83 results about "Red imported fire ant" patented technology

The invention relates to the technical field of solenopsis invicta prevention and control, in particular to metarhizium palustris for preventing and controlling solenopsis invicta as well as engineering bacteria and application of the metarhizium palustris. The Metarhizium anisopliae provided by the invention is a strain which is separated from the field and has high toxicity to the solenopsis invicta, and can be used for preventing and treating the solenopsis invicta or constructing engineering bacteria for preventing and treating the solenopsis invicta. The engineering bacterium constructed by the invention has high toxicity to solenopsis invicta, and can enable the bombyx batryticatus infected with the solenopsis invicta to volatilize a large amount of a solenopsis invicta attractant longifolene, so that the bombyx batryticatus has a trapping and killing effect on the worker solenopsis invicta, and the sanitary behavior of the worker is obviously slowed down. When the engineering bacteria constructed by the invention are combined with a small amount of chemical insecticide bait, the control effect of wettable powder taking spores of the engineering bacteria as an active component on a multi-ant nest (a single-ant nest) of solenopsis invicta is 79% (58%) within 3 days, 93% (90%) within 7 days and 98% (98%) within 28 days, and the method has the advantages of safety, high efficiency and the like.

The utility model provides a solenopsis invicta monitoring and trapping device, and relates to the technical field of solenopsis invicta monitoring and trapping devices, the solenopsis invicta monitoring and trapping device comprises a base, a trapping cylinder is arranged on the base, a cover body is arranged on the trapping cylinder, a diffusion structure is arranged in the trapping cylinder, and the diffusion structure is mainly composed of a discharging box. The feeding box is fixedly connected to the trapping cylinder, a motor is fixedly connected to the interior of the trapping cylinder, a fan is fixedly connected to an output shaft of the motor, a plurality of air inlet holes are formed in the side wall of the trapping cylinder, a plurality of through holes are formed in the feeding box, a diffusion cover is fixedly connected to the cover body, and the diffusion cover is fixedly connected to the cover body. The red imported fire ant monitoring and trapping device solves the problem that at present, a whole ham sausage is usually placed in the red imported fire ant monitoring and trapping device to trap red imported fire ants, fragrance of the ham sausage is diffused to the outside of the device slowly, and the red imported fire ant trapping efficiency is low.

The invention discloses red imported fire ant bait and a preparation method thereof. The invention relates to a red imported fire ant bait, which is prepared from the following components in percentage by mass: 56.76 percent to 61.99 percent of corn flour, 16.57 percent to 18.85 percent of dried meat floss, 16.50 percent to 18.90 percent of peanut oil, 3.08 percent to 4.22 percent of milk powder, 0.01 percent to 0.10 percent of ethyl butyrate, 1.34 percent to 1.70 percent of potassium sorbate and 0.01 percent to 0.50 percent of insecticide. Compared with the prior art, the solenopsis invicta bait has the following advantages that on the basis of background baits (corn flour, dried meat floss, peanut oil and milk powder), potassium sorbate keeps the freshness of the baits, a trace amount of ethyl butyrate is added, the appetite of solenopsis invicta is further stimulated, the palatability of the baits to the solenopsis invicta is improved, and the service life of the solenopsis invicta bait is prolonged. Particles with the average particle size of 1.5 mm are prepared through a pelletizer and are suitable for carrying of the solenopsis invicta, so that the attraction of the bait to the solenopsis invicta is further enhanced.

The utility model discloses a red imported fire ant bait station with a rainproof function, and relates to the technical field of red imported fire ant bait stations, in particular to a red imported fire ant bait station which comprises a base and a protective cover, the base is located below the protective cover, a drain hole is formed in the inner wall of the base, a trough is fixedly connected to the upper surface of the base, an insertion rod is inserted into the inner wall of the base, and the insertion rod is connected with the protective cover. The inner wall of the protective cover is fixedly connected with a medicine cylinder, the upper surface of the protective cover is in threaded connection with a sealing plate through a bolt, and the inner wall of the medicine cylinder is fixedly connected with a fixing frame. According to the solenopsis invicta bait station with the rainproof function, through cooperative arrangement of an inserting rod, a groove, a connecting frame, a partition plate, a second spring, a movable plate and a clamping block, the clamping block is driven to move through elasticity of the second spring, the connecting frame is clamped through the clamping block, then the inserting rod is taken out of the base, and the device is disassembled; therefore, the effect of facilitating disassembly and assembly is achieved, and the purpose of facilitating disassembly and assembly is achieved.

The utility model relates to the technical field of solenopsis invicta prevention and control, in particular to a solenopsis invicta trapping device which comprises a trapping cylinder, a trapping shell and a first collecting cover. A fixing assembly is arranged on the outer cylinder surface of the trapping cylinder body, and the fixing assembly is used for fixedly installing the trapping cylinder body; a trapping cavity is formed in the inner barrel face of the trapping barrel and used for containing red imported fire ant bait. The trapping shell and the first collecting cover body are detachably installed at openings in the two ends of the trapping barrel respectively, and a trapping opening is formed in the trapping shell. The solenopsis invicta trapping and testing device is suitable for trapping and testing solenopsis invicta and can solve the problems of transportation, storage and the like of trapping bait.

The invention belongs to the technical field of solenopsis invicta prevention and control, and particularly relates to solenopsis invicta food bait as well as a preparation method and application thereof. The invention provides red imported fire ant food bait. The red imported fire ant food bait is prepared from energy main materials and auxiliary materials, the energy main material consists of the following components in percentage by weight: 50-70% of insect protein powder, 5-20% of corn flour, 9-11% of peanut oil, 9-11% of fish meal and 9-11% of cane sugar. The invention also provides an attractant matched with the red imported fire ant food bait. According to the invention, the efficiency of finding bait by the red imported fire ants can be improved, meanwhile, the recruitment behaviors of the worker ants are further increased, more worker ants are lured, and the comprehensive trapping effect is good.

The invention relates to the field of solenopsis invicta prevention and control, in particular to a long-acting solenopsis invicta killing bait and a preparation method thereof.The long-acting solenopsis invicta killing bait is prepared from indoxacarb, sophocarpidine, huperzine A, piperidine, modified sodium alginate, corn, wheat, fructose, potassium sorbate, calcium propionate, vitamin E and modified glycerin. The insecticide components are prepared into microcapsules which wrap insecticidal active components and have a slow release effect, and the huperzine A inhibits acetylcholin esterase, increases the concentration of acetylcholine and activates a sodium ion channel; indoxacarb blocks a sodium ion channel and inhibits nerve impulse; the matrine inhibits Na < + >-ATPase and influences the membrane potential; the effects result in that nerve cells are more susceptible to indoxacarb. The modified sodium alginate changes the permeability of cell membranes and affects ion balance. Various components have a synergistic effect, so that the neurotoxicity is enhanced, the solenopsis invicta paralysis or death is finally caused, and the termite killing effect is improved. The long-acting bait combines efficient insect killing and environment friendliness, and an innovative solution is provided for prevention and control of the solenopsis invicta.

The solenopsis invicta trapping device comprises a hollow trapping cylinder, a trapping opening is formed in the position, close to the front end of the trapping cylinder, of the bottom of the trapping cylinder, a fixing frame is arranged on the outer wall of the trapping cylinder, a containing opening is downwards formed in one side of the upper end of the outer wall of the trapping cylinder, and a sealing cover is hinged to one side of the inner wall of the containing opening. A notch is forwards formed in the lower portion of the rear end of the outer wall of the trapping cylinder and detachably connected with a trapping box, a containing groove is formed in the rear portion of the upper end of the trapping box, and a guide frame close to the rear end of the inner wall of the trapping box is arranged at the front end of an opening of the trapping box; a scraper assembly is rotationally connected between the rear end of the driving assembly and the rear end of the inner wall of the trapping cylinder in a matched mode. The solenopsis invicta trapping device not only can trap solenopsis invicta, but also can prevent the trapped solenopsis invicta from escaping, meanwhile, the effect of killing the solenopsis invicta can be achieved in the trapping process of the solenopsis invicta, the control effect on the solenopsis invicta is provided, and the applicability of the solenopsis invicta trapping device is improved.

The invention relates to the technical field of invasive organism detection, in particular to a solenopsis invicta identification method, device and equipment applied to a biological detection van and a medium, and the method comprises the steps: obtaining an original image, carrying out the preprocessing of the original image, obtaining an optimized image, carrying out the cutting processing of the optimized image through employing an SAHI algorithm, obtaining a plurality of overlapped image slices, and carrying out the recognition of the multiple overlapped image slices; then obtaining a pre-trained YOLO model to perform red imported fire ant identification processing and positioning processing on the plurality of overlapped image slices to obtain an initial bounding box corresponding to each image slice and a category probability corresponding to each initial bounding box, and then performing merging and de-duplication processing on each initial bounding box based on the category probability to obtain an initial bounding box; according to the method and the device, a plurality of target bounding boxes which are not overlapped with one another are obtained, and finally the target bounding boxes are subjected to quantity statistical processing to obtain solenopsis invicta quantity statistical data, so that automatic detection of the solenopsis invicta is realized, the detection efficiency and the coverage range are improved, and the recognition accuracy is also improved.

This invention provides a novel digital precision control method for red imported fire ants. The method includes: S1 acquiring red imported fire ant occurrence points and aggregating all occurrence points into a set of red imported fire ant occurrence points; S2 sequentially grouping the red imported fire ant occurrence points in the set into control clusters, ensuring that red imported fire ant occurrence points that can share a single application point are grouped into one control cluster each time, until all occurrence points have been grouped; S3 applying pesticide at the centroid of each control cluster based on all control clusters collected in step S2. This method plans the optimal pesticide application point location within the red imported fire ant occurrence area, calculates the optimal pesticide dosage, controls the amount of chemical pesticides used, and reduces unnecessary pesticide waste; it precisely controls the pesticide application amount, achieving the goal of reducing pesticide use while increasing efficiency.

The utility model relates to the technical field of display tools, in particular to a solenopsis invicta breeding observation box which comprises a shell, two partition plates, a breeding device, a ventilation device and an ant nest simulation device, the two partition plates are arranged in the shell at intervals, and the interior of the shell is partitioned into a first cavity, a second cavity and a third cavity; the feeding device is arranged on the first cavity to form a feeding capture area, the ventilation device is arranged on the second cavity to form a ventilation activity area, the ant nest simulation device is arranged on the third cavity to form an ant nest simulation area, and a plurality of communicating holes are formed in the two partition plates respectively. According to the solenopsis invicta breeding observation box, the survival rate and safety of solenopsis invicta bred indoors are improved, and the dynamic law and behavioral characteristics of a solenopsis invicta population are conveniently observed; furthermore, the mimicry design of the ant nest enables the whole process of drug effect diffusion to be obtained more comprehensively and specifically in an indoor drug effect test.

The invention belongs to the technical field of pest control, and relates to a red imported fire ant control agent taking compound microorganisms as raw materials and a preparation method thereof, and the preparation method specifically comprises the following steps: step 1, culturing beauveria bassiana to obtain beauveria bassiana spore powder; step 2, culturing bacillus amyloliquefaciens and bacillus subtilis to obtain a compound bacteria metabolite; 3, modifying and roasting diatomite to obtain an active carrier; step 4, mixing and shearing the beauveria bassiana spore powder, the compound bacteria metabolite, the active carrier, the plant source synergist, the slow-release protective agent, the surfactant, the stabilizer, the buffer solution and the water to obtain the solenopsis invicta prevention and control agent.

The utility model discloses red imported fire ant bait processing equipment which comprises a containing bin, a nozzle and a stirring mechanism. The containing bin comprises a bin body and a bin cover, the bin body is provided with a containing cavity, a feeding hole 112 and a first mounting hole, the feeding hole 112 and the first mounting hole are communicated with the containing cavity, the feeding hole 112 is used for placing solid bait into the containing cavity, and the bin cover is movably connected to the feeding hole 112 and used for shielding the feeding hole 112; the nozzle is mounted in the first mounting hole and is used for spraying liquid to the accommodating cavity; the stirring mechanism comprises a stirring part and a driving part, the stirring part is located in the containing cavity, and the driving part is connected to the stirring part and used for driving the stirring part to rotate. In the processing process, solid bait can be firstly put into the containing cavity through the feeding hole 112, then the stirring mechanism is started, and the medicament is gradually sprayed to the bait through the nozzle in the stirring process, so that the medicament and the bait are more uniformly mixed.

The present invention provides the application of the red imported fire ant P450 gene, which is CYP6AS161 or CYP6AQ83, and the nucleotide sequences thereof are shown in SEQ ID NO.1 and SEQ ID NO.2 respectively. The present invention discovers the P450 genes CYP6AS161 and CYP6AQ83 involved in the detoxification metabolism of the red imported fire ant to pesticides, and uses the gene interference method to synthesize double-stranded RNA to knockdown the CYP6AS161 and CYP6AQ83 genes, thereby respectively improving the sensitivity of the worker ants and queens of the red imported fire ant to flonicamid. The present invention provides a new perspective for deeply understanding the resistance mechanism of the red imported fire ant to pesticides.

The application discloses a kind of weed removal and red fire ant prevention integrated system of photovoltaic power station, it is related to photovoltaic power station technical field, the application is installed line cutting device under photovoltaic panel, realize the automatic removal of weed, reduce the cost of manual removal of weed;Collection groove is set under line cutting device, collection groove is connected with conveying device, and the weed cut down is transported to specified trapping unit, realizes the organic combination and integration of equipment;The weed cut down by line cutting is used for the prevention and treatment of red fire ant, instead of using chemical additive, which is conducive to improving environmental benefits, practicing the concept of protecting environment, and the weed cut down is used again, reduces the secondary cost of processing weed, improves the economic benefits of power station.

The utility model relates to a red imported fire ant poison bait station which comprises a poison bait station body and an ant trapping processing mechanism, and a top cover is fixedly installed on the top of the poison bait station body. The termite trapping treatment mechanism comprises inclined blocks fixedly installed on the left side and the right side of the top of the poison bait station body, sliding blocks are fixedly installed on the opposite sides of the inclined blocks, heating wires are fixedly installed at the bottoms of the inclined blocks, and ultraviolet lamp tubes are arranged at the bottoms of the inclined blocks. According to the solenopsis invicta poison bait station, the poison bait station body is buried in the soil, solenopsis invicta seeks poison bait to fall into the drawer, by arranging the sliding block, the solenopsis invicta is trapped in the poison bait station body to prevent the solenopsis invicta carrying the poison bait from escaping out of the outside, and after the solenopsis invicta disappears after eating the poison bait, the solenopsis invicta is killed. A heating wire and an ultraviolet lamp tube are arranged to dry and disinfect the solenopsis invicta corpses to prevent bacteria, clamping blocks are arranged and pinched to move relatively, so that the clamping blocks for fixing the drawer move upwards, and the drawer is conveniently and quickly pulled out to clean the solenopsis invicta corpses in the drawer.

The invention provides a solenopsis invicta prevention and control method. The method comprises the following steps: S1, establishing an initial environment climate variable database of a prevention and control area; s2, investigating the red imported fire ant epidemic situation before dosing in the prevention and treatment area; the MaxEnt model is used for calculating the potential suitable-to-life distribution probability of the solenopsis invicta before dosing in the prevention and control area; s3, making a first prevention and control plan, and taking the first prevention and control plan as a current prevention and control plan to carry out pesticide prevention and control; s4, analyzing a medicament intervention degree variable of the current prevention and treatment plan; s5, the MaxEnt model is used for calculating the potential suitable-to-life distribution probability of the solenopsis invicta after chemical dosing in the prevention and control area; s6, judging whether the potential suitable-for-life distribution probability of the solenopsis invicta reaches a non-suitable-for-life threshold value or not after the pesticide is added into the prevention and control area in the step S5, if not, making a new prevention and control plan as a current prevention and control plan to carry out pesticide prevention and control, and then turning to the step S4 to execute; and if so, ending the program. And a plurality of factors are combined to evaluate the red imported fire ant potential suitable growth area, and dynamic and accurate control of red imported fire ants is realized.

The invention relates to the technical field of pest control, and discloses a prevention and control method, device and equipment for intercepting and eradicating solenopsis invicta in a new area. The method comprises the following steps: when a solenopsis invicta epidemic situation occurs, determining a new epidemic situation occurrence area and a potential occurrence area, and blocking the new epidemic situation occurrence area; monitoring and investigating the new epidemic occurrence area and the potential occurrence area to obtain the distribution range and the occurrence degree of the solenopsis invicta; according to the distribution range and the occurrence degree of the solenopsis invicta, killing, preventing and treating solenopsis invicta nests in stages to restrain occurrence and diffusion of the solenopsis invicta; and performing prevention effect investigation and tracking monitoring on the killed solenopsis invicta nests, and guiding the next step of prevention and control according to a monitoring result. The method has the advantages of being good in prevention and control effect and lasting in prevention and control effect, is suitable for prevention and control of red imported fire ant epidemic situations in newly-occurring areas, thoroughly removes ant nests, and can timely, effectively and rapidly control and kill red imported fire ants.

The application discloses a red imported fire ant sampler and a use method thereof and belongs to the field of insect research. The device comprises a base plate, the bottom end of the base plate is provided with four locking columns, the four locking columns are inserted into the soil, the bottom surfaces of the base plate and the locking columns are connected through a soft buckle assembly, the top end of the base plate is provided with a sitting and lying shallow groove, a collecting box is installed in the sitting and lying shallow groove, the collecting box and the sitting and lying shallow groove are attracted by a piece of iron pot subway, the inner side of the collecting box is provided with leaf food, and the leaf food is soaked by a flavoring agent. The smell emitted by the leaf food can attract the red imported fire ants to climb into the interior of the collecting box, at this time, the sticky piece at the top end of the slope ring can stop the weak red imported fire ants, the robust red imported fire ants can pass through the slope ring and enter the interior of the collecting box, the red imported fire ants cannot climb out of the transparent adhesive tape again, and the jumping insects can jump to the drooping paper strip from the bottom of the collecting box.

The present application relates to the technical field of red imported fire ant control, and particularly relates to a red imported fire ant auxiliary trap, which comprises a trapping table, a trapping chamber, a guide support and a food lure support, etc., the trapping table is connected with the trapping chamber, the trapping table is in the shape of a trapezoid higher than the ground to reduce the speed of red imported fire ants returning to the nest, the trapping chamber is arranged at the rear end of the trapping table, the guide support is arranged on the trapping table, the food lure support is slidingly connected in the guide support, and the trap further comprises a power assembly, a conveying belt and a shaking mechanism, the power assembly drives the food lure support to move in the guide support, and the power assembly supplies power to the conveying belt. The power assembly can drive the food lure support to move horizontally, the clamping rod of the food lure support moves a large number of red imported fire ants eating to above the collecting bin, the second double-shaft motor drives the cam to rotate to continuously vibrate the clamping rod, the red imported fire ants on the clamping rod are shaken to fall into the collecting bin, and thus the red imported fire ants are efficiently trapped and killed.

The present invention relates to the technical field of pest control, and specifically relates to a bait containing a fungus of the genus Cercospora and use thereof in controlling red imported fire ants. The bait is characterized in that the bait comprises soybean powder, corn flour, cicada pupa powder, flour, sesame oil, honey, a preservative, and a cake of the fungus of the genus Cercospora; 36 g of soybean powder, 30 g of corn flour, 20 g of cicada pupa powder, 5 g of flour, 2.5 g of sesame oil, 1 g of honey, and 0.5 g of preservative are prepared into 95 g of dry powder; the bait containing the fungus of the genus Cercospora has a good control effect on red imported fire ants, and the preparation method of the fungus and the bait is simple, and the materials are easy to obtain.

The utility model relates to the technical field of solenopsis invicta prevention and control, in particular to a trapping device for solenopsis invicta prevention and control. According to the technical scheme, the trapping device for red imported fire ant prevention and control comprises a shell, ground nails, a placing frame, a cover plate, a V-shaped plate, a power grid and side plates, the ground nails are inserted into the two sides of the shell, the placing frame is placed on the top of the shell, the cover plate is placed on the top of the placing frame, the V-shaped plate is fixedly connected into the shell, the power grid is fixedly connected to the right portion of the V-shaped plate, and the side plates are arranged on the V-shaped plate. And the left part of the shell is fixedly connected with a side plate. The solenopsis invicta trapping device attracts solenopsis invicta to enter the trapping device through smell emitted by an attractant and guides the solenopsis invicta to move towards the power grid through the V-shaped plate, the solenopsis invicta is killed by electric shock when making contact with the power grid, it is guaranteed that the solenopsis invicta is killed efficiently without threats to human beings, dead bodies are cleaned regularly, the attractant is supplemented regularly, the effectiveness of the device is kept, and the trapping efficiency is improved; and the number of solenopsis invicta populations is reduced, the maintenance difficulty is also reduced, and long-time stable operation is ensured.

The utility model discloses a red imported fire ant poison bait station preventing rain and bird feeding, which comprises a bait base, the top of the bait base is provided with a rain-proof cover, four adjusting screws are inserted into the rain-proof cover, the bottom ends of the adjusting screws penetrate through the bait base and are in threaded connection with adjusting nuts, and the adjusting nuts are in threaded connection with the rain-proof cover. Triangular plates are integrally formed on the front face and the back face of the rainproof cover, slope pieces are installed at the bottoms of the triangular plates, and a trapezoidal bait box located below the rainproof cover is placed at the top of the bait base. According to the utility model, the influence of external rainy days on outdoor installation of the solenopsis invicta poison bait station can be reduced, the timeliness of bait is ensured, and a relatively closed environment is formed by the rainproof cover, the triangular plate and the bait base in order to avoid the reduction of bait dosage and the harm to birds due to mistaken eating of the birds, so that the solenopsis invicta poison bait station is convenient to carry and effectively avoids mistaken eating of the birds; the solenopsis invicta is specifically prevented and controlled.

The invention belongs to the technical field of microorganisms, and particularly relates to an aspergillus strain or conidia thereof and application of the aspergillus strain or the conidia thereof in insect prevention and control. The preservation number of the aspergillus is CGMCC (China General Microbiological Culture Collection Center) The aspergillus or conidia thereof has excellent insecticidal activity on solenopsis invicta, and the insecticidal activity on the solenopsis invicta in a suspension with the concentration of 1 * 10 < 8 > spore / mL can reach 99% or above.

The invention discloses an odorant binding protein OBP7 gene and application of dsRNA of the odorant binding protein OBP7 gene in prevention and treatment of solenopsis invicta. The invention proves that SiOPB7 can identify undecanal so as to trigger the corpse stacking behavior of solenopsis invicta, specifically, the corpse stacking behavior of solenopsis invicta triggered by undecanal is inhibited by feeding worker solenopsis invicta with dsOBP7, the pathogen transmission risk in a solenopsis invicta nest is increased, the social sexual behavior is interfered, the group adaptability is reduced, and the effect of controlling solenopsis invicta is achieved. The invention provides a theoretical basis for developing a preparation for preventing and controlling the solenopsis invicta by taking the SiOBP7 gene / protein as a target, and has important significance on green prevention and control of the solenopsis invicta.

The invention discloses an application of 3-decanone in repelling red imported fire ants. According to the method, the chemical substance 3-decanone separated from the bootstrap abdominal ant is used for repelling the solenopsis invicta. Experimental results show that after 3-decanone with the concentration of 10 microliters / mL or above is treated for 1.5 h, the repelling rate of solenopsis invicta reaches 86% or above; and after 12 hours of treatment, a relatively high repelling effect can still be maintained. The 1, 3-decanone has a good repelling effect on solenopsis invicta, can keep certain repelling activity after a long time, is an efficient and environment-friendly compound, and can be used as a solenopsis invicta repellent in the future.

The utility model relates to red imported fire ant killing equipment which comprises an air pipe and a sealing cover, the air pipe is provided with a first end and a second end, the first end is a tip, the sealing cover is rotatably connected between the first end and the second end of the air pipe, an air inlet is formed in the air pipe between the second end and the sealing cover, and an air outlet is formed in the air pipe between the sealing cover and the first end. An air guide channel is formed in the air pipe to communicate the air inlet with the air outlet. The air pipe can be connected with a smoke sprayer and used for conveying smoke from the second end of the air pipe to the first end of the air pipe, the smoke acts on the solenopsis invicta, and the smoke killing process of the solenopsis invicta is carried out. And the sealing cover can seal the disinfection smoke in the sealing cover, so that the disinfection smoke enters the ant nest as much as possible, and smoke dispersion is avoided. According to the red imported fire ant killing equipment, the utilization rate of smoke can be increased, it is ensured that the smoke can enter an ant nest to cover the ant nest in a large area, and the equipment is light in structure, easy and convenient to operate outdoors.

This invention discloses the application of benzyl benzoate in the preparation of repellents for red imported fire ants. Experiments verified that after treatment with benzyl benzoate at a concentration of 1 μL / mL or higher for 0.5 h, the feeding and repellency rate of red imported fire ant workers reached 92.74%. After 12 h of treatment, benzyl benzoate at a concentration of 10 μL / mL or higher still maintained a good repellent effect, indicating that benzyl benzoate has a long-lasting repellent activity against red imported fire ants. After treatment with benzyl benzoate at a concentration of 50 μL / mL or higher for 24 h, the burrowing behavior of red imported fire ant workers was significantly reduced. Benzyl benzoate at a concentration of 10 μL / mL or higher showed good repellent effects against red imported fire ants and can be used in future red imported fire ant protective agents; benzyl benzoate at a concentration of 50 μL / mL or higher can be used in red imported fire ant soil repellents.

The embodiment of the invention provides a solenopsis invicta medicament biological assay device and an application method, and belongs to the technical field of insect prevention and control. The device comprises a bioassay bottle body, a first supporting rod, a hole cover and a bottle cap, a bottle opening is formed in the top face of the bioassay bottle body, the bottle cap is matched with the bottle opening and detachably connected with the bottle opening, the bottom face of the bottle cap is used for smearing a solenopsis invicta bioassay medicament, a through hole is formed in the bottom face of the bioassay bottle body, and the bottom face of the bioassay bottle body is provided with a second supporting rod. The first supporting rod penetrates through the through hole, the top end of the first supporting rod is fixedly connected with the hole cover, the top end of the first supporting rod is used for being supported on the bottle cap through the hole cover, the bottom end of the first supporting rod is used for being inserted into a solenopsis invicta nest, and the hole cover is matched with the through hole. The invention aims to improve the accuracy and efficiency of solenopsis invicta bioassay.