CN114431194B - Artificial breeding method of orius viridis - Google Patents

Artificial breeding method of orius viridis Download PDF

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CN114431194B
CN114431194B CN202210064142.9A CN202210064142A CN114431194B CN 114431194 B CN114431194 B CN 114431194B CN 202210064142 A CN202210064142 A CN 202210064142A CN 114431194 B CN114431194 B CN 114431194B
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唐美君
王志博
肖强
郭华伟
姚惠明
殷坤山
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Tea Research Institute Chinese Academy of Agricultural Sciences
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K67/00Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
    • A01K67/033Rearing or breeding invertebrates; New breeds of invertebrates
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/87Re-use of by-products of food processing for fodder production

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Abstract

The invention discloses an artificial feeding method of green spot benefit stinkbug, which comprises the following steps: 1) Feeding foodstuff insects: after the green stink bugs lay eggs for 3 days, taking out the frozen eggs of the inchworm in batches and feeding the inchworm in an artificial climate chamber; 2) Breeding, spawning and nymph breeding of green-spot orius bugs: breeding the lygus lucorum in a matched mode according to a male-female ratio of 1; after the imagoes lay eggs, taking out the leaves or tea shoots with the imagoes, putting the leaves or tea shoots into a feeding container for moisturizing and placing; after the eggs are hatched, putting the young tips of the tea leaves, and transferring nymphs to a breeding container after the nymphs gather on the leaves to feed inchworm larvae; 3) And (5) overwintering and breeding the orius virens. The method can realize mass feeding and continuous multi-generation feeding of the orius cloaca and provide a healthy insect source for further research and application of the natural enemy. The tea geometrid or the gray tea geometrid is fed by adopting the fresh-cut tea branches to obtain continuous batches of geometrid, and the green oricanus bugs are fed by the geometrid and the fresh tea shoots, so that the operation is simple and convenient, and the feeding effect is good.

Description

Artificial breeding method of orius viridis
Technical Field
The invention belongs to the technical field of insect feeding, and particularly relates to an artificial feeding method of green spot benefit stinkbug.
Background
Green point beneficial stinkbugPicromerusviridipunctatusInsect belonging to genus Yang, family Euschisoideae of the order Hemiptera, host plants are known to be rice, sweet potato, soybean and ramie. The inventor of the application finds that the green orius stinkbug has predation property when disease and pest investigation is carried out in a tea garden, can predate various tea plant pests, and occasionally also stabs and absorbs tea plant juice. The nymphs and adults of the plant can prey on the important pests of the tea garden, namely the ectropis obliquaEctropisgrisescensWarren, tea geometridEctropisobliquaProut, tea leaf mothPhlossafascista(Moore), bombyx moriAndracabipunctataWalker, and the like. The insect has strong predation capability, little damage to tea trees and very good biocontrol potential. The insect is the first discovery that the insect has meat eating property, and is a stinkbug natural enemy insect newly recorded in a tea garden. To date, research on green-spotted maiden bugs has been limited to taxonomic morphological featuresAnd (5) characterizing description. At present, no artificial feeding technical method exists.
Disclosure of Invention
The invention aims to provide an artificial feeding method of green spot benefit stinkbug, which can realize mass feeding and subculture of the green spot benefit stinkbug and provide a healthy insect source for field application and subsequent research of the natural enemy, and is realized by the following technical scheme:
1) Feeding of foodstuff insects
The foodstuff insect is gray tea geometrid or tea geometrid, and the raising steps are as follows: after the green stink bugs lay eggs for 3 days, taking the frozen eggs of the inchworm out of the refrigerator and breeding in an artificial climate chamber; then taking out the refrigerated eggs every 3-5 days for batch feeding. Continuously feeding 4-5 batches of inchworms in one feeding period of the green orius cloaca, and ensuring that the inchworms with the corresponding ages are fed in each development stage of the green orius cloaca. The newly hatched larvae are fed according to a conventional method, the larvae are moved into a special feeding device for feeding after 2 days, and when the larvae enter a prepupa stage, the prepupa is collected and put into a biological incubator for feeding;
2) Raising, spawning and nymph of green orius
Half a day after the nymphs of the green orius similis emerge into adults, breeding the adults in a matched mode according to a male-female mode 1;
after the imagoes lay eggs, taking out the leaves or tea shoots with the imagoes, putting the leaves or tea shoots into a feeding container for preserving moisture and placing, and continuously feeding the imagoes until the imagoes are completely dead and taking out the imagoes;
after eggs are hatched, putting young tea shoots firstly, transferring nymphs into a breeding container after the nymphs gather on the leaves, putting 3-4 fresh tea shoots in each breeding container, and putting a small amount of larvae of 1-year inchworm; after 2 years, the nymphs are transferred into a special breeding appliance for breeding, and the number ratio of the inchworm larvae to the stinkbug nymphs is not lower than 1; feeding nymphs of 2-4 ages with larvae of looper of 1-3 ages, and feeding nymphs of 4-5 ages after the nymphs grow to 5 ages. Adding inchworm larvae and fresh tea branches in time according to the feeding condition;
3) Overwintering breeding of orius virens
In the late autumn winter period, the adult worms are intensively placed in a feeding container, and a small amount of overwintering inchworm pupae and a small amount of old tea tree leaves are placed at the same time and placed at a low temperature.
Furthermore, the special raising appliance comprises a water storage tank, a partition plate arranged above the water storage tank and a cover cage placed on the partition plate, wherein a handle is arranged on the cover cage, a bottom plate is arranged below the cover cage, through holes are formed in the positions, corresponding to the bottom plate and the partition plate, of the bottom plate, tea branches are inserted into the through holes, and gaps between the tea branches and the through holes are sealed by cotton.
Furthermore, the diameter of the through hole is 4-5cm, and the number of the holes is 2-3/1350 cm 2 The covering cage gauze is nylon yarn of 40-60 meshes, and the height of the water storage tank is not lower than 15cm.
Further, in the step 1), the artificial climate chamber feeding condition is constant temperature feeding at 25-27 ℃, RH is 70-75%, and the photoperiod is 12L: 12D; the feeding conditions in the pupa pre-stage are constant temperature feeding at 18-20 ℃, RH70-75% and photoperiod 12L:12D.
Further, in the step 2), the breeding conditions are that the breeding is carried out at the room temperature of 23-28 ℃, the RH is about 70-75%, and the photoperiod is 14L: 10D; the breeding container is a culture dish with the diameter of 15cm or a 500mL glass insect breeding bottle, and the insect breeding bottle is sealed by a rubber band which is bound by white paper.
Further, in the step 2), 2-3 egg blocks are placed in each feeding container, a plurality of old leaves are placed at the same time for moisturizing, the initially hatched nymphs are controlled to be 100-150 heads in each feeding container, and 30-50 heads of 1-age inchworm are inoculated; the feeding amount of 2-4-year nymph is controlled at 50-100 heads/0.07 m 3 (ii) a The feeding amount of 5-year nymphs is controlled to be 30-50 heads/0.07 m 3 The number ratio of the inchworm larvae to the stinkbug nymphs is 1-4:1.
Further, in the step 3), the adults before wintering are gathered in a feeding container, 20-30 adults, 10 inchworm pupas and 3-4 old tea leaves are placed in each feeding container, and the feeding conditions in the wintering period are 10-15 ℃, RH is about 65-70%, and the photoperiod is 10L.
The invention has the following beneficial effects: the method can realize mass feeding and continuous multi-generation feeding of the orius cloaca and provide a healthy insect source for further research and application of the natural enemy. The tea tree is evergreen in four seasons, and fresh tea branches are very easily obtained in a tea garden as raw materials. According to the method, fresh-cut tea branches are adopted to feed the tea geometrid or the gray tea geometrid to obtain continuous batches of geometrid, and the geometrid and the fresh tea shoots are used to feed the lygus lucorum, so that the operation is simple and convenient, and the feeding effect is good. The average egg laying amount of the green plant bugs per female is 133, and the survival rate is more than 85%.
Drawings
FIG. 1 is a schematic view of a purpose-built feeding implement;
FIG. 2 is a schematic diagram of a feeding plan for a food insect;
in the figure, 1-a water storage tank, 2-a clapboard, 3-a cover cage, 4-a through hole and 5-a tea branch.
Detailed Description
The invention is described in further detail below with reference to the drawings and specific examples to better understand the technical solution.
Example 1
1) Feeding of foodstuff insects
The foodstuff insect of the invention is gray tea geometrid or tea geometrid, and the raising steps are as follows: after 3 days of oviposition of green orius, taking out the frozen eggs of the looper from a refrigerator, and feeding the looper in an artificial climate chamber at 25-27 ℃, wherein RH is 70-75%, and the photoperiod is 12D. Then feeding the frozen eggs in batches every 3-5 days. Continuously feeding 4-5 batches of inchworms in one feeding period of the orius cloaca, and ensuring that the inchworms with the corresponding ages are fed in each development stage of the orius cloaca.
As shown in figure 1, the breeding device is provided with a water storage tank 1 below, a partition plate 2 is arranged above the water storage tank 1, a cover cage 3 is placed on the partition plate 2, a bottom plate is arranged below the cover cage 3, through holes 4 are formed in the positions, corresponding to the bottom plate and the partition plate 2, of the bottom plate, tea branches 5 are bundled from the through holes 4 and inserted into the water tank, and gaps between the tea branches 5 and the through holes 4 are sealed by cotton. The diameter of the through hole 4 is 4-5cm, and the number of the holes is 2-3/1350 cm 2 The covering cage gauze is nylon yarn of 40-60 meshes, and the height of the water storage tank is not lower than 15cm. Conventionally bred larvae of 2 days old and 1 year old are thrown onto tea shoots for breeding. Collecting pupa when the larva enters the pupa pre-stage, feeding in a biological incubator at 18-20 deg.C, RH70-75%, photoperiod 12l. Taking out the green spot bugs to feed when needed.
2) Raising, spawning and nymph of green orius
Half a day after the nymphs of the green orius similis emerge into adults, breeding the adults in a female-male pairing mode according to 1:1, putting 1-2 pairs of the adults of the green orius similis into each breeding container, putting 3-4 fresh tea shoots and 5-10 preputials or pupas of the gray tea geometrid or the tea geometrid, checking the feeding condition of the adults every day, and adding tea leaves and the pupas of the geometrid in time. The breeding container is a culture dish (diameter 15cm, height 3 cm) or a glass insect breeding bottle (500 mL), and the insect breeding bottle is sealed by a rubber band which is bound by white paper.
And after the imagoes lay eggs, taking out the leaves or tea shoots with the imagoes, putting the leaves or tea shoots into a feeding container for preserving moisture, placing the imagoes, and continuously feeding the imagoes until the imagoes die completely, and taking out the imagoes. The number of the eggs in each feeding container is 2-3, and a plurality of old leaves are put into each feeding container for moisturizing.
After the eggs are hatched, placing young tips of tea leaves, transferring the young tips into a breeding container after nymphs gather on leaves, controlling the young nymphs to 100-150 heads in each breeding container, and inoculating 30-50 heads of 1-age inchworm. 3-4 fresh tea shoots are put into each feeding container. After 2 years, the nymphs are transferred to a special breeding device for breeding. 2-4 instar nymphs are fed by 1-3 instar inchworm larvae, and 5 instar nymphs are fed by 4-5 instar inchworm larvae. According to the feeding condition, inchworm larvae and fresh tea branches are added in time. The feeding amount of 2-4-year nymph is controlled at 50-100 heads/0.07 m 3 (ii) a The feeding amount of 5-year nymphs is controlled to be 30-50 heads/0.07 m 3 The number ratio of inchworm larvae to stinkbug is 1-4.
The breeding conditions are 23-28 deg.C room temperature breeding, RH70-75% about, photoperiod 14L: 10D. The water culture tea branches are tea branches with tender tips cut in the field, the length of the tea branches is about 45-55cm, and the tea branches are inserted into a water tank in bundles.
3) Overwintering breeding of orius virens
In the winter period at the end of autumn, the imagoes are concentrated in the raising container before winter, and 20-30 heads of the imagoes, 10 heads of inchworm pupa and 3-4 old tea tree leaves are placed in each raising container. The overwintering period feeding conditions are 10-15 ℃, RH 65-70% or so, and the photoperiod is 10L.
Wherein the development history of the green plant bug at 23-28 ℃ is shown in table 1, and the development history of the looper at 25-27 ℃ is shown in table 2.
TABLE 1 growth history of green orius bugs (23-28 ℃ C.)
Figure 943661DEST_PATH_IMAGE001
TABLE 2 inchworm development history (25-27 deg.C)
Figure 454277DEST_PATH_IMAGE002
The feeding of the food insects adopts a special feeding device, the tea branches do not need to be added with water in a feeding period, the feeding operation is simplified, meanwhile, the feeding plan is coordinated and arranged according to the biological habit of the green orius bugs, as shown in figure 2, the green orius bugs and the green orius bugs are matched with each other, the most suitable food is ensured all the time, and the high survival rate and the high egg laying amount are obtained. Meanwhile, the raising and egg taking method of the green spot benefit stinkbug adults is very convenient, other egg laying devices or nutrition supplement are not needed, only tea shoots are placed, and tea leaves are the optimal egg laying place and are also supplement food of the green spot benefit stinkbug; the nymphs are raised by using the same raising apparatus as the foodstuff insects, the operation is greatly simplified, and meanwhile, the optimal raising effect is realized by feeding the inchworms with different ages to the lygus lucorum at different development stages and feeding the lygus lucorum in a feeding proportion.

Claims (6)

1. An artificial breeding method of orius viridis is characterized by comprising the following steps:
1) Feeding of foodstuff insects
The foodstuff insect is gray tea geometrid or tea geometrid, and the raising steps are as follows: after the green stink bugs lay eggs for 3 days, taking the frozen eggs of the inchworm out of the refrigerator and breeding in an artificial climate chamber; the newly hatched larvae are fed according to a conventional method, the larvae are moved into a special feeding device for feeding after 2 days, and when the larvae enter a prepupa stage, the prepupa is collected and put into a biological incubator for feeding; repeating the above steps by taking a batch of refrigerated eggs every 3-5 days;
2) Raising, spawning and nymph of green orius
Half a day after the nymphs of the green orius similis emerge into adults, breeding the adults in a matched mode according to a male-female mode 1;
after the imagoes lay eggs, taking out the leaves or tea shoots with the imagoes, putting the leaves or tea shoots into a feeding container for preserving moisture and placing, and continuously feeding the imagoes until the imagoes are completely dead and taking out the imagoes;
after eggs are hatched, putting young tea shoots firstly, transferring nymphs into a breeding container after the nymphs gather on the leaves, putting 3-4 fresh tea shoots in each breeding container, and putting a small amount of larvae of 1-year inchworm; after 2 years, the nymphs are transferred into a special breeding appliance for breeding, and the number ratio of the inchworm larvae to the stinkbug nymphs is not lower than 1;
3) Overwintering breeding of orius virens
Putting adult worms in a raising container in a concentrated manner in the winter period at the end of autumn, putting a small amount of overwintering inchworm pupae and a small amount of old tea tree leaves, and putting at a low temperature;
the special feeding device comprises a water storage tank (1), a partition plate (2) arranged above the water storage tank and a cover cage (3) placed on the partition plate (2), wherein a bottom plate is arranged below the cover cage (3), through holes (4) are formed in the positions, corresponding to the bottom plate and the partition plate (2), of the bottom plate, tea branches (5) are inserted into the through holes (4), and gaps between the tea branches (5) and the through holes (4) are sealed by cotton.
2. The artificial feeding method of green dotted orius bugs according to claim 1, wherein the diameter of the through holes (4) is 4-5cm, and the number of holes is 2-3/1350 cm 2 The covering cage gauze is nylon yarn of 40-60 meshes, and the height of the water storage tank is not lower than 15cm.
3. The artificial feeding method of green spot benefit stinkbug as claimed in claim 1, wherein in step 1), the artificial climate chamber feeding condition is constant temperature feeding at 25-27 ℃, RH is 70-75%, and photoperiod is 12L: 12D; the feeding conditions in the pupa pre-stage are constant temperature feeding at 18-20 ℃, RH is 70-75%, and the photoperiod is 12D.
4. The artificial feeding method of green orius stinus bugs according to claim 1, wherein in the step 2), the feeding conditions are that the orius stinus bugs are fed at room temperature of 23-28 ℃, the RH is about 70-75%, and the photoperiod is 14L: 10D; the breeding container is a culture dish with the diameter of 15cm or a 500mL glass insect breeding bottle, and the insect breeding bottle is sealed by a rubber band which is bound by white paper.
5. The artificial feeding method of orius cloaca according to claim 1, wherein in the step 2), 2-3 egg blocks are placed in each feeding container, a plurality of old leaves are placed at the same time for moisturizing, the initially hatched nymphs are controlled in 100-150 heads in each feeding container, and 30-50 heads of 1-age inchworm are inoculated; the feeding amount of 2-4-year nymph is controlled at 50-100 heads/0.07 m 3 Feeding 1-3 instar inchworm larvae, and controlling feeding amount of 5 instar nymphs at 30-50/0.07 m 3 Feeding with 4-5 instar inchworm larvae, wherein the number ratio of the inchworm larvae to the stinkbug nymphs is 1-4:1.
6. The artificial feeding method of green spotted maigre as claimed in claim 1, wherein in step 3), the adults before wintering are gathered in feeding containers, each feeding container is provided with 20-30 heads of adults, 10 heads of inchworm pupae and 3-4 old tea leaves, the feeding conditions in the wintering period are 10-15 ℃, RH is about 65-70%, and the photoperiod is 10L:14D.
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