410 results about "Instar" patented technology

The invention discloses a cordyceps sinensis intelligent bionic cultivation control system and method based on the Internet of Things, and the method comprises the steps: collecting the temperature and humidity, gas concentration, illumination intensity and larva behavior data of a cordyceps sinensis matrix through a sensor network, and carrying out the fusion through an edge calculation gateway, and generating a dynamic environment map; constructing a plateau ecological digital twinborn model based on the dynamic environment map in combination with historical meteorological data and a host-strain interaction rule, and generating a staged control time sequence; based on a staged control time sequence, temperature and humidity coupling compensation is carried out through a feedforward-feedback composite algorithm, and actuator linkage is adjusted through fuzzy PID; aI vision is used for identifying a larva infection window period and accurate spraying is carried out, and hypha infection is monitored in combination with a near infrared spectrum to dynamically adjust the CO2 concentration; and constructing an LSTM (Long Short Term Memory) model to predict the growth risk in combination with a dynamic environment map and insect body monitoring data, and actively intervening in an abnormal environment. According to the invention, high-precision, dynamic and intelligent regulation and control of the growth environment of cordyceps sinensis are realized.

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.

The invention belongs to the field of microbial natural product pesticides, and particularly discloses a polyketone compound as well as a preparation method and application thereof. The compound disclosed by the invention is prepared from a fermentation crude extract of a strain of tobacco endophytic fungus Aspergillus japonicus TE-739D, and the compound disclosed by the invention is prepared from the fermentation crude extract of the tobacco endophytic fungus Aspergillus japonicus TE-739D. The chemical structure of the compound is identified through a modern spectroscopy technology, such as a high resolution mass spectrum HRESIMS and a superconducting nuclear magnetic resonance spectrum NMR, and the compound is named as japonidiene C. The invention further discloses a preparation method of the compound. The polyketone compound japondiene C has an obvious insecticidal activity on 2-instar larvae of spodoptera frugiperda, and can be used for preventing and treating the second instar larvae of the spodoptera frugiperda.

The invention discloses a chilo suppressalis indoor artificial feeding feed and a feeding and reproduction method, and relates to the technical field of insect feeding. By optimizing the proportion of the indoor artificial breeding feed for the chilo suppressalis and the breeding method, the method has the following technical effects that (1) the survival rate of larvae within 15 days reaches 100%, and the survival rate of the larvae is increased; (2) the optimized feed formula can meet the nutritional requirements of larvae in each stage, the taste is good, the feed attraction is strong, and the synchronous development is promoted; (3) the breeding efficiency is improved; (4) the disease and pest risk is reduced, and the disease occurrence rate is lower than 5%; and (5) ensuring the quality of the insect source: the obtained chilo suppressalis insect source is consistent in physiological state and neat in development, the insect body conversion rate reaches 69.6%, and the insect use requirements of large-scale experiments are met.

The invention relates to the technical field of insect grease extraction, and discloses a method for extracting hermetia illucens grease through hot pressing. The method comprises the following steps: (1) cooking hermetia illucens larvae in hot water at 40-75 DEG C for 5-15 minutes, and cleaning to obtain a larva material I; (2) drying the larvae I at the temperature of 60 to 80 DEG C, so as to obtain a larva material II with the water content of 55.0 to 67.5 weight percent; (3) mechanically squeezing the larva material II at the temperature of 80-100 DEG C to obtain slurry; and (4) centrifugally separating the slurry into an oil phase, a water phase and a solid phase, and recovering the oil phase to obtain the hermetia illucens grease. The method provided by the invention can significantly improve the yield and quality of the hermetia illucens grease extracted by hot pressing, and can effectively solve the problems of low high-valued utilization rate and low grease extraction efficiency of large hermetia illucens breeding factories.

The application discloses a kind of cydia pomella larva's food lure composition and application thereof.It includes the following weight parts of component: isoquercitrin 0.02~0.07 parts, phlorizin 0.6~0.9 parts, cyanidin-3-O-galactoside 0.01~0.02 parts, delphinidin-3-O-galactose 0.05~0.12 parts.The food lure component provided in the application has low dosage and low price, can improve the behavior regulation effect of lure core on larvae, reduce the production cost, and is suitable for popularization and promotion.

The invention belongs to the field of fall webworm control, and provides a fall webworm control dual-trapping and parasitic wasp releasing multifunctional device which comprises a funnel, a groove is formed in the side wall of the funnel and concaves inwards, a plurality of evenly-distributed leakage holes are formed in the side wall of the groove, and a mounting plate is fixedly mounted on the peripheral side face of the funnel. A collecting barrel is movably mounted on the lower side of the mounting plate, the funnel is communicated with the interior of the collecting barrel, and a small bee cocoon placer is movably mounted on the lower side of the collecting barrel; the device is upgraded on the basis of an original fall webworm square trap, a novel Chouioia cunea cocoon placing device is specifically transformed on the lower half part, external wind and rain invasion is blocked, damage to Chouioia cunea cocoons is relieved, the bee output rate of Chouioia cunea is increased, operation is simpler and more convenient, and the device is suitable for popularization and application. According to the upper half part, a square-barrel-shaped trap is modified, a solar LED lamp and sex pheromone are combined for trapping, cost is reduced, and larvae, pupae and adults of the white moths can be prevented and controlled in all stages.

The artificial feeding device comprises a breeding mechanism and a humidifying mechanism, the breeding mechanism comprises a breeding container, a water seepage hole is formed in the center of the bottom of the breeding container, a filter screen is arranged at the bottom of the breeding container, and a sandy soil layer is arranged on the upper side of the filter screen; the humidifying mechanism comprises a humidifying container, the lower portion of the breeding container is placed in the humidifying container, and a plurality of water is added to the inner bottom of the humidifying container. The artificial feeding device for the pteropsidae larvae is used for artificial feeding of the pteropsidae larvae, staged isolated breeding can be conveniently carried out according to the growth cycle of the pteropsidae larvae, the breeding environment can be controlled, sandy soil can be conveniently replaced in good time, the insect growth environment is protected, and the artificial feeding survival rate of the pteropsidae larvae is increased; the whole growth process of the larvae is conveniently observed, and the species of the larvae are accurately determined.

The utility model belongs to the technical field of mosquito breeding, and discloses an automatic adult mosquito collecting and breeding box which comprises a larva breeding box, a one-way channel and an adult mosquito collecting box, the larva breeding box is connected with the adult mosquito collecting box through the one-way channel, the larva breeding box comprises a breeding frame, a plurality of layers of breeding trays are placed on the breeding frame, and the breeding trays are arranged on the breeding frame. An over-limit water guide opening is formed in the feeding plate, a drainage groove is formed in the position, corresponding to the over-limit water guide opening, of the feeding frame, the larva feeding box can automatically supply water and feed, the feeding environment is guaranteed, larva feeding is facilitated, the feeding plate can be completely pulled out, cleaning is facilitated, and the larva feeding box can be used conveniently; the funnel-shaped net cylinder in the outer-layer net cylinder can enable adult mosquitoes to fly into the adult mosquito collecting box in a one-way mode, a shading plate is arranged, and the adult mosquitoes are promoted to rapidly leave the larva feeding box and enter the adult mosquito collecting box through the phototaxis of the adult mosquitoes.

The invention belongs to the technical field of artificial cultivation of cordyceps sinensis, and particularly relates to a method for rapidly propagating and culturing cordyceps sinensis based on cordyceps sinensis infection bodies, which comprises the following steps: (1) inoculating cordyceps sinensis into a cordyceps sinensis culture solution for culturing to obtain a cordyceps sinensis infection body culture solution; the cordyceps sinensis is a cordyceps sinensis thallus separated from infected hepialus armoricanus larva or a cordyceps sinensis solid culture which has produced conidia; and (2) mixing the winter worm summer fungus infection body culture solution with the hepialus armoricanus larva feed, feeding the hepialus armoricanus larvae, and carrying out grass emergence culture after the hepialus armoricanus larvae are fed to be rigid. According to the method, the rapid propagation culture infection body is high in concentration (can reach 3.3 * 10 < 7 > / mL), short in period (about 40 days) and high in infection rate (not lower than 80%), a large number of cordyceps sinensis infection bodies can be obtained in a short time, the cordyceps sinensis infection bodies are used for infecting cordyceps sinensis hosts to obtain cordyceps sinensis, and the problems that the source of artificially matched and planted cordyceps sinensis strains is unstable, and strain preparations are difficult to store for a long time can be solved.

The invention discloses application of cordyceps javanica Bd01 and a dispersible oil suspending agent thereof to prevention and control of spodoptera frugiperda, and relates to the technical field of biology. The research finds that the cordyceps javanica Bd01 has a strong infection lethal effect on larvae of spodoptera frugiperda at all ages, the pupation rate and eclosion rate of the larvae can be remarkably reduced, and the breeding cycle of pests can be effectively blocked. The invention further develops a dispersible oil suspending agent, and the suspending rate is effectively improved through formula optimization. The dosage form takes soybean oil as a dispersion medium, does not contain harmful solvents such as methylbenzene, is free of dust pollution and is friendly to operators and the environment, and ascorbic acid is added to improve the ultraviolet resistance of spores and prolong the effective period of the pesticide effect. In addition, the preparation also has a certain control effect on caffeinidae, is wide in application scene, provides a new scheme for green control of spodoptera frugiperda, solves the problems of chemical pesticide resistance and residue, and accords with the development requirements of green agriculture.

The artificial breeding and island plant pollination method comprises the following steps: artificial breeding of aphids: broad bean seedlings are planted in an insect breeding cage to propagate black bean aphids, so that adults of the hoverflies can lay fly eggs, and larvae of the hoverflies can eat the fly eggs at the same time; feeding of hoverfly larvae: feeding the hoverfly larvae with black bean aphids in an insect breeding cage, and enabling the hoverfly larvae to develop into pupae after 6 days; collecting pupae of hoverflies with short thorn legs: harvesting broad bean seedlings with mature larvae of hoverflies, putting the broad bean seedlings into a plastic box with a gauze opening for continuous feeding, and putting the collected pupae of hoverflies into a culture dish until all the larvae in the plastic box pupate; and transporting and releasing the short-spur hoverflies, namely storing pupae of the hoverflies in a pupa card device at the temperature of 4 DEG C, transporting the pupae to an open sea island, and releasing the pupae. By the adoption of the method, scale breeding can be conducted on the species of the hoverfly brachypoda, and the hoverfly brachypoda can be transported to the island area and used for pollination of island plants.

The invention belongs to the field of microorganisms, and particularly discloses Aspergillus nomiae for preventing and controlling spodoptera frugiperda. The technical problem to be solved by the invention is how to prevent noctuid insects from harming plants. The invention provides aspergillus for preventing and treating noctuid insects from harming plants, the aspergillus is Aspergillus nomiae WNAN1, and the preservation number of the aspergillus nomiae is CGMCC (China General Microbiological Culture Collection Center) No.41741. The invention further provides a preparation method of the aspergillus nomiae. Experiments prove that the aspergillus has a relatively high fatality rate on third-instar larvae of the spodoptera frugiperda, and can be used for preventing and controlling the spodoptera frugiperda.

To solve problems for example, since flying insects fluttering freely, so flying insects may flutter into an external space when opening a lid or a door carelessly, so that, feeding flying insects has to be performed carefully.SOLUTION: A device for breeding insects and larvae of insects has: a breeding container for partitioning an internal space in which insects are bred and an external space; a feeding hole provided on a part of the breeding container; and a feeding unit provided to contact the feeding hole from the outside of the breeding container. The breeding container has a feeding part protruded to the internal space, and the feeding hole may be provided on the feeding part. The breeding container has the feeding part protruded outward from the internal space, and the feeding hole may be provided on the feeding part. The breeding container has a floor surface, wall surfaces, and a ceiling surface, and the feeding part is provided on any one of the floor surface, the wall surfaces and the ceiling surface. For example, the breeding container has at least the floor surface, and the feeding hole may be provided on the floor surface.SELECTED DRAWING: Figure 1

The invention discloses an RNA (Ribonucleic Acid) interference method for parasitic wasps in lepidoptera larvae, which is characterized in that RNA interference is carried out by using a microinjection method or a nano-material immersion method when the parasitic wasps in the lepidoptera larvae are not separated from hosts or are separated from the hosts to cocoon, so that an RNAi system of the parasitic wasps is successfully constructed, and the defects that the parasitic wasps are small in size in an egg stage, and the parasitic wasps are not damaged in the egg stage can be effectively overcome. And RNAi operation difficulty caused by cocoon wrapping in the pupal stage and short life in the adult stage is avoided. Moreover, the method disclosed by the invention is simple to operate and high in interference efficiency, provides a theoretical basis and a reference effect for further researching gene functions of the parasitic wasps, and has important significance on biological control.

The invention relates to the technical field of biological identification, in particular to a method for quantifying the quality of wasp larvae and bee pupae, and mainly aims to solve the problem that the artificial wasp breeding industry lacks objective quality judgment standards. The method comprises the following steps: freezing a wasp honeycomb so as to conveniently take down larvae and bee pupae, weighing, drying, grinding and the like on a sample, measuring the content of aspartic acid and glutamic acid by utilizing an amino acid analyzer, performing comprehensive calculation by combining indexes such as individual weight and the like, and finally determining the content of aspartic acid and glutamic acid according to a plurality of character values. The quality is judged according to the average content and the total weight of glutamic acid and aspartic acid and the excrement residue condition. The method can effectively distinguish quality differences of wasps of different insect states and species, provides a fair basis for market transactions, promotes sustainable development of the wasp breeding industry, and the effectiveness of the method is verified by specific embodiments.

One example insect release device includes a vessel defining a volume, the vessel has first and second surfaces substantially opposite each other, the first surface defining an opening into the volume; a population of insect larvae or pupae or adult insects within the volume; and a seal positioned to obstruct the opening and adhered to the first surface. Another example insect release device includes a vessel defining a volume; a population of insect larvae or pupae or adult insects disposed within the volume; wherein the vessel is permanently sealed, and wherein release of the insect larvae or pupae or adult insects occurs upon rupture of the vessel. A further example insect release device includes a vessel defining a volume; a population of insects disposed within the volume; and a gimbal mechanism coupled to the vessel, the gimbal configured to maintain a substantially constant orientation of the vessel.

The utility model discloses a device for ground beeltle hatching, and relates to the field of ground beeltle hatching, the device comprises a hatching box, one side of the hatching box is fixedly connected with a positioning rod, the outer wall of the positioning rod is fixedly connected with a controller, the inner wall of the hatching box is fixedly connected with a fixing rod, the outer wall of the fixing rod is fixedly connected with a heater, and the heater is fixedly connected with the hatching box. The inner wall of the incubator is provided with a transparent plate, and the inner wall of the incubator is fixedly connected with a limiting rod. According to the soil turning device, the motor is arranged to clamp and fix the turning frame, when the soil turning device is used, soil can be accurately and uniformly turned through the arrangement of the motor and the turning frame, the labor intensity of workers is greatly reduced, and the problem that the soil turning effect is uneven due to manual operation is also solved; by arranging the ground beetle egg mass box, the anti-escape frame is clamped and fixed, when the device is used, larvae are effectively prevented from escaping after shell breaking through the arrangement of the ground beetle egg mass box and the anti-escape frame, and the practicability of the device is improved.

The utility model relates to a full-automatic separation system for wet materials containing live insects. The full-automatic separation system comprises a tiled feeding device and a live insect separation device, the tiling and feeding device comprises a stock bin, a material distributing and conveying belt, a first frame and a dispersing and tiling mechanism. The live insect separating device comprises a heat preservation cover, a steel wire mesh belt, a second frame and a larva avoiding mechanism, and the discharging end of the distributing conveying belt is connected with the feeding end of the steel wire mesh belt. Wet materials are uniformly spread into a thin layer through the dispersing and spreading mechanism, so that the hiding of live insects caused by material accumulation is avoided, and the exposure rate of the live insects is obviously improved; through seamless connection of the material distribution conveying belt and the steel wire mesh belt, full-process automation of'tiling, separation and collection 'is formed, manual intervention is reduced, and the treatment efficiency is improved; the steel wire mesh belt intercepts wet materials, the insect receiving conveying belt collects live insects, physical separation of the live insects and the materials is achieved, and the separation efficiency is high.

The present invention relates to the fields of biotechnology and pest control, and discloses an ebony gene, dsRNA application, and preparation method for regulating the body color and adult eclosion of a gray tea geometrid. The ebony gene for gray tea geometrid is first cloned and sequenced to obtain the nucleotide sequence of the ebony gene for gray tea geometrid, as shown in SEQ ID NO: 1. A gene fragment with the sequence of SEQ ID NO: 3 is then obtained, and dsRNA is synthesized from the fragment. After the synthesized dsRNA is introduced into the body cavity of gray tea geometrid larvae, the body color of the larvae and pupae becomes black, the pupal shell becomes harder, and the adults cannot eclode normally, resulting in their complete death. The gray tea geometrid ebony gene screened and obtained by the present invention can be used as an important molecular target for insect control, providing a new approach for the development of safe, efficient, and environmentally friendly pest control methods.

This invention provides a device for hatching and rearing soybean hawk moth eggs and larvae. Specifically, the device includes a hatching cage base, an egg distribution plate above the hatching cage base, larval climbing posts, a larval feeding platform, and a larval feeding chamber. This invention also provides a method for rearing soybean hawk moth larvae using this device.

The invention discloses a method for breeding, separating and purifying nosema bombycis, which comprises the following steps: infecting 2-year-old silkworms for 6-12 hours by using nosema bombycis with the concentration of 1.0 * 10 < 5 > spores / mL to 5.0 * 10 < 5 > spores / mL, feeding the silkworms with clean mulberry leaves until the silkworms fall asleep at 4 years old, and gradually causing pebrine death when the silkworms grow at 5 years old; the method comprises the following steps: grinding dead silkworms to prepare grinding liquid, filtering the grinding liquid, and separating out filtrate enriched with nosema bombycis; centrifuging the filtrate to obtain a precipitate which comprises grey silkworm body tissues on the upper layer and white nosema bombycis on the lower layer, shaking the centrifuge tube by using a shaking table to release the grey silkworm body tissues to supernate, pouring out the supernate, and retaining the white nosema bombycis at the bottom of the centrifuge tube. According to the method, the nosema bombycis is bred, separated and purified according to the growth rules and characteristics of the bombyx mori and the nosema bombycis, a high-quality sample can be efficiently obtained, and the nosema bombycis is high in content and few in impurity.

This invention belongs to the field of agricultural and forestry biotechnology, and relates to a method utilizing... 60 A method to increase the oviposition rate of beet armyworm by Co-γ irradiation was used. Beet armyworm pupae within 12 hours of pupal instar were collected and subjected to effective accumulated temperature treatment. Then, for male beet armyworm pupae, [further methods were employed]. 60 Co-source irradiation treatment; irradiated male beet armyworm pupae and unirradiated female pupae were placed in an incubator to cultivate and emerge as adults. The adults were then transferred to adult rearing cages and supplemented with honey water for nutrition. This invention, through effective accumulated temperature treatment, selects a large number of uniformly developed male beet armyworm pupae as irradiation targets. While ensuring emergence rate and adult lifespan, it significantly increases the egg production of beet armyworms and the yield of test insects. The operation process is simple, safe, and reliable. It provides a large source of production insects for the convenient and rapid use of beet armyworms to produce the biological control agent nucleopolyhedrovirus, and for using the insect as a host to propagate natural enemy parasitic wasps.

The utility model relates to a modularization and expandability protaetia brevitarsis larva breeding device which comprises a breeding box, the upper portion and one side of the breeding box are open, an expansion assembly facilitating expansion of the size of the interior of the breeding box is installed in the breeding box, and the expansion assembly comprises an expansion frame. A mounting assembly facilitating combination of the multiple breeding boxes is mounted on one side of each breeding box. Through the arrangement of the expansion assembly and the installation assembly, the breeding space can be adjusted according to needs, a plurality of breeding boxes can be rapidly assembled vertically or transversely, various combination modes are provided, the breeding device adapts to different breeding space layouts, and the problems that a traditional breeding device is usually of a fixed size, and the size is too large are solved. The problems that the resource utilization rate is low, the breeding efficiency is not high due to the fact that the breeding space cannot be flexibly adjusted according to the number and growth stages of larvae, and the flexibility and large-scale development of breeding production are limited due to the fact that a traditional breeding device is difficult to expand rapidly and conveniently are solved.

The invention relates to a whole-course artificial cultivation method for bamboo borers. The method comprises the steps of female and male egg recognition and screening, artificial incubation, cultivation carrier preparation, larva transplantation, larva cultivation and the like. According to the method, the male and female eggs are accurately distinguished according to the appearances of the eggs, the high-quality female eggs are screened for incubation, and the technical defects of uneven matching of the male and female eggs, low mating rate, poor survival rate and limited yield in the existing natural cultivation are solved by means of controlling the incubation temperature and humidity, optimizing the cultivation carrier and transplanting conditions, artificially regulating the adult mating environment and the like; the survival rate of the bred bamboo borer eggs reaches 90% or above, the stocking survival rate of larvae also reaches 90% or above, the yield is 20 times that of an existing natural breeding technology, operation is easy, the cost is controllable, the method is suitable for large-scale popularization, the win-win situation of ecological protection and economic benefits is achieved, the method has extremely high practical value and market prospects, bamboo cannot be damaged by breeding, and disease and pest spreading is avoided. And economic benefits are achieved on the premise of protecting the natural environment, and the concept of green development is met.

The invention discloses an artificial feed for efficient propagation of low-age larva parasitic wasps of prodenia litura. The artificial feed is prepared from the following raw materials: agar powder, soybean meal, sweet potato vines with leaves, yeast powder, wheat germs, sodium benzoate, vitamin C, multivitamins, linseed oil, chlortetracycline hydrochloride soluble powder and the like. The artificial feed is used for feeding 2-5-year-old prodenia litura larvae parasitized by parasitic wasps, and the pupation rate and eclosion rate of the parasitic wasps can both exceed 93%.

The invention discloses a molecular sequence and a primer for sex identification of grassland caterpillars and application of the molecular sequence and the primer. The nucleotide sequences of the molecular marker are as shown in SEQ ID NO: 1 and SEQ ID NO: 2; wherein a nucleotide sequence as shown in SEQ ID NO: 1 is female, and a nucleotide sequence as shown in SEQ ID NO: 2 is male. The invention also provides a primer group for amplifying the molecular fragment, and the nucleotide sequences of the primer group are shown as SEQ ID NO: 3 and SEQ ID NO: 4. Wherein the size of a strip capable of being amplified by a female individual is 484 bp, and the size of a strip capable of being amplified by a male individual is 199 bp. According to the molecular marker and the primer group provided by the invention, sex identification can be carried out on grassland caterpillars, larvae, incomplete pupae and cocoons with unknown sex, the accuracy is high, the speed is high, and a reliable method is provided for monitoring the field sex ratio of the grassland caterpillars.

The present disclosure provides a container for the breeding of insects, bugs and fungi, comprising an upper side, a lower side, two long sides and two short sides, wherein at least one closable opening arranged in at least one of the two long sides of the container; and at least one air conditioning and venting device attached to at least one of the two front sides of the container. Another object of the present disclosure relates to an assembly of containers comprising at least two of the containers as described above. Another object relates to a system for the breeding of insects, bugs and fungi, comprising at least one container or an assembly as described above; and a plurality of stacked breeding boxes configured for accommodating in the inner part of the container. Another object of the present disclosure relates to a method for the breeding of insects, bugs and fungi, comprising the steps of: providing a container comprising a t least one closable opening arranged in at least one of the two long sides of the container; at least one air conditioning and venting device attached to at least one of the two front sides of the container; opening the at least one door; placing at least one stack stacks of breeding boxes comprising insect larvae, bug nymphae or fungi spores and a nutrition medium inside the container; adjusting temperature and humidity inside the container with the air conditioning and venting device.

The invention discloses a special membrane material for targeted trapping of macrobrachium larvae in water and a preparation method of the special membrane material, and belongs to the field of water environment biological pollution prevention and control. The membrane material is of a multi-layer composite structure and comprises a nanofiber membrane base material layer, an interface adhesion layer and a functional modification layer. The interface adhesion layer is bionic coacervate gel formed by curing hydrophobic polyelectrolyte and phytic acid; the functional modification layer is covalently grafted with a bionic adhesion protein active peptide fragment and a macrobrachium larva chemical pheromone. The material actively attracts larvae to approach through chemical pheromones, high-strength adhesion capture is achieved through bionic peptide fragments rich in aromatic and cationic amino acids, and trapping is integrated. The preparation method comprises the steps of electrostatic spinning of a base material, surface activation, gel coating, functional modification and the like. The material disclosed by the invention has high selectivity and high capture rate on the larvae of the Limnoperna fortunei, is environment-friendly, long-acting and stable, and is suitable for green prevention and treatment of fouling of the larvae of the Limnoperna fortunei in facilities such as water pipelines and pump stations.

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.