CN115245146A - Method for producing helianthus coruscus by using rice moth eggs as breeding hosts - Google Patents
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/033—Rearing or breeding invertebrates; New breeds of invertebrates
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Abstract
The invention provides a method for producing a scale cocoon bee by using rice moth eggs as a propagation host, which can successfully parasitize individual larger parasitic wasps such as scale cocoon bees and the like by preparing the rice moth eggs which are scattered into eggs cards; in addition, the shelf life of parasitic wasps can be prolonged by reducing the investment of parasitic larva feed during production; the influence of artificial interference on pupation of the larvae of the batocera formosanus, which causes the reduction of the eclosion rate, is reduced; the rice moth egg card is used for parasitizing the gloeosporioides formosanus, artificial large-scale production is carried out, field release is carried out, the occurrence of the population quantity of the spodoptera frugiperda can be controlled, the harm of the spodoptera frugiperda to crops is reduced, meanwhile, the using amount of chemical pesticides is reduced, and the yield and the quality of agricultural products are improved.
Description
Technical Field
The invention provides a method for producing a scale-B cocoon bee by using a rice moth egg as a propagation host, relates to a method for producing scale-B moth dominant parasitic wasp scale-B cocoon bee by using the rice moth egg, can efficiently propagate a large number of scale-B cocoon bees, and belongs to the technical field of biological control of agricultural pests.
Background
Genus of AbelmoschusChelonusPanzer is a very important class of egg-larva spanning parasitic wasps, and the species of the Panzer is described as more than 800 species, and the host is known as 250 species, which are widely distributed all over the world. Rice mothCorcyra cephalonica (Stainton), belonging to the family Lepidoptera Chilo, is an important storage pest, causes serious loss to grains and grain commodities,is widely distributed all over the world, and is mostly distributed in southern areas in China. The rice moth as intermediate host plays an important role in breeding natural enemies in large quantities, and each production line of rice moth eggs can be used for breeding 20 million of rice borer trichogramma in Jilin.
In the existing method for breeding the scale insect moth by utilizing the noctuidae host spodoptera frugiperda and prodenia litura, the problems of difficult obtainment of hosts, large workload, high cost, short shelf life and low breeding amount exist, and the problems directly cause that sufficient and stable quantities of scale insect moth cannot be provided in the outbreak period of the spodoptera frugiperda, thus seriously influencing the control effect; meanwhile, the existing parasitic wasp expanding and propagating mode needs to put eggs required by the parasitic wasps for egg laying in bottles, then put the parasitic wasps in the bottles, and take out the parasitic wasps after egg laying or pupation, so that the defects of complicated steps, much man-made interference, slow propagation expanding speed and much escape of the parasitic wasps are overcome, and the finding of efficient breeding of intermediate hosts is a technical problem to be solved urgently.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a method for efficiently and artificially feeding a large amount of the metlbond coccinellidae, which lays a good foundation for population breeding of the metlbond coccinellidae and development of spodoptera frugiperda biological control.
The invention discloses a method for producing a helianthus coruscus by using rice moth eggs as breeding hosts, which comprises the following steps:
1. preparation of host rice moth eggs: collecting newly-laid rice moth eggs which are not subjected to ultraviolet sterilization treatment, separating the rice moth eggs from impurities such as feet and wings of the rice moth by using a funnel with an 80-mesh screen, adhering the rice moth eggs on A4 paper by using double-sided adhesive to prepare egg cards, wherein the size of each egg card is 1 multiplied by 1.5 cm, and each egg card contains 500-600 rice moth eggs;
2. mating of the beetle cocoon bee: placing the adult to be mated in a mating cage, carefully observing the mating condition, and taking out the mated female bees for later use by using test tubes once the mating behavior is finished;
3. oviposition of the Abies beetle: inoculating the rice moth egg card in the step (1) into the mated female bees collected in the step (2), wherein the ratio of the female bees to the egg grains is about 1:500, and taking out the egg card after parasitizing for 24 hours;
4. feeding parasitic larvae: transferring the rice moth egg cards parasitized in the step (3) into an insect breeding box, adding 100g of artificial feed, breeding under the conditions that the temperature is 26 +/-1 ℃, the humidity is 60 +/-5 percent and the photoperiod L is = 14: 10, and regulating the development period of the parasitized larvae by increasing or decreasing the feeding times of the feed and adding the artificial feed with the same amount once for 15D, 30D, 60D or 90D;
5. emergence of the beetle cocoon bee: taking down the insect breeding box cover when the parasitic wasps appear in the breeding in the step (4), and mutually crossly stacking in a large insect breeding cage;
6. collecting the beetle cocoon bees: and (4) providing a light source on the back of the insect raising cage containing the parasitic wasps in the step (5), and taking out the parasitic wasps by using a test tube to be introduced into a mating cage. The cultured scale cocoon bee can be used for propagation expansion or prevention and control of field Spodoptera frugiperda.
Wherein, in the step (1), newly-produced rice moth eggs are not subjected to ultraviolet sterilization treatment; and (5) preparing the rice moth egg whiskers into an egg card.
In the step (3), the quantity of the grafted bees is that of the corbernet: the rice moth egg particle is more than or equal to 1:500.
in the step (4), the conditions of the insect rearing room are as follows: temperature 26 +/-1 ℃, humidity 60 +/-5% and photoperiod L: D = 14: 10.
In the step (5), a hole is dug in the center of the insect-raising box cover and replaced by a gauze.
The invention has the positive effects that:
by preparing the rice moth eggs laid in bulk into egg cards, larger parasitic wasps such as the helianthus corchoriformis and the like can be successfully parasitized; in addition, the shelf life of parasitic wasps can be prolonged by reducing the investment of parasitic larva feed during production; the influence of artificial interference on pupation of the larvae of the batocera formosanus, which causes the reduction of the eclosion rate, is reduced; compared with the method that prodenia litura is used as a host and spodoptera frugiperda is used as a host, the production cost for breeding 100-head helianthus spicatus by using the rice moth eggs is about 8 times and 18 times lower; double-nest abdominal cocoon bee bred by rice moth eggsChelonus bifoveolatus The Sz bee pleigeti female bee can parasitize 1600 Spodoptera frugiperda eggs for a lifetime, and has super parasitizing capability compared with Spodoptera frugiperda Apis (parasitizing 250 eggs). Utilizing riceThe moth egg card enables the gloeosporioides formosanus to parasitize, artificial large-scale production is carried out, field release is carried out, the number of spodoptera frugiperda populations can be controlled, harm to crops caused by the spodoptera frugiperda populations is reduced, meanwhile, the using amount of chemical pesticides is reduced, and the yield and the quality of agricultural products are improved.
Drawings
FIG. 1 shows the parasitic effect of the double-stranded apocynum venetum bred by the rice moth of the invention on Spodoptera frugiperda.
Detailed Description
The present invention is further illustrated by the following examples, which do not limit the present invention in any way, and any modifications or changes which can be easily made by a person skilled in the art without departing from the technical solution of the present invention will fall within the scope of the claims of the present invention.
Example 1
Mass propagation of double-nest Abelmoschus manihot (A) by using rice moth eggs as hostsChelonus bifoveolatus Szépligeti）
1. Preparing a host rice moth egg: collecting newly-laid rice moth eggs which are not subjected to ultraviolet sterilization treatment, separating the rice moth eggs from impurities such as feet, wings and the like of the rice moth by using a funnel with a 80-mesh screen, adhering the rice moth eggs on A4 paper by using double-sided adhesive to prepare egg cards, slightly brushing off the rice moth eggs which cannot be fixed on the egg cards by using a brush, wherein the size of the egg cards is 1 multiplied by 1.5 cm, and each egg card contains 500-600 rice moth eggs;
2. mating of the apostichopus japonicas: adult insects to be mated are placed in a mating cage (35X 35 cm) and have strong phototaxis, and in order to induce mating, the rear part of the cage is directed to a light source (3000 lx), so that the adult insects become active and mating begins; carefully observing the mating condition, and once the mating behavior is finished, independently taking out mated female bees by using test tubes (the diameter is 3cm, and the length is 5 cm) for later use;
3. oviposition of the Abelmoschus manihot: inoculating the rice moth egg card in the step (1) into the mated female bees collected in the step (2), wherein the female bees are as follows: the number of eggs is about 1:500, and the egg cards are taken out after being parasitized for 24 hours, 20% of honey water is provided for female bees and the egg cards are placed in a dark place to prolong the service life of parasitic bees;
4. feeding parasitic larvae: transferring the rice moth egg cards parasitized in the step (3) into an insect breeding box (1500 ml), breeding with artificial feeds (the proportions of corn flour, wheat bran, cane sugar and yeast powder are respectively 70%,20%,7% and 3%) under the conditions that the temperature is 26 +/-1 ℃, the humidity is 60 +/-5% and the photoperiod L is = 14: 10, adding the feeds every 15 days, and stopping adding the feeds when the feeding reaches 45 days;
5. emergence of the queen beetles: parasitic wasps begin to appear when the breeding time is about 50 days in the step (4), the insect breeding box cover is taken down and mutually crossed and stacked in a large insect breeding cage (50 multiplied by 50 cm) so as to be convenient for the parasitic wasps and hosts to leave the insect breeding box;
6. collecting the beetle cocoon bees: and (4) providing a light source (3000 lx) on the back surface of the insect raising cage containing the parasitic wasps in the step (5), wherein most of the parasitic wasps are distributed on the back of the insect raising cage due to the strong phototropism of female wasps, and the eclosion rice moth adults keep still under the illumination condition, so that the host adults and the parasitic wasps can be well separated. Taking out parasitic wasps by using a test tube, introducing the parasitic wasps into a mating cage, placing the mating cage in a dark place at 10-15 ℃ when the parasitic wasps are not used for expanding hosts, and storing adults for about 2 months or preventing and controlling field Spodoptera frugiperda.
Example 2
Parasitic effect of double-nest gloeostereum ferdii bred by rice moth on Spodoptera frugiperda
1. Materials and methods
1.1 test insects
A host insect: spodoptera frugiperdaSpodoptera frugiperda (J. E. Smith)
Parasitic wasps: double-nest abdominal cocoon beeChelonus bifoveolatus Szépligeti
1.2 test methods
1.3.1 Parasitic effect of double-nest gloeostereum ferdii bred by rice moth on Spodoptera frugiperda
Collecting egg masses within 24 h from an insect rearing cage containing 100-200 adults of Spodoptera frugiperda, and selecting the egg masses with the coat thickness of 0-80 μm for experiment.
Taking newly emerged female bees of the double-nest gloeosporioides besseyi bred by the rice moth eggs in a test tube, providing 3 spodoptera frugiperda eggs (300 eggs) for each female bee every day until the female bees die, and dripping a drop of 20% honey water on the wall of the test tube. After 24 h of parasitization, the parasitized egg masses were removed and placed in a petri dish. After the larvae are hatched, an artificial feed is provided, and a layer of toilet paper is covered above the artificial feed to prevent the larvae from going out. Observing the development status of the larvae every day, transferring to a 12-hole plate when the larvae are two years old (about 4-5 d), covering a layer of toilet paper on the plates, and feeding separately with artificial feed. When developed to a certain age (16 d), the parasitic larvae began to shrink, at which time the parasitic larvae were picked out, transferred to a PVC box (length × width × height =21 cm).
The above experiments were carried out in a climatic chamber at a temperature of 26 + -1 deg.C, a relative humidity of 60 + -5%, and a photoperiod L: D = 14: 10.
2. Results and analysis
Referring to fig. 1, research results show that female coilia bifascidiana bred by rice moth eggs can parasitize about 1600 spodoptera frugiperda eggs in life, wherein the parasitization amount is the largest at 3-day-old, the service life is about 11 days, and compared with the spodoptera frugiperda dominant parasitizing spodoptera frugiperda black egg bees, the coilia bifascidiana has stronger parasitization capacity, and meanwhile, the individuals are larger and are more competitive in the field.
Example 3
Influence of rice moth artificial feed feeding interval on growth duration of double-nest gloeosporioides
1. Materials and methods
1.1 test insects
A host insect: rice mothCorcyra cephalonica (Stainton)
Parasitic wasp: double-nest abdominal cocoon beeChelonus bifoveolatus Szépligeti
1.2 test methods
1.3.1 Influence of rice moth artificial feed feeding interval on development duration of double-nest abdominal cocoon bee
Taking female and male double-nest elaeophorus bifidus braconid bred from rice moth eggs, pairing the two-nest elaeophorus bifidus braconid eggs with a test tube and fully mating, placing about 600 rice moth eggs at the bottom of the test tube, dripping a few drops of 20% honey water on the wall of the test tube for supplementing nutrition, and sealing the opening of the test tube by using a gauze. 24 And h, taking out the egg blocks, putting the egg blocks into the center of the insect breeding box, and adding feed into the insect breeding box: adding an equal amount of artificial feed at intervals of 15D, 30D, 60D or 90D, and feeding under the conditions of 26 +/-1 ℃, 60 +/-5% of humidity and L: D = 14: 10 photoperiod. The feed addition was stopped when the parasitized rice moth larvae started to pupate. And finally, recording the early development time of the adult double-nest abdominal cocoon bee. Each treatment was repeated 10 times.
2. Results and analysis
The comparison of the development time of the female and male flies of the double-roost beetle cocoon bee at different feeding intervals of the rice moth feed is shown in the following table 1. Data analysis results show that with the increase of feed feeding intervals, the early development time of female and male adult bigeminal braconid flies is prolonged. The early development time of the adult female and male bees is respectively 116.92 d and 114.98 d after the feed is put at intervals of 90 d, which is obviously higher than the early development time of the adult female and male bees after the feed is put at intervals of 15 d, 30 d and 60 d. The early development time of the adults of the female bees fed with the feed at intervals of 15 d, 30 d and 60 d is obviously higher than that of the male bees.
TABLE 1 comparison of the development time of female and male flies of double-rood beetle cocoon bee at intervals of different rice moth feeds
Note: the data in the table are mean values +/-standard errors, and the differences of parameters of the adult development period of the same sex of different feed feeding intervals are shown by different capital letters after the same column number (P <0.05,lsd's test); the difference of the development duration of the adult insects of different sexes is obvious when different lower case letters represent the same feed interval (P < 0.05，tTest).
Claims (5)
1. A method for producing a cortefuran using rice moth eggs as a propagation host comprises the following steps:
1) Preparation of host rice moth eggs: collecting newly-laid rice moth eggs which are not subjected to ultraviolet sterilization treatment, separating the rice moth eggs from impurities such as feet and wings of the rice moth by using a funnel with a 80-mesh screen, adhering the rice moth eggs on A4 paper by using a double-sided adhesive to prepare egg cards, wherein the size of each egg card is 1 multiplied by 1.5 cm, and each egg card contains 500-600 rice moth eggs;
2) Mating of the beetle cocoon bee: placing the adult to be mated in a mating cage, carefully observing the mating condition, and taking out the mated female bees for later use by using test tubes once the mating behavior is finished;
3) Oviposition of the Abies beetle: inoculating the rice moth egg card in the step (1) into the mated female bees collected in the step (2), wherein the ratio of the female bees to the egg grains is about 1:500, and taking out the egg card after parasitizing for 24 hours;
4) Feeding parasitic larvae: transferring the rice moth egg cards parasitized in the step (3) into an insect breeding box, adding 100g of artificial feed, breeding under the conditions that the temperature is 26 +/-1 ℃, the humidity is 60 +/-5 percent and the photoperiod L is = 14: 10, and regulating the development period of the parasitized larvae by increasing or decreasing the feeding times of the feed and adding the artificial feed with the same amount once for 15D, 30D, 60D or 90D;
5) Emergence of the beetle cocoon bee: taking down the insect breeding box cover when the parasitic wasps appear in the breeding in the step (4), and mutually crossly stacking in a large insect breeding cage;
6) Collecting the beetle cocoon bees: and (4) providing a light source on the back of the insect raising cage containing the parasitic wasps in the step (5), and taking out the parasitic wasps by using a test tube to be introduced into a mating cage.
2. A method for producing a cocoon bee as claimed in claim 1, using an egg of a rice moth as a propagation host, characterized in that:
in the step (1), newly produced rice moth eggs are not subjected to ultraviolet sterilization treatment; and (5) preparing the rice moth egg whiskers into an egg card.
3. A method for producing a scale cocoon bee using a rice moth egg as a propagation host according to claim 1, characterized in that:
in the step 3), the quantity of the connected bees is the beetle cocoon bees: the rice moth egg grain is more than or equal to 1:500.
4. the method for producing a cocoon bee as claimed in claim 1, wherein the method comprises the steps of:
in step 4), the conditions of the insect rearing room are as follows: temperature 26 + -1 deg.C, humidity 60 + -5%, photoperiod L: D = 14: 10.
5. A method for producing a scale cocoon bee using a rice moth egg as a propagation host according to claim 1, characterized in that:
in the step 5), a hole is dug in the center of the insect-raising box cover and replaced by a gauze.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116349656A (en) * | 2023-05-26 | 2023-06-30 | 云南省烟草公司昆明市公司 | Method for large-scale propagation of noctuid black egg bees |
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| US4411220A (en) * | 1979-07-10 | 1983-10-25 | Inst. Nat. De La Recherche Agronomique | Mass production unit for producing eggs of an insect |
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| CN111011313A (en) * | 2019-12-30 | 2020-04-17 | 中国医学科学院药用植物研究所云南分所 | Method for improving female proportion of trichogramma offspring and application thereof |
| CN111345188A (en) * | 2020-03-30 | 2020-06-30 | 海南省农业科学院植物保护研究所 | Spodoptera frugiperda parasitic wasp propagation method |
| CN113317091A (en) * | 2021-07-06 | 2021-08-31 | 吉林农业大学 | Method for breeding Spodoptera frugiperda advantage natural enemy gloeosporioides |
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- 2022-08-01 CN CN202210918583.0A patent/CN115245146A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4411220A (en) * | 1979-07-10 | 1983-10-25 | Inst. Nat. De La Recherche Agronomique | Mass production unit for producing eggs of an insect |
| KR101773832B1 (en) * | 2017-06-08 | 2017-09-01 | 전정배 | Pyralid moths eggs, its producing method, and method for producing recombinant protein by using pyralid moths eggs |
| CN111011313A (en) * | 2019-12-30 | 2020-04-17 | 中国医学科学院药用植物研究所云南分所 | Method for improving female proportion of trichogramma offspring and application thereof |
| CN111345188A (en) * | 2020-03-30 | 2020-06-30 | 海南省农业科学院植物保护研究所 | Spodoptera frugiperda parasitic wasp propagation method |
| CN113317091A (en) * | 2021-07-06 | 2021-08-31 | 吉林农业大学 | Method for breeding Spodoptera frugiperda advantage natural enemy gloeosporioides |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116349656A (en) * | 2023-05-26 | 2023-06-30 | 云南省烟草公司昆明市公司 | Method for large-scale propagation of noctuid black egg bees |
| CN116349656B (en) * | 2023-05-26 | 2023-08-22 | 云南省烟草公司昆明市公司 | Method for large-scale propagation of noctuid black egg bees |
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