21 results about "Fly larvae" patented technology

The present invention discloses a fly larvae killer. The fly larvae killer comprises the following substances by weight percentage: 5-10% of S-methoprene, 5-10% of Bacillus, and the remainder of auxiliary materials; wherein the Bacillus includes Bacillus subtilis and Bacillus licheniformis, and the total effective viable count thereof is ≥2×10 10 CFU / g. This fly larvae killer has a clear effect, is easy to use, leaves no residue in the animal body, does not produce harmful metabolites, is green and environmentally friendly, and is of great significance to improving the ecological environment of farms.

The application discloses a kind of fruit fly larva tumbling movement modeling and optimization method based on material point method.For the collaborative design challenge of larva tumbling movement model and the problem that traditional method relies on manual measurement data and training time-consuming, a neuro-mechanical model is designed combined with the biological characteristics of fruit fly larvae, and an artificial neural network based on deep learning is constructed as a model controller for training, and a hyperparameter optimization method based on TPE algorithm is designed.The above method is embedded into the differentiable programming framework, realizing the high integration and efficiency optimization of the method.The method can effectively simulate the tumbling movement behavior of fruit fly larvae and optimize it under limited computing resources.The soft body model with the biological characteristics of fruit fly larvae has the advantages of flexible movement and adaptation to complex environment.The application explores the optimal control strategy of fruit fly larvae tumbling process, simulates its interaction with complex environment, and provides an important reference for the design of fruit fly larvae-like soft robot in reality.

The present application belongs to the field of black soldier fly breeding, and particularly relates to a method for regulating water fly conversion efficiency based on base material heat storage performance. The present application determines the environmental factors that significantly affect the base material heat storage and temperature rise, and establishes a model for regulating the heat storage performance of fly larvae conversion base material. Through simulation of various working conditions, the regulation strategy of base material heat storage performance under the optimal conversion efficiency of producing commodity water fly larvae, producing breeding pupae and waste reduction is explored, which solves the problem of low target efficiency and unstable operation of the fly larvae conversion system caused by the unregulated base material temperature, establishes a base material temperature regulation scheme that takes into account the optimal conversion efficiency, ensures the year-round high efficiency and stability of the fly larvae conversion system, and is conducive to improving the overall treatment level of organic waste, and has an important promoting effect on the scientific and efficient breeding of black soldier fly.

The invention discloses a method for controlling flies by using an insecticide, the insecticide is sprayed outdoors, the insecticide comprises pyriproxyfen, deltamethrin, an auxiliary agent and other excipients, the insecticide is prepared into a suspending agent, the weight ratio of the pyriproxyfen to the deltamethrin is 7: 3, the spraying amount is 0.5 L / m < 2 >-5L / m < 2 >, and the outdoors can be a farm, a wasteyard and a fly breeding place. The fly control method can effectively inhibit eclosion of houseflies, and has a good lethal effect on sanitary pests such as fly larvae and mosquitoes.

The utility model provides a kind of convenient egg taking device of real fly, comprising: attractant containing cup and oviposition needle insertion cup, attractant containing cup and oviposition needle insertion cup are connected by thread, the oviposition needle insertion cup is installed in the upper of attractant containing cup, the oviposition needle insertion cup surface is evenly provided with needle hole with 0.1-1mm diameter. The device is simple in structure, reasonable in design, easy to assemble and use, can quickly and conveniently collect the egg particles of Bactrocera dorsalis and Bactrocera cucurbitae, and the size of oviposition hole limits the oviposition of fruit fly, avoids the phenomenon that different kinds of fly larvae will appear when collecting larvae in rotten melon and rotten fruit in field, and the application scenario is wide.

The utility model provides a fly larva breeding system, and belongs to the technical field of fly breeding. The problems that an existing fly larva breeding mode is low in automation degree and breeding efficiency, and large-scale production is difficult to achieve are solved. The fly larva breeding system comprises a conveying and transferring device, a material pouring station, a cleaning station and a breeding conveying line connected end to end, a plurality of containing discs are sequentially arranged on the breeding conveying line in the conveying direction of the breeding conveying line, and the breeding conveying line can sequentially convey the containing discs to the material pouring station, the cleaning station and the conveying and transferring device. The material pouring station is used for pouring out materials in the containing discs, the cleaning station is used for cleaning the containing discs, and the conveying and transferring device can move out the containing discs on the breeding conveying line and supplement new containing discs. Automation of the breeding process is achieved, manual intervention is greatly reduced, and the automation degree is high.

The present disclosure belongs to the technical field of excrement treatment, and specifically provides a method for resource utilization of pig manure mixed with fly larvae and fly ash, comprising: S1, feeding pig manure mixed with fly larvae and fly ash in a circulating fluidized bed; S2, periodically measuring the length and weight gain of the larvae, and measuring the crude protein, crude fat, waste reduction rate and intestinal microbiome of the larvae after the conversion is completed; S3, determining the appropriate addition ratio of the fly ash in the circulating fluidized bed according to the measured indexes. The fly larvae reduce the mixture of pig manure and fly ash, and the worm manure produced not only meets the requirements of organic fertilizer for organic matter, nitrogen, phosphorus and potassium nutrients, but also is rich in silicon elements which may promote rice growth. After the fly ash enters the worm intestine, it undergoes a strong acid digestion link, so that the fly ash experiences a similar acid modification process, and the strong acid corrosion causes micropores to appear on the surface of the fly ash particles, which may play an important role in soil structure and fertility.

The present invention provides a culture medium for in vitro culturing Exorista sorbillans Wiedemann and a culturing method thereof. The culture medium includes a liquid culture medium and sterile absorbent cotton. The liquid culture medium is a mixed solution of skim milk, sucrose, yeast extract, egg yolk, silkworm hemolymph, and gentamicin sulfate. The culturing method of the present invention mainly includes attracting Exorista sorbillans Wiedemann to lay eggs with live insects at a certain temperature, and culturing Exorista sorbillans Wiedemann larvae in vitro with an optimized artificial culture medium. The present invention uses live insects to collect a large number of Exorista sorbillans Wiedemann eggs, overcoming the problem of difficult acquisition of fly eggs under the condition of no host. At the same time, adding silkworm hemolymph at a specific period to the in vitro culture medium significantly reduces the development time of maggots and improves the adult fly rate of Exorista sorbillans Wiedemann. The parasitic effect of the in vitro cultured tachinid fly obtained by the present invention has no obvious difference from that of the adult fly parasitized in the host. The above materials are widely available, with low costs, and the operation is simple and feasible, and the whole-year culturing and subculture of Exorista sorbillans Wiedemann can be completely realized.

The invention relates to the technical field of ganoderma lucidum cultivation, in particular to a two-stage prevention and control method for new insect pest white-head fruit flies of under-forest ganoderma lucidum. The method comprises the following steps: a, larva control: spraying suspension containing entomopathogenic nematodes on the surfaces of ganoderma lucidum sporocarp and soil from the beginning of a ganoderma lucidum umbrella opening period to the early stage of powder spraying, so that the entomopathogenic nematode suspension infects white fruit fly larvae on the ganoderma lucidum sporocarp, and the white fruit fly larvae are prevented and controlled; and b, controlling adults: from mid-to-late April to late July, hanging an insect trapping sticky plate containing pheromone on a trunk above a ganoderma lucidum sporocarp to trap and kill the adults so as to reduce the insect population density of the forest land. The method overcomes the defects that chemical pesticides cause pesticide residues of ganoderma lucidum products and are not friendly to the ecological environment, the yield and quality of ganoderma lucidum are improved, the production cost is reduced, and the planting benefit of ganoderma lucidum under the forest is improved.

The invention provides a fruit fly larva collecting device and a using method, and belongs to the technical field of biology. The problems that in the prior art, damage to larvae is large, operation is tedious and time-consuming, and separation of the larvae and feed is not thorough are solved. The device comprises a filtering section and a culture dish, a plurality of filtering openings are formed in the bottom of the arc-shaped filtering section in parallel, one end of the filtering section is connected with the culture dish, and a baffle is arranged at the other end; the left opening end of the culture dish is connected with the filtering section, and the right side of the culture dish is provided with a collecting opening. According to the invention, the problem of larva damage caused by picking and metal gauze filtration is solved, the fruit fly larva is milder, and the damage is greatly reduced; meanwhile, the defect that a traditional picking mode wastes time is overcome, operation is more convenient, time is saved, larvae and feed are separated more sufficiently in the operation process, additional complex clamping steps are not needed, and the problems that feed residues exist, and clamping is still needed after centrifugation are effectively solved.

The utility model provides a fly larva hatching and breeding system, and belongs to the technical field of fly breeding. The problems that an existing fly larva hatching and breeding mode is low in automation degree and breeding efficiency, and large-scale production is difficult to achieve are solved. The fly larva hatching and breeding system comprises a fly breeding room, a breeding room and a conveying and transferring device, egg receiving conveying lines connected end to end are arranged in the fly breeding room, breeding conveying lines connected end to end are arranged in the breeding room, and containing discs are arranged on the egg receiving conveying lines and the breeding conveying lines. The number of the containing discs on the breeding conveying line is larger than that of the containing discs on the egg receiving conveying line, the egg receiving conveying line and the breeding conveying line can convey the respective containing discs to the conveying and transferring device, and the conveying and transferring device comprises a first mechanical arm and a second mechanical arm which can move between the egg receiving conveying line and the breeding conveying line in a reciprocating mode. According to the utility model, the automation degree and the breeding efficiency of the fly larva hatching and breeding system can be improved.

The application discloses a medicine injection method for killing camel head fly larvae parasitizing in the nasal cavity of a bactrian camel. A pair of non-bony structures similar to a triangle and the size of a thumb are arranged at the joint of nasal bone, maxillary bone and frontal bone. The pair of non-bony structures are at the same horizontal level with the eye socket of the bactrian camel, are located at the intersection of the inner corner of the eye and the upper edge of the eye socket, and are away from the eye socket by 4-5 cm. After a syringe is vertically inserted into 2-3 cm at the site, the needle of the syringe can reach the medial part of the concha nasalis. After the site is inserted into 2.5-3 cm in the clockwise direction and is inclined by 45 degrees, the needle can reach the lateral part of the concha nasalis. The medicine injection method can directly inject the insect killing medicine to the parasitizing position of the first instar larvae, and the purpose of killing the first instar larvae is achieved. The medicine injection method provides a new method for killing the first instar larvae in the overwintering period, and can reduce the economic loss of the camel raising industry caused by the nasal fly maggot disease.

The invention belongs to the field of fly maggot breeding, and provides a method for integrally breeding fly maggots by using pig manure in Tibet, which comprises the following sequential steps: hatching period: placing red-head fly pupae in a constant-temperature and constant-humidity environment for eclosion, controlling the environment temperature to be 25-30 DEG C and the relative humidity to be 50-70%, and immediately providing feed and clean drinking water after the pupae are subjected to eclosion into adult flies; by constructing a pig manure-fly maggot-protein feed-organic fertilizer integrated breeding mode, the double problems that in Tibetan pig breeding in the Tibetan alpine region, the manure treatment cost is high, transportation is difficult, the resource utilization rate is low, and protein feed depends on outsourcing for a long time are effectively solved; and in combination with self-circulation maintenance of red-head fly populations introduced in Sichuan, the egg laying rate and egg hatching rate of adult flies are increased, and the inhibition effect of plateau low-temperature oxygen-deficient environment on fly maggot growth is overcome.

The present invention relates to the technical field of fly farming, and provides a fly larvae hatching and farming system, which solves the problem that existing fly larvae hatching and farming methods have low levels of automation and low farming efficiency and consequently large-scale production is difficult to achieve. The fly larvae hatching and farming system comprises a stock fly chamber, a farming chamber, and a conveying and transfer device; an egg collection conveyor line connected end to end is provided in the stock fly chamber; a farming conveyor line connected end to end is provided in the farming chamber; the egg collection conveyor line and the farming conveyor line are both provided with holding trays; the number of the holding trays on the farming conveyor line is greater than the number of the holding trays on the egg collection conveyor line; both the egg collection conveyor line and the farming conveyor line can convey the respective holding trays to the conveying and transfer device; and the conveying and transfer device comprises a first manipulator and a second manipulator which can perform reciprocating motion between the egg collection conveyor line and the farming conveyor line. The present invention can improve the level of automation and farming efficiency of the fly larvae hatching and farming system.

U I T T R E K S E L Disclosed are a method and system for classifying species of necrophagous fly larvae, which can effectively overcome the problems of changeable image size and obvious noise interference in practical application, and enhance the perception ability of a model to different resolution and scale features through multiscale standardization processing and feature fusion mechanism. The introduced dual—branch feature extraction structure and a channelspatial attention mechanism can collaboratively capture local detailed features and global context information of larvae posterior surfaces, and. adaptively weight and. highlight feature regions that contribute the most to classification, significantly improving the representativeness of feature expression and discriminant power. The weighted cross—entropy loss function and label smoothing technology used effectively alleviate a model deviation that may be caused by the imbalance of category samples, improve the generalization performance and classification robustness of the model, and finally realize high—precision and high-efficiency automated classification and identification of fly larvae species. (+ Fig. l)

The invention relates to a method for producing nesidiocoris tenuis, which is characterized in that under the conditions that the temperature is 18-35 DEG C and the humidity is 60-90% RH, vigna unguiculata is independently utilized to produce the nesidiocoris tenuis, or the vigna unguiculata is combined with carpoglyphus lactis and fruit fly larvae to produce the nesidiocoris tenuis. The invention proposes for the first time, and unexpectedly finds that the expanding propagation production of the nesidiocoris tenuis can be realized by independently utilizing the vigna unguiculata, and the population of the nesidiocoris tenuis can be continuously increased; if carpoglyphus lactis is added in the feeding process, the feeding effect of the drosophila larvae is better. According to the method, a brand new scheme can be provided for the production of the nesidiocoris tenuis, lepidoptera eggs are used for producing the nesidiocoris tenuis to lay eggs in the early stage, no other food is added in the later stage, the vigna unguiculata with the eggs are used for producing the nesidiocoris tenuis, and the production cost can be remarkably reduced.

The utility model provides a pupa releasing line of a fly larva hatching and breeding system, and belongs to the technical field of fly larva hatching. The problem that an existing breeding fly breeding facility is low in pupa releasing efficiency is solved. The breeding system comprises a fly planting room and a fly supplementing room which are adjacently arranged, a pupa placing line comprises an annular conveying belt, a pupa placing disc is movably arranged on the conveying belt, part of the conveying belt is located in the fly planting room, the other part of the conveying belt is located in the fly supplementing room, and the conveying belt located in the fly planting room is arranged along the inner side wall of a wall body of the fly planting room. The pupa releasing line of the fly larva hatching and breeding system has the advantage that the efficiency of releasing pupae into the fly breeding room is high.

The present invention provides compositions and methods for inducing suspended animation in neonate larvae of beneficial fly, particularly larvae of the Black soldier fly. During the suspended animation, the larvae show extended shelf-life and improved shipment durability. The suspended animation is reversible, and upon exposure to standard rearing conditions the larvae reach comparable maturity to corresponding non-suspended larvae.

This invention discloses a method for raising *Spodoptera litura* (side-necked bugs). Instead of *Spodoptera litura*, it uses artificially fed larvae such as mealworms, rice moth larvae, citrus fruit fly larvae, and beet armyworm larvae. Sufficient feed ensures a good food source for the bugs, and the availability of feed is higher than that of fresh leaves, effectively avoiding the risk of virus transmission from fresh leaves. The feeding process is also simpler and easier to operate. The bugs are fed a nutrient solution in conjunction with the feed. Using honey water, glucose, and mixed juice in the nutrient solution as attractants can induce feeding. Amino acid powder can provide sufficient nutrients for the side bug, resulting in a high survival rate and large egg production, which is beneficial for the large-scale propagation of the side bug. Feeding the side bug with a mixture of mealworm, rice moth larvae, citrus fruit fly larvae, and beet armyworm larvae can provide more comprehensive nutrition, shorten the development period, increase the survival rate of each developmental stage, and extend the survival time of adults, which can effectively increase the egg production of the side bug.

The utility model provides a production line of a fly larva hatching and breeding system, and belongs to the technical field of fly larva hatching and breeding. The problem that an existing breeding fly breeding facility is low in pupa releasing efficiency is solved. The breeding system comprises a fly breeding room, the production line comprises a first annular conveying belt, a second annular conveying belt, a third annular conveying belt and a fourth annular conveying belt, a water adding disc is arranged on the first conveying belt, a feeding disc is movably arranged on the second conveying belt, and an egg receiving disc is movably arranged on the third conveying belt. A pupa placing tray is movably arranged on the fourth conveying belt, and the first conveying belt, the second conveying belt, the third conveying belt and the fourth conveying belt are all arranged along the inner side wall of the fly planting room wall. The production line of the fly larva hatching and breeding system has the advantages that the efficiency of putting pupae into the fly breeding room is improved, and the yield of eggs is increased.

This utility model provides a pelleting device for fly larvae biological feed, belonging to the technical field of pelleting devices. It includes a base, a support fixedly connected to the surface of the base, a vertical plate fixedly connected to the surface of the support, a material bin fixedly connected to the surface of the vertical plate, and a hydraulic cylinder fixedly connected to the surface of the support. This utility model incorporates a cylinder, a connecting plate, a moving plate, a fixed frame, a cutting plate, and a scraper. The cylinder drives the connecting plate and the moving plate to first layer the material bin. Then, the raw material is fed into the hydraulic cylinder, which pushes the extrusion plate to extrude the raw material, squeezing out excess moisture and reducing the difficulty of forming and adhesion during subsequent extrusion molding. A motor B drives the scraper to remove surface residue from the cutting plate, effectively reducing pellet adhesion and facilitating subsequent cleaning.