68 results about "Tapeworm egg" patented technology

The invention discloses a method for detecting eggs of echinococcus granulosus in excrement of an echinococcus granulosus terminal host by RAA-LFD and a primer probe composition thereof. According to the primer probe composition for RAA-LFD detection of the echinococcus granulosus eggs, an upstream primer is as shown in SEQ ID NO.4, a downstream primer is as shown in SEQ ID NO.5, and a probe sequence is as follows: FAM-CTCTATAGTGTGTTTGGGTAGCAGGTTTG [THF] GGTCATATGTT-C3. According to the primer probe composition for RAA-LFD detection of the echinococcus granulosus eggs, the upstream primer is as shown in SEQ ID NO.3, and the downstream primer is as shown in SEQ ID NO.5. The invention further discloses the application of the primer probe composition in preparation of a reagent for RAA-LFD detection of echinococcus granulosus. The method has the advantages of safety, rapidness, simplicity, accuracy, high sensitivity, strong specificity and the like.

The invention provides a teak camel moth artificial feeding feed and a teak camel moth artificial feeding method, the feed comprises the following components by weight: 8% of wheat germ powder, 4% of soybean meal, 4% of yeast powder, 2% of casein, 2% of sucrose, 1.8% of agar powder, 1.5% of cellulose, 0.8% of Webster salt, 0.6% of vitamin C, 0.2% of sorbic acid, 0.3% of methyl p-hydroxybenzoate, 0.1% of cholesterol, 0.1% of choline chloride, 0.05% of inositol, 0.01% of folic acid, and the balance of water. And the balance of deionized water. The invention further provides an artificial feeding method of teak camelmoths, and the artificial feeding method comprises the steps of 1, adult mating and egg laying, 2, egg disinfection and incubation and 3, larva rearing. The feed does not contain host material teak leaves, and full-artificial continuous large-scale feeding of the teak camelmoths can be achieved.

The invention discloses a method for determining the resistance of different hosts to codling moth, which comprises the following steps: S1, making a codling moth egg-laying device, a codling moth egg-hatching device and a newly emerged codling moth breeding device; S2, collecting hosts of different varieties; S3, determining the egg-laying selection of codling moth on different hosts; S4, inoculating newly hatched larvae; S5, obtaining data; and S6, comprehensive analysis. The method for obtaining data has the following specific operations: S51, taking newly hatched larvae and inserting them into the host; S52, recording the time when the larvae fall off the fruit; S53, recording and calculating the emergence rate; S54, transferring a pair of newly emerged codling moths fed on the same variety of hosts to the newly emerged codling moth breeding device for pairing, and recording the egg-laying amount. The invention can simply and effectively determine the egg-laying selection of codling moth adults on different varieties of hosts, and various indicators in the growth, development and reproduction process of codling moth, so as to achieve the purpose of comprehensively judging and evaluating the resistance of different hosts to codling moth.

The invention provides a large-scale epinephelus lanceolatus breeding method, and relates to the technical field of epinephelus lanceolatus breeding, the method comprises the steps of fertilized egg digestion treatment and indoor and outdoor relay breeding, and the fertilized eggs are subjected to digestion treatment, so that membrane rupture of fish flowers can be facilitated; in the indoor breeding process, the calamus eggs obtained after fry strengthening are fed, more nutrient substances can be provided for the fry, and the fry can open the mouth easily; fish flowers are cultured indoors when the bodies of the fish flowers are weak in the early metamorphosis stage, the fish flowers are cultured in an outdoor pond after having certain resistance, the resistance of the fish fries can be effectively improved, in addition, during outdoor culture, the fish fries can be prevented from being affected by pathogenic microorganisms while the water body is continuously disinfected and ammonia nitrogen is removed through an electrolytic seawater chlorine dioxide generator, and the fish fries are effectively prevented from being damaged. Under the action, the seedling survival rate can be improved.

The invention relates to the technical field of parasite prevention and control, and provides a probiotic fungus capable of promoting parasite egg death and a preparation method thereof, the strain is recombinant aspergillus niger, and an exogenous chitinase gene (SEQ ID NO: 1) and a keratinase gene (SEQ ID NO: 2) are integrated in a genome of the strain. Aspergillus niger is transformed through genetic engineering, multi-enzyme synergistic degradation of the horny cortex of the worm eggs of the echinococcosis is achieved, the survival rate of the worm eggs is remarkably reduced, meanwhile, environmental safety and long-acting prevention and control capacity are both considered, and an innovative solution is provided for comprehensive prevention and control of echinococcosis.

The utility model relates to the technical field of biological experiments, and discloses a hermetia illucens spawning, inducing and collecting integrated device which comprises a shell, a spawning bin is arranged at the top of the shell, a collecting bin is arranged at the bottom of the shell, partition plates are fixedly installed on the left side of the shell, and a scraper is fixedly installed on the right side of each set of partition plates. Through the arrangement of a fluorescent lamp and a ventilation opening, the fluorescent lamp can attract hermetia illucens through light, the ventilation opening can blow out rotten food smell on the containing frame, the hermetia illucens are further attracted through the smell, after spawning of the hermetia illucens is completed, a worker pulls out a first fixing plate outwards, eggs are scraped away by a scraper, and therefore the hermetia illucens are prevented from being damaged. Compared with a traditional device, the device has the advantages that the hermetia illucens can be lured through light and smell, eggs can be completely scraped at a time after egg laying is completed, collection is thorough, and the collection efficiency is improved.

The utility model relates to a hermetia illucens egg collecting device which comprises a box body, a drawer, a plurality of sets of rotary material shaking mechanisms and egg laying cloth, the box body is provided with an opening, the drawer is arranged at the opening of the bottom of the box body, the egg laying cloth is provided with a concave-convex face on the outer side, the concave-convex face of the egg laying cloth is used for storing eggs, and the two ends of the egg laying cloth are sewn to form a ring shape. The rotary material shaking mechanisms are arranged in the box body side by side, each rotary material shaking mechanism comprises an upper supporting rod and a lower supporting rod, the upper supporting rods and the lower supporting rods are installed on the box body, the corresponding upper supporting rods and the corresponding lower supporting rods are sleeved with the oviposition cloths, rocker handles are arranged on the upper supporting rods and can drive the upper supporting rods and the oviposition cloths to move, and the oviposition cloths are arranged on the lower supporting rods and can drive the upper supporting rods and the oviposition cloths to move. And the distance H between two adjacent spawning cloths is 4-8mm. The egg collecting device is reasonable and simple in structure, convenient to operate and capable of improving egg collecting efficiency.

The invention provides a gender determining gene Rpfmd2 of Eriomycorus lividus and application of the gender determining gene Rpfmd2 in biological prevention and control, and belongs to the technical field of biology. According to the invention, after the expression level of the gene is knocked down in the body of the Adelphocoris indica by using an RNA interference technology, the development of the Adelphocoris indica and the specific differentiation process of the female sex are abnormal, and the female Adelphocoris indica even generates a male specific external genital organ; in addition, the egg laying amount of female insects is reduced, and eggs die. The above abnormal phenomena cause death of the lycoris mellifera, and indicate that the Rpfmd2 gene plays an important role in sex differentiation of the lycoris mellifera. In view of high specificity of the gene participating in regulation and control of insect sex determination, the gene can be used as a target spot for accurately preventing and controlling the apis cerinus, and dsRNA targeting the gene can achieve the purpose of effectively preventing and controlling the apis cerinus by disturbing the sex proportion of the apis cerinus and reducing the population number of the apis cerinus. In conclusion, the invention provides a theoretical basis for biological prevention and control of the apis cerana.

This application relates to the technical field of aquaculture and discloses an insect egg and shell filtration device, which includes an egg-holding box, a shell-holding box, a water filter element, and a filtration assembly. The egg-holding box and the shell-holding box are connected to each other and both have upward openings. The water filter element is detachably installed in the egg-holding box and has water filter holes for allowing water flow and trapping insect eggs. The filtration assembly is flipped between the egg-holding box and the shell-holding box so that the filtration assembly faces the opening of the egg-holding box or the opening of the shell-holding box. The filtration assembly includes a mounting frame and an egg-filtering element. One side of the mounting frame is rotatably connected to the side of the egg-holding box near the shell-holding box. The egg-filtering element is installed on the mounting frame and has egg-filtering holes for allowing water flow and insect eggs while trapping insect shells. When the mounting frame is rotated so that the egg-filtering element faces the egg-holding box, the egg-filtering element is located above the water filter element. This application can facilitate the smooth progress of seedling cultivation and aquaculture.

The invention discloses a biological repellent for preventing and treating rodents from gnawing forest and fruit planting as well as a preparation method and application of the biological repellent. The repellent comprises the following raw materials: wood tar, potassium hydroxide and pyroligneous liquor. The preparation method comprises the following steps: adding wood tar and wood vinegar into a potassium hydroxide solution, and uniformly mixing. The effect of biologically repelling and preventing the saplings from being gnawed can be achieved by smearing the repellent on the saplings, and the raw materials are biomass, are non-toxic and harmless and do not pollute the environment; the prepared repellent is dark in color, has a light absorption effect and can preserve heat; the repellent is pungent in smell and poor in mouth feel, can effectively prevent rodents from gnawing when being smeared on the fruit trees, can kill insects and worm eggs in a smeared area, and meanwhile prevents underground insects from climbing to the trees. In addition, the repellent prepared by the invention has relatively strong oxidability and antibacterial activity, and has a certain prevention and treatment effect on diseases.

The ectoparasite eradicating device is configured to eradicate lice and eggs by conveying and directing heated air to the base of the hair shaft where lice live and lay egg by connecting to a common commercially available blow dryer. The device includes a rotatable sleeve to facilitate maintenance of contact of the lower concave edge with the scalp over a range of movements of the blow dryer. A plate with a flow disrupting lip separates the hot air flow from the scalp to avoid burning, while ensuring effective treatment of the hair to the root at the edge of the plate.

The utility model discloses a chrysopa septempunctata packaging, transporting and releasing device which comprises a shell, a corcyra cephalonica egg card is arranged on the upper side face in the shell, a plurality of red cloth strips are arranged on the lower side face of the corcyra cephalonica egg card, chrysopa septempunctata eggs are placed on the red cloth strips, and a tearing plate capable of being torn and detached is arranged on the lower side face of the shell. The upper side face of the shell is provided with a hanging assembly used for hanging the shell. The utility model has the advantages of simple structure and convenience in use.

The utility model provides a chrysopa natural enemy insect egg card device which comprises an egg capsule plate and a suspension egg card, the egg capsule plate comprises an egg capsule base plate and a plurality of egg capsule bubble caps, the egg capsule base plate is provided with a plurality of indentation tearing lines, the indentation tearing lines divide the egg capsule base plate into partition plates with the same number as the egg capsule bubble caps, and the suspension egg card is arranged on the egg capsule base plate. The oocyst bubble caps are fixedly connected with the surfaces of the partition plates respectively to form a plurality of closed oocyst cavities, and insect eggs are arranged in the oocyst cavities; an oocyst mounting hole is formed in the hanging oocyst card, and a bulge is arranged in the oocyst mounting hole; the diameter of the oocyst mounting hole is smaller than the side length of the partition plate, the partition plate is provided with an easy-to-tear opening, and hatched chrysopa septempunctata larvae can be conveniently released. According to the device, the activity of chrysopa eggs can be kept, external moisture can be prevented from entering the device, and the hatching rate and accurate throwing are ensured; the suspension egg clamp can stably fix the egg sac bubble cap and the partition plate at the egg sac mounting hole, can be used for putting eggs at the position where the egg sac is not easy to place or at the higher position of a plant, and is wide in application range.

The invention relates to the field of biomedicine, in particular to a Bush vole model infected by hepatic capillary nematode parasites and a construction method and application of the Bush vole model, and the construction method of the model comprises the following steps: separating and collecting hepatic capillary nematode eggs from naturally infected Bush vole livers; placing the obtained hepatic capillary nematode eggs in a filter paper culture system containing 1% formaldehyde, and culturing the eggs at a constant temperature of 30 DEG C until the eggs in an infection period; the eggs in the infection period are inoculated into experimental animal bodies through an intragastric administration way, and the inoculation dosage is 500-1500 eggs per animal. The parasite load can be accurately controlled through oral infection, then the Bush vole model with different parasite loads for hepatic capillary nematode parasite infection can be obtained, and the model can be used for researching the pathogenesis of hepatic capillary nematode and evaluating the curative effects of anti-parasite drugs and immunomodulators, and has important scientific research and clinical application values.

To store an egg of a nematode to parasitize a rice planthopper for a long time while preventing a decrease in the hatching rate.SOLUTION: A method for storing an egg of a nematode to parasitize a rice planthopper method, includes a storage step for storing the egg in which embryonic development has already started, while keeping the embryonic state.SELECTED DRAWING: None

The invention discloses a preparation method and application of a cryptosporidiosis antibody, and belongs to the technical field of biology.The preparation method comprises the steps that S1, BL21-pET-28a-OWP protein and an adjuvant are mixed and subjected to emulsification treatment, and a BL21-pET-28a-OWP protein immunogen is obtained; s2, an immune auxiliary agent is taken, the immune auxiliary agent contains a herba houttuyniae extract, a fructus piperis longi extract and a semen hoveniae extract which are obtained through a special enzymolysis extraction method, and a solvent is water for injection; s3, taking a healthy laying hen, and inoculating the healthy laying hen with the BL21-pET-28a-OWP protein immunogen and the immune auxiliary agent for immunization; s4, collecting egg yolk liquid of immunized eggs, and preparing cryptosporidium serpentis egg yolk antibody liquid, namely the cryptosporidium serpentis disease antibody. The cryptosporidiosis antibody prepared by the method or the medicinal preparation containing the antibody is used for preparing medicines for preventing, relieving, assisting in treating or treating cryptosporidiosis; clinical symptoms are improved, and pathological damage is reduced.

The invention relates to application of aspirin in preparation of an anti-schistosoma japonicum medicine, and in the invention, by applying a schistosoma japonicum infection mouse model, the treatment effect of aspirin on schistosoma japonicum is found. Specifically, the aspirin can significantly reduce the number of insect bodies infected in mice and the number of eggs deposited in livers, and can effectively inhibit the antigen secretion ability of the eggs infected in the livers of the mice, the granuloma inflammation induced by the eggs and the hepatic fibrosis degree, so that the aspirin can be applied to treatment of schistosoma japonicum katsurada. And a new application of aspirin is added clinically. As a non-steroidal anti-inflammatory drug, aspirin is widely applied clinically, has the advantages of safety, reliability, stability, low cost, easiness in obtaining and the like, and is relatively deep in pharmacological research and relatively clear in action mechanism. Therefore, the scheme of the invention is suitable for clinical popularization and use.

The present invention discloses a special fumigant for preventing and controlling red fire ants, and a preparation method and application thereof. The fumigant contains 2% to 6% pyrethrin, 2% to 15% frangipani extract, Tween and ethanol. The present invention can more efficiently repel and kill red fire ants (including effective destruction of eggs) through the synergistic effect of multiple effective ingredients, greatly reducing the population of red fire ants. The selected ingredients are relatively low-toxic, have less harm to the environment and non-target organisms, and help maintain ecological balance. The fumigant of the present invention has higher efficiency, reduces the amount of medicine used and the number of times the medicine is applied, and reduces the cost of prevention and control.

The invention aims to provide a phascolosoma esculenta sex or egg maturity nondestructive identification system and method, and the method comprises the following steps: step 1, to-be-detected phascolosoma esculenta is subjected to stress treatment with low-salt seawater, the salinity of the low-salt seawater is 7-9 PSU, and the stress time is 1-3 h; step 2, irradiating the to-be-detected phascolosoma esculenta body subjected to stress treatment by adopting a red light source to obtain a light transmission intensity value; and step 3, judging a result according to the light transmission intensity value. According to the system and the method, the time for identifying the sex of the phascolosoma esculenta and the maturity of the star eggs is 5-10 seconds, the identification accuracy rate can reach 92% or above, the operation is convenient and fast, and the body of the phascolosoma esculenta does not need to be damaged. Compared with a traditional mode of distinguishing the gender and judging the maturity of the star eggs by observing the form of the germ cells through a microscope, the method has the advantages that the identification time is shortened by more than 50%, and the asthenopia and the working intensity of operators are greatly reduced.

The application provides a specific primer pair and kit for identifying Clonorchis sinensis adult, cysticercus and worm eggs and application, and belongs to the technical field of biological molecule detection. In order to solve the problems of insufficient specificity and insufficient sensitivity of the primer in the basic diagnosis of Clonorchis sinensis, the application discloses a specific primer pair for identifying Clonorchis sinensis adult, cysticercus and worm eggs, wherein the upstream primer sequence of the primer pair is shown as SEQ ID NO. 1, and the downstream primer sequence is shown as SEQ ID NO. 2. The detection method is simple, efficient and objective, the specific primer is used, and the Clonorchis sinensis can be quickly identified through simple PCR technology; the prepared kit is low in cost, high in accuracy and simple in operation, and can meet the operation of non-professionals.

The invention provides a microinjection method of scleroderma guani eggs. The method mainly comprises the following steps: firstly, inducing Scleroderma guani to lay eggs and collecting the Scleroderma guani; long-horned beetle larvae are provided for female scleroderma guani which is mated after eclosion, and eggs on the surfaces of the long-horned beetle larvae are collected after the female scleroderma guani spawns. Secondly, the collected scleroderma guani eggs are arranged on the edge of the cover glass, and the rear ends of the eggs are uniformly arranged in the direction where the injection needle is located; then, the injection needle is drawn, microinjection is conducted on the egg granules, and the injection position is the rear ends of the egg granules; and finally, transferring the injected egg granules to the surface of the frozen long-horned beetle larva for culturing. The method is reasonable and efficient in design, conforms to the egg growth characteristics of the scleroderma guani, and provides a brand new way for gene function research of the scleroderma guani.

This utility model relates to the field of insect egg transportation technology, and discloses an insect egg storage device, including a box assembly and a mesh bag assembly. The box assembly has a fixed cavity; the mesh bag assembly is built into the fixed cavity and has multiple receiving cavities, which are spaced apart and laid flat. The outer wall of the mesh bag assembly has ventilation holes that communicate with the receiving cavities. When transporting black soldier fly eggs, the black soldier fly eggs are filled into the multiple receiving cavities of the mesh bag assembly. Because the receiving cavities are laid flat and spaced apart, the black soldier fly eggs are prevented from stacking inside the box assembly, thus avoiding the impact of egg stacking on ventilation and improving the survival rate of the black soldier fly eggs. At the same time, by opening ventilation holes on the outer wall of the mesh bag assembly that communicate with the receiving cavities, outside air can enter the receiving cavities through the ventilation holes, enhancing the ventilation of the eggs.

The invention discloses a compound traditional Chinese medicine and application thereof in preparing a medicine for resisting eimeria tenella or treating coccidiosis, and relates to the technical field of livestock breeding. The compound traditional Chinese medicine comprises the following raw materials in parts by mass: 5-20 parts of hesperidin and 1-10 parts of citric acid. According to the invention, chicks are taken as experimental subjects, a chick coccidiosis model is established, and the effect of the compound traditional Chinese medicine on the chick coccidiosis is researched from the aspects of general conditions of the chicks, bloody stool conditions, coccidiocyst discharge conditions, cecum tissue lesion conditions, pathological detection, serum biochemistry, oxidation resistance detection and the like. The compound traditional Chinese medicine achieves a good anti-coccidiosis drug level, the required raw materials are low in cost, convenient to use and free of hormones and antibiotics, no toxic or side effect is caused to chickens, drug resistance cannot be caused, a new choice is provided for replacing chemical drugs for preventing and treating coccidiosis, and addition of anti-coccidiosis drugs in chicken feed is expected to be reduced or replaced.

The invention relates to the technical field of hermetia illucens breeding, and provides a hermetia illucens egg collecting device which comprises collecting plates, and a collecting seam for hermetia illucens to lay eggs is formed between every two adjacent collecting plates; the collecting table is arranged on one side of the collecting plate; a collecting groove for collecting eggs is formed in the upper end surface of the collecting table; the scraping plate is arranged in the collecting seam in a lifting and rotating mode, the side wall of the scraping plate makes contact with the side wall of the collecting seam, the scraping plate can move from bottom to top to scrape off eggs on the two side walls of the collecting seam and bear the scraped eggs, and the scraping plate can rotate to be inclined and guide the borne eggs to the collecting groove. The scraping plate ascends and descends in the vertical direction of the collecting seam, worm eggs attached to the two side walls are scraped off, and omission or residues in the traditional manual scraping process are avoided; and scraped eggs are supported on the surface of the scraper plate, so that falling loss is prevented. The scraping plate can rotate to an inclined state, eggs supported on the surface of the scraping plate can naturally slide to the collecting table in the center along the inclined plane, centralized collection is completed through the collecting groove, and manual plate-by-plate scraping and transferring are not needed.

The application discloses a low-cost continuous breeding method of planarians, and a low-cost genetic offspring obtaining and species preserving method. The method comprises the following steps: S1. breeding and culturing a plurality of nematodes and / or nematode eggs in a solid culture medium; and S2. a planarian breeding tank is arranged below the solid culture medium, and a slow-release adjusting body is used to control the release amount of the nematode bait in the solid culture medium in the breeding tank, so that the bait feeding interval time is prolonged. The method has obvious advantages of easy operation and low cost, realizes a solid culture medium-nematode-planarian circulation breeding mode, and optimizes the number of the nematode and planarian populations, so that the dynamic balance is achieved. The three-level ecological breeding system of the culture medium-nematode-planarian is used, so that the artificial cost is reduced, the long-term feeding of the planarians is facilitated, and the low-cost long-term planarian breeding and species preservation can be realized.

The invention provides a flat spade breeding method, and relates to the technical field of insect breeding, and the flat spade breeding method comprises the following steps: a mating period: selecting a male flat spade and a female flat spade which are dormant for about 4 months, fixing the large jaw of a male insect to the inner side by using a tie with the width of 3mm-5mm, then placing the male insect and the female insect in a container with the volume of 2L-5L for one week, and observing the behavior of the male insect; a cuboid container with a certain capacity is taken as a delivery room, the delivery room is installed on an auxiliary mechanism, fermented wood chips are put into the delivery room and pressed tightly to be 5 cm away from the bottom, then produced wood is put into the delivery room, the fermented wood chips cover the produced wood and are pressed tightly, and finally branches or dry leaves are laid on the surface layer; in the spawning period, the female insects are independently taken out, put into a delivery room, put in food and replaced once a week, the female insects are taken out from 30 days to 45 days, then the delivery room is checked, if larvae or eggs are found, standing is conducted for one month, and then the delivery room is opened to take the larvae; if the larvae or the eggs are not found in the delivery room, the female insects and the male insects are placed in the container of 2-5 L again, and mating is conducted again.

The utility model relates to the technical field of hermetia illucens oviposition collecting devices, in particular to a hermetia illucens oviposition efficient collecting plate which comprises a collecting bag, a plurality of collecting plates are fixed in the collecting bag, and bevel edges used for oviposition are arranged on the left side and the right side of each collecting plate. And the collecting plates are sequentially stacked to form a collecting tower. The egg collecting device does not need to disassemble a single collecting plate and manually scrape eggs, is high in collecting speed and low in labor intensity, and does not damage the eggs; meanwhile, the collecting plate is long in service life, low in cost, easy to clean and free of mildewing and deformation.

The utility model particularly relates to an insect egg taking device which comprises an egg taking barrel, an air pump is arranged at the upper end of the egg taking barrel, a control switch is arranged on the outer side face of the egg taking barrel, a conical head is arranged at the lower end of the egg taking barrel, and an annular lamp is arranged at the joint of the conical head and the egg taking barrel. A sucker is arranged at the lower end of the conical head; according to the egg taking device, eggs can be sucked and taken, the annular lamp is arranged to illuminate the egg taking position during egg taking, meanwhile, the conical head is matched to avoid the influence on the egg taking view field, and egg taking is convenient; and damage caused by too large suction air pressure in the egg adsorption process can be avoided.

The utility model belongs to insect artificial breeding technical field, concretely relates to a box drawer type device of rice moth feeding and oviposition integration, including vertical cabinet, three layers of drawers are arranged in vertical cabinet, top layer is adult catching drawer, middle is larva feeding drawer, bottom layer is adult oviposition drawer, larva feeding drawer has bottom, top is open, the top of adult catching drawer is gauze, bottom is the net board of pluggable, when the net board in adult catching drawer is drawn out, adult catching drawer and larva feeding drawer intercommunicate, when the net board is inserted into adult catching drawer, can intercept rice moth adult between gauze and net board, when adult catching drawer shifts to bottom layer, replaces adult oviposition drawer, the below of adult oviposition drawer is provided with insect egg collection unit, through the structural design of " larva feeding drawer is above, adult catching drawer is below", utilizes the habit of adult insect flying upward to light, makes it automatically fly into the adult catching drawer (gauze place) of feeding drawer from above after eclosion.

The utility model discloses a fruit fly feeding device convenient for collecting eggs, which comprises a tank body, a top cover, a bottom cover, a food tray, an egg collecting box, a cover plate and an air blowing device, and solves the problem that the existing fruit fly feeding device is large in interference during egg collection. The turnover bottom cover is arranged at the bottom of the tank body, the egg collecting box is arranged below the bottom cover, the cover plate with the egg collecting holes is arranged above the egg collecting box, fruit juice and the like can be filled in the egg collecting box to attract fruit flies to lay eggs at the position of the cover plate below the bottom cover, and the fruit flies are blown back into the tank body above the bottom cover through the blowing device after egg laying. And then the cover plate is covered back, so that the collection of the fruit fly eggs can be completed, and female insects are prevented from escaping. Meanwhile, the egg collecting box is separated from the tank body, so that all eggs can be collected, and the experiment precision is improved. The device is small in occupied space, low in cost and convenient to operate, and materials of the device are easy to purchase. The device can be used for exploring the egg laying rate and the egg laying dynamic state of the fruit flies after different treatments, biological observation of life, mating behaviors and the like can be conveniently carried out, and the application range is wide.