pests in household environments.

The invention relates to the technical field of image recognition, in particular to an agricultural crop disease and pest detection method and system based on image segmentation, and the method comprises the steps: collecting a vertical view angle image and an inclined view angle image of a tea garden through an unmanned aerial vehicle, carrying out the image registration through SIFT feature extraction, KNN matching and RANSAC filtering, and carrying out the alignment to a reference image coordinate system. And segmenting the foreground region by adopting a U-Net algorithm, and performing post-processing optimization. Positioning a disease area through a color detection method, extracting disease features, and identifying a disease stage by using a CNN algorithm; and using a YOLOv3 algorithm to identify insect body areas, extracting insect pest features, and evaluating insect pest degrees. And finally, based on the disease stage and the pest degree, using an LSTM algorithm to predict the pest diffusion trend, and generating a space thermodynamic diagram according to the reference image coordinate system, thereby improving the detection precision and timeliness, and providing technical support for intelligent agricultural prevention and control.

The invention provides a large-scale insect and bird migratory flight monitoring system based on a weather radar net, and the system employs a data collection module to obtain S, C and X wave band weather radar monitoring data of the national weather radar net, and a quality control module carries out the quality control of the radar-based data in the monitoring data, and further provides the radar-based data to an echo recognition module to construct recognition features. A classification recognition result is obtained by adopting a recognition model corresponding to the wave band; the inversion quantification module inverts the insect and bird density, the insect and bird speed and the vertical distribution of the movement direction based on the classified and identified insect and bird echoes to obtain an inversion quantification result; and the classification identification result and the inversion quantification result of the single wave band form a local monitoring result. And the visualization module displays a single-band local monitoring result or a multi-band fusion monitoring result. According to the invention, multi-band data can be collected, monitoring results are fused, real-time and efficient monitoring of migration of insects and birds is realized, and the monitoring range is expanded.

The invention discloses a satellite and unmanned aerial vehicle remote sensing monitoring control system based on insect behavior regulation and control, which relates to the technical field of remote sensing monitoring and comprises an insect monitoring regulation and control system, an unmanned aerial vehicle remote sensing comprehensive processing system, a satellite remote sensing comprehensive processing system and a visual monitoring command platform. The insect monitoring regulation and control system carries out insect behavior regulation and control on a target area and collects an environment monitoring data set, and ground insect information feature data is obtained through analysis; the unmanned aerial vehicle remote sensing comprehensive processing system collects unmanned aerial vehicle multispectral images of the region after insect behavior regulation and control, and analyzes the images to obtain insect generation types, insect distribution thermodynamic diagrams and insect density change trends; a satellite remote sensing comprehensive processing system collects satellite remote sensing data of the region after insect behavior regulation and control, and a wide-area insect pest thermodynamic diagram is obtained through analysis; and the visual monitoring command platform is used for providing a visual operation interface for a user, presenting an insect pest analysis result to the user, and supporting the user to carry out remote operation and implement a real-time insect pest control scheme.

The invention relates to the technical field of disease and insect pest image analysis, in particular to an AI image recognition and grading method for field crop leaf disease and insect pests, which comprises the following steps: under the irradiation of a field fixed light source, synchronously acquiring a plurality of polarized reflection images around crop leaves at preset angle intervals; extracting a pixel polarization degree matrix of a leaf area in each polarization reflection image; inputting the pixel polarization degree matrix into a polarization transmission model, outputting a cuticle anomaly coefficient graph, and marking an area exceeding a preset anomaly threshold in the cuticle anomaly coefficient graph as a highlight display area; matching an infection type template library according to a highlight display area distribution mode in the abnormal coefficient graph; and calculating an infection intensity value by combining the diffusion gradient of the highlight area, and outputting a pest grade. According to the method, the boundary of the optical mutation region of the focus region is depicted, so that the physical interpretation of disease detection is improved, and distinguishable feature spaces are provided for different infection mechanisms (such as fungal growth layers and insect pest piercing and sucking points).

An insect monitoring system for use in agricultural fields is provided. The monitoring system has a chemical lure to attract insects to the monitoring system, and an adhesive material on which insects drawn to the lure can be trapped for later evaluation. The monitoring system also has a three-piece canopy made of two opposing sides and a cover. The parallel sides are roughly triangular and the cover sits above, and is attached to, the sides. The adhesive trap is held vertically between the two opposing sides of the canopy. The lure is held horizontally above the adhesive trap by being inserted through slits in the cover. The canopy can be assembled from a flat sheet of a prepatterned rigid material.

The invention relates to an insect accurate control assembly line type three-dimensional breeding system, which comprises two or more three-dimensional insect breeding mechanisms and a plurality of layered synchronous material distribution and insect throwing devices, and is characterized in that each three-dimensional insect breeding mechanism comprises a breeding frame and a plurality of layers of partitioned continuous breeding mechanisms; the partitioned continuous breeding mechanism comprises a breeding space, the interior of the breeding space is divided into at least two breeding areas, each breeding area is internally provided with an environment control mechanism, and at least one breeding area is internally provided with a first material loosening mechanism; isolation doors are arranged at the two ends of at least one breeding area. The system design of the invention adopts a modularization concept, and each component can be independently replaced or upgraded to adapt to special requirements of different insect varieties; customized cultivation of special insects can be achieved by increasing environment control parameters or adding functional modules, the method covers multiple fields of agriculture, environmental protection, medicine and the like, and the market adaptability is wide.

The invention discloses a pest control management system and method for forest tree breeding, and relates to the technical field of forest tree breeding and seedling raising, and the method comprises the following steps: collecting environment data and soil rhizosphere data by collecting multi-mode images of leaves and trunks of a pinus massoniana young forest and videos that pinus massoniana caterpillars gnaw leaves and cluster diffusion; constructing a disease and insect pest recognition model by using a convolutional neural network, performing definite diagnosis on pine wood nematode disease, pine caterpillars and monochamus alternatus hope, and quantifying the disease and insect pest occurrence area and population density of each sub-region; calculating a pine wood nematode disease control demand index, comparing the pine wood nematode disease control demand index with a threshold value, and triggering a corresponding control strategy; the diffusion coefficient of the pine caterpillars is calculated and compared with a risk threshold value, and a prevention and control scheme is formulated; calculating the propagation coefficient of the monochamus alternatus hope, judging the propagation risk and giving a prevention and control strategy; according to the invention, intelligent pest identification, risk quantification and control strategy closed-loop control are realized, treatment and scientific prevention and control are facilitated, and the pest control efficiency of the pinus massoniana young forest and the forest stand health level are improved.

The invention discloses portable detection equipment for measuring the number of insects in soil, and belongs to the technical field of soil insect detection equipment.The portable detection equipment for measuring the number of insects in soil comprises a sampling barrel, a mounting barrel is arranged at the top of the sampling barrel, and a power supply assembly is mounted in the mounting barrel; a heating assembly is mounted at the bottom of the power supply assembly, and a threaded sleeve is arranged between the sampling barrel and the mounting barrel. By designing the sampling barrel, the sampling cutting ring and the threaded cover, when the sampling barrel collects soil, the sampling cutting ring can be directly mounted at the bottom of the sampling barrel, and the threaded cover is mounted at the top of the sampling barrel, so that soil collection is facilitated, soil is prevented from permeating into an upper thread of the sampling barrel, and an inner thread of the sampling barrel is protected; in addition, the whole device is convenient to assemble and high in practicability.

The invention relates to the technical field of intelligent power grids, in particular to a low-voltage draw-out type switch cabinet which comprises a cabinet body, a power grid arranged on the inner side wall of the cabinet body, a heat dissipation plate arranged on the inner side wall of the cabinet body, a plurality of static contacts arranged on the inner side wall of the cabinet body and a cleaning mechanism arranged on the inner side wall of the cabinet body and used for cleaning the power grid. The cleaning mechanism comprises two first electric sliding rails arranged on the inner side wall of the cabinet body, according to the low-voltage draw-out type switch cabinet, the overturning plate is driven by the first motor to rotate at multiple angles, the spraying head can evenly cover the outer corners of the cabinet body after the insect repellent is atomized, reptiles are dispersed from the source, and the low-voltage draw-out type switch cabinet is convenient to use. The cleaning mechanism can be quickly started, heat dissipation blocking and equipment faults caused by accumulation of dead insects are prevented, and it is guaranteed that the low-voltage draw-out type switch cabinet is always kept in a safe and stable working state in long-term operation.

The invention relates to the technical field of intelligent prevention and control of agricultural pests, in particular to a monitoring, trapping and killing method for field fruit fly pests, and adopts the technical scheme that the top is fixed through an adjustable hook, the pests are attracted by a food attractant to be in contact with an annular pulse power grid, the shot-down pests enter a pest receiving device through a funnel, and the quantity is counted in real time by an infrared counter; the adjustable hook is provided with an anti-rotation buckle structure, the tail end of the anti-rotation buckle structure is integrated with a spiral anti-bird thorn, the hanging stability is improved, a solar panel is adopted for automatically tracking illumination, the electricity utilization cost is saved, and potential safety hazards are reduced; a food attractant constant-temperature slow-release system is constructed through a PTC constant-temperature heating piece, the optimal volatilization temperature is maintained, the trapping and killing efficiency is improved, real-time analysis and remote transmission of insect situation data are supported through an environment sensor and an edge calculation algorithm, and the problems that a traditional trap is low in efficiency, high in mistaken trapping rate, lagged in data feedback and the like are solved. The method is suitable for precise monitoring and green prevention and control of field fruit flies.

The invention discloses an insect situation track fusion analysis method based on multi-source sensor data, and relates to the technical field of data analysis, and the method comprises the following steps: deploying multi-source sensors at different monitoring area points according to the monitoring characteristics of the multi-source sensors; performing time-space fusion on the monitoring data returned by the multi-source sensor and the data; performing trajectory prediction through a long short-term memory (LSTM) network model, and analyzing the future movement trajectory of the winged insects; performing real-time prediction analysis on the insect situation track, performing analysis to generate a spatial distribution thermodynamic diagram, displaying activity hotspots of winged insects in a monitoring area, and identifying a high-frequency activity area; according to the invention, multi-point data can be integrated, real-time dynamic monitoring of the winged insect trajectory and hot spot region identification are realized, and the space information loss of a single monitoring point is made up.

The invention relates to the technical field, in particular to an intelligent crop insect pest recognition and early warning system based on a multi-modal large language model, which is based on a numerical difference and fluctuation detection mechanism, eliminates sudden change and abnormal sampling, extracts time correlation characteristics of parameters such as temperature and humidity, illumination and wind speed, effectively restores an insect pest occurrence environment, and improves the early warning efficiency. After images and environment data are aligned through a time index, a unified time sequence feature structure is constructed through transverse splicing, linear zooming and missing processing, a generative adversarial network is introduced for weighted combination, a single-channel fusion representation vector is constructed, cross-modal data consistency and representation precision are improved, and a neighbor category center is matched by adopting an Euclidean distance, so that the cross-modal data consistency and representation precision are improved. And performing difference value superposition and center updating on the deviation vector in combination with an isolated forest, so that a label result has adaptive expansion capability and abnormity identification capability, matching a preset message template, formatting the pushed content into a short message and an application message through interface calling, and realizing instant notification of the insect attack event.

The invention discloses a double-stranded RNA (Ribonucleic Acid) aiming at hemiptera insects as well as a pesticide composition and application of the double-stranded RNA. The dsRNA provided by the invention is used as a biopesticide, has the characteristics of high efficiency, specificity, fast degradation and no residue, realizes the prevention and control of brown planthopper through an RNAi mechanism, and is beneficial to reducing the use of chemical pesticides. The invention provides a brand new brown planthopper target gene as a target of RNA interference. The survival rate result shows that the genes play an important role in the survival process of the brown planthopper, are effective targets for preventing and treating the brown planthopper by using a gene silencing means, and have a wide application prospect. Correspondingly, the invention provides a plurality of dsRNA sequences aiming at the targets, and part of the sequences show unprecedented brown planthopper control efficiency.

A microminiature insect smell induction and smell selection behavior observation device is characterized in that a smell induction device comprises a feeding chamber (1) and connecting pipes connected to the two ends of the feeding chamber (1), and the outer sides of the connecting pipes are connected with a smell storage chamber; air holes (15) are formed in the top of the feeding room (1), and a solution delivery device is arranged on the front; each connecting pipe is composed of a high-density sponge hollow sealing plug and a plastic sleeve with one end open and the other end provided with a breathable gauze element. The smell storage chamber is composed of a smell storage chamber body and a closed silica gel plug or a hollow silica gel plug, the two ends of the smell storage chamber body are open, and a breathable gauze is arranged in the center in the smell storage chamber body to prevent the trichogramma ovipositor from touching smell substances. The device is simple in structure, is suitable for smell research of trichogramma, has the advantages of high efficiency and labor saving, and can obviously improve the experiment efficiency.

An insect trap includes a combination of one or more components used to classify the insect according to a genus and species. In one embodiment, an apparatus can include an entry aperture configured to lead one or more insects to an imaging chamber within the apparatus. A device may include a door on a side surface of the apparatus, wherein a rear surface of the door is positioned within the imaging chamber in a closed position, and wherein the rear surface of the door comprises a removable / replaceable adhesive material or surface configured to trap one or more insects thereon. A device may include at least one imaging sensor positioned opposite the rear surface of the door configured to capture images of the one or more insects adhering to the adhesive material or surface.

The invention discloses a crushing device for cordyceps sinensis processing, and belongs to the technical field of cordyceps sinensis processing.The crushing device for cordyceps sinensis processing comprises a box body, a crushing part is arranged in the box body, the crushing part comprises guide grooves formed in the left side and the right side of the center of the upper end in the box body, and a first storage cavity is formed in the box body; a first storage cavity is formed in the box body, cut cordyceps sinensis is crushed through a first grinding rod and a second grinding rod, although the crushing time of a sub-base is the same as that of insect bodies, the rotating speed of the first crushing rod is different from that of the second crushing rod, so that the crushing efficiency of the sub-base is different from that of the insect bodies; the smashing efficiency of the stromata and the worm body can be guaranteed, the pesticide effect damage caused by excessive smashing of the stromata with a relatively loose structure is avoided, the stromata and the worm body which are smashed separately are more beneficial to extraction of components in the stromata and the worm body, and the quality of the smashed cordyceps sinensis is guaranteed.

The utility model relates to an experimental device for detecting learning memory of insects. The experimental device comprises a smell conveying device and a conditional training device. The smell conveying device comprises an air pump which is connected through a hose and located outside the box body, and an air filter, an air humidifier / flowmeter, a smell source chamber and a smell release pipe which are sequentially connected through the air pump through hoses, the conditioned training device is composed of an isolation chamber and an insect body fixator, the isolation chamber is of a hexahedron structure, the right face of the isolation chamber is provided with an opening, and the opening face is provided with an air outlet; the odor releasing pipe penetrates through the left side face of the isolation chamber and forms an included angle of 15-45 degrees with the bottom face of the isolation chamber, the left side, the front side, the rear side and the upper face of the isolation chamber are composed of light transparent thin plates, the bottom face is wrapped with a film, a micro-hole is formed in the center of the film on the bottom face, the insect body fixing device is located below the micro-hole of the isolation chamber, and an exhaust fan is arranged on the right side wall of the box body. The device is reasonable in structure, and can evaluate whether insects can establish the combined learning and memory ability of conditional odor stimulation and volatile compound or non-volatile food intake.

The invention relates to the technical field of disease and pest monitoring, and discloses an intelligent mechanical device for agricultural disease and pest monitoring, the intelligent mechanical device comprises a trapping box, the top of the trapping box is fixedly connected with a fixing frame, the inner wall of the fixing frame is provided with a louver board, the inner wall of the fixing frame is fixedly connected with a motor, and the motor is fixedly connected with the top of the trapping box. A first reciprocating screw rod is fixedly connected to the output end of the motor, a sliding rod is movably connected to the circumferential surface of the first reciprocating screw rod, a cleaning plate is fixedly connected to the outer surface of the sliding rod, a trapping lamp is installed on the inner wall of a second connecting frame, an electric power device is arranged on the inner wall of the trapping box, and a sieve plate is fixedly connected to the inner wall of the trapping box. After insects enter, the motor drives the cleaning and wiping plate to move in a reciprocating mode to clean the trapping lamp, the situation that light is reduced due to the fact that the insects gather on the trapping lamp is prevented, attraction to the insects is kept, the trapping lamp can continuously and effectively attract the insects, and the trapping efficiency is improved.

The present disclosure relates to the field of molecules having pesticidal utility on pests in Phyla Arthropoda, Mollusca and Nematoda, methods of producing such molecules, pesticidal compositions containing such molecules, and methods of using such pesticidal compositions against such pests. These pesticidal compositions can be used, for example, as acaricides, insecticides, acaricides, molluscicides, and nematicides. This document discloses molecules having the formula and mixtures thereof. # imgabs0 #

The invention relates to the technical field of pest control, and discloses a natural enemy insect release device for forest pest control, which comprises an unmanned aerial vehicle body capable of identifying and detecting the state of a tree, a putting mechanism arranged below the unmanned aerial vehicle body and a feeding pipe arranged in the putting mechanism, and a pull rope is arranged at the upper end of the feeding pipe. A fixing shaft is fixedly installed at the upper end of the pull rope, a plurality of guide vanes are fixedly installed on the outer side of the fixing shaft, a fixing cylinder with an opening formed in one end is fixedly installed on the guide vanes, the opening is located in the end, away from the fixing shaft, of the fixing cylinder, a balance weight bead is movably installed in the fixing cylinder, and a winding wire is connected between the balance weight bead and the cylinder wall of the fixing cylinder; the lower end of the feeding pipe is provided with a blocking piece which enables the feeding pipe to be communicated inside and outside when the feeding pipe is put. The natural enemy insect releaser aims at solving the problems that a feeding pipe of an existing natural enemy insect releaser is put on the ground, so that insects cannot quickly reach target trees, and diseases and pests of the target trees cannot be prevented and controlled.

A downspout end cover protects and closes a lower end of a cylindrical rain gutter downspout assembly. The cover includes a body that forms a continuous hollow channel for passage of collected rainwater. An aperture at the back of the body is sized to attach to the downspout, and a front cylindrical or oval aperture emits collected rainwater. A door is rotatably attached to the front of the body at a top of the front of the body by a hinge and when closed, prevents entry of animals, insects or blown debris. The front of the body may be sloped and the door may rest against an inset ledge that protects the door and seals the downspout end cover against entry of insects and preventing detachment of the door from the body. The hinge may be offset from the back surface of the door by an arm.

The invention relates to the technical field of agricultural insect catching, in particular to a farmland four-condition monitoring station which comprises an insect condition forecasting system and a weather forecasting system. The insect condition forecasting system comprises an insect attracting assembly, an insect killing assembly and an insect collecting assembly; the insect attracting assembly is connected with the lower end of the mounting plate; the insect killing assembly is connected with the lower end of the insect attracting assembly; the insect collecting assembly is connected with the insect killing assembly; the meteorological forecasting system is arranged above the insect attracting assembly and is connected with the mounting plate; received airflow is guided through improved wind speed transmitter blades and a pressure air duct, so that trapping smell in the center of the funnel can be diffused, and negative pressure suction force is formed, so that pests can be more easily fed into the pest killing assembly and can be prevented from escaping at the same time; an electronic pulse generator is used for replacing high temperature for deinsectization, so that space and energy consumption are saved; the problems that pests cannot be effectively trapped, high-temperature pest killing is high in consumption and large in occupied space, and the measurement result of the meteorological instrument is deviated are solved.

The invention relates to a device for use in large-scale industrial insect farming. More in particular, the invention relates to an insects transport device for transporting live insects from a first location to a predetermined second location, the insects transport device comprising a gas guiding unit, a gas discharge member and a feeder arrangement, wherein the insects transport device is configured to receive live insects such as freshly hatched neonate larvae, for example of black soldier fly, or mites, wherein the live insects are directly taken up in a laminar flow of gas after exiting the feeder arrangement in a free fall under influence of gravitation such that the live insects do not contact any surface of the insects transport device, and while in said gas are transported to a predetermined location in the insects transport device. Furthermore, the invention relates to the use of the device in industrial insect farming, such as large-scale farming of black soldier flies or mites. The invention also relates to a method of dosing a pre-selected number of live insects, wherein for example live insects are dosed which are essentially of the same age (e.g. within an age difference of 1 second-1 minute), such as freshly hatched neonate larvae. In addition, the invention relates to a single dose of a pre-selected and determined number of neonate larvae obtained with the method, wherein larvae have a seconds to at most a few minutes larvae-to-larvae age difference within the single dose.

A device and method for removing insects, specifically small hive beetles, from a beehive without harming the hive or the bees. The device includes a collection tube, a collection chamber, a vacuum, and a power source. The vacuum is fluidly connected to the collection tube such that the vacuum creates suction at the entrance to the collection tube. A user may insert the tip of the collection tube into the individual cells of a beehive to remove any pest insects from the cells of the hive. Further, a user may remove any pests from the corners and surfaces surrounding the hive. The device is configured to create an appropriate amount of suction to remove the pests without damaging the structure of the hive or harming the bees therein.

The utility model discloses a tank cover capable of reducing foreign matter entering. The tank cover comprises a fixing ring, a top cover and a connecting hinge. The top cover comprises a cover top and an overhead peripheral wall; the top peripheral wall is arranged on the cover top in a surrounding mode along the edge of the cover top. The top peripheral wall is used for abutting against and being buckled to the fixing ring. A protruding base is formed at the top of the cover, a buckling wall is arranged on the protruding base, the connecting hinge is used for abutting against the protruding base, and a clamping hook used for being buckled to the buckling wall is arranged on the connecting hinge. An outer convex wing is arranged on the overhead peripheral wall, and a reinforcing rib is arranged on the connecting hinge; a fixing structure for fixing the spoon body is arranged on the top cover; a built-in part is further arranged on the cover top part, and the fixing ring is provided with a supporting part used for bearing the built-in part. By forming double locking, the locking stability of the fixing ring and the top cover can be improved, and the probability that insects or dust or other foreign matters enter the tank cover can be reduced.