CN111328770A - Indoor large-scale breeding method for nakayata nakamura - Google Patents

Abstract

The invention relates to the field of insect breeding, and specifically discloses an indoor large-scale breeding method of L. long-tailed wasp, comprising the following steps: placing the emerging L. long-tailed wasp in a beekeeping cage for rearing; The inoculation box of the old tangerine fruit fly larvae and the larval feed is put into the beekeeping cage for inoculation; the tangerine fruit fly larvae in the replaced inoculation box will continue to be raised, and when the larvae develop to 7 days of age, move to the pupation box The larvae are allowed to pupate in the middle, and the remaining pupas that do not emerge from the pupation are collected on the 10th to 14th day, and are the parasitic pupa; the parasitic pupa is placed in the beekeeping cage, to the eclosion of L. long-tailed cocoon, that is, the cocoon of L. long-tailed bee. The indoor large-scale breeding method of L. long-tailed wasp of the invention is simple and easy to operate, can be operated indoors, can breed L. long-tailed wasp on a large scale, realizes the uninterrupted reproduction of the wasp all year round, and can be planted on melons and fruits The area provides a large number of insect sources for the control of fruit flies that harm melon and fruit crops.

Description

An indoor large-scale breeding method of Liriomyza longiformis

technical field

The invention belongs to the field of insect breeding, and in particular relates to an indoor large-scale breeding method of Liriomyza longiformis.

Background technique

The fruit fly is an important pest of melon and fruit plants distributed worldwide. It can feed on more than 300 kinds of cultivated fruit and vegetable crops and wild plants. The fruit fly has the characteristics of wide host, fast spread, hidden damage and overlapping generations , causing huge harm and economic losses to agricultural production and agricultural trade. At present, the control of B. citrifolia mainly relies on the application of a large number of chemical pesticides. The long-term use of chemical pesticides will lead to major problems such as increased drug resistance of B. citrifolia, increased pesticide residues in fruits and vegetables, and increasingly serious environmental pollution. Biological control is an economical, safe, sustainable and effective method to control the fruit fly. Parasitic wasps are important natural enemy groups of fruit fly pests and occupy an important position in the biological control of pests. Long-tailed Braconid, belonging to Hymenoptera, Braconidae, Braconidae subfamily, Braconidae, also known as Long-tailed Braconid An important parasitic natural enemy of the insects. Liriomyza longiformis can parasitize a variety of fruit flies of economic importance, such as fruit flies of tangerine fruit fly, fruit fly oil, olive fruit fly, etc. Liriomyza longiformis parasitic on fruit fly larvae, by laying eggs in In fruit fly larvae, the eggs live in the host after hatching, destroying the life history of the host and eventually leading to the death of the host. In Latin America and the southern United States, L. long-tailed wasps have been widely used in the biological control of fruit flies, and to solve the problem of indoor propagation of L. long-tailed wasps is the realization of the use of L. long-tailed wasps in the field. key link in biological control. It is of great significance to realize the indoor large-scale breeding of L. long-tailed wasps for the effective use of L. long-tailed wasps for pest biological control.

SUMMARY OF THE INVENTION

The object of the present invention is to provide an indoor large-scale breeding method of Liriomyza longiformis, which overcomes the deficiencies of the prior art.

In order to achieve the above object, the present invention provides a kind of indoor large-scale breeding method of L. long-tailed wasp, comprising the following steps:

(1) the eclosion was placed in a beekeeping cage to raise, and the top of the beekeeping cage is hung with a feeding device, and 15% honey water is respectively housed in the feeding device, and it is for subsequent use after raising 3 days;

(2) Put the 2-3 day old fruit fly larvae and larval feed into the inoculation box, put the inoculation box into the beekeeping cage in step (1) for inoculation, and replace the new inoculation box after 12 to 18 hours , a total of 3 to 4 times of replacement;

(3) Put the juvenile fruit fly larvae and larval feed in the replaced inoculation box into the feeding tray, add feed and continue to raise, when the larvae develop to 7 days of age, the feeding tray is moved to the bottom covered with wet sand layer. In the pupation box, the larvae are pupated, and the 10-14 days of pupation are screened to collect the remaining unemerged pupae, which are parasitic pupae;

(4) the parasitic pupa of step (3) is placed in the plastic dish that the bottom is covered with wet sand, a deck of wet sand is spread on the described parasitic pupa, the plastic dish is displaced in the beekeeping cage, to the long tail Liriomyia spp. emerges, that is, the long-tailed Liriomys spp.

Preferably, in the above method, in the step (1), the ratio of the number of males and females of Liriomyza longiformis is 1:1-2; the temperature in the beekeeping cage is 26±1°C, and the humidity is 60-70°C %, the light cycle is 14 hours of light and 10 hours of darkness.

Preferably, in the above method, in the step (2), the ratio of the number of L. long-tailed Brassica and B. tangerines larvae is 1:20 to 30 during inoculation; the inoculation box includes a box body and a box cover, and the top of the cover body is It is composed of 50-60 mesh gauze, the height of the box body is 5-7mm, and the thickness of the feed in the inoculation box is 4-7mm. If the mesh size is too small, the larvae will escape, and if the mesh size is too large, L. long-tailed wasps cannot pierce and parasitize. B. tangerines larvae have negative phototaxis, and they all feed at the bottom of the feed. When the thickness of the feed is too thick, the farther the larvae are from the surface of the feed, it is difficult for L. long-tailed Braconia to lay eggs and parasitize on it.

Preferably, in the above method, in the steps (3) and (4), the wet sand is sterilized fine sand, and the moisture content of the wet sand is 10-15%.

Preferably, in the above method, the feeding device includes a barrel body, the feeding device includes a barrel body, a barrel cover is provided on the top of the barrel body, and a through hole is provided on the barrel cover, and the through hole is A detachable sponge bar is provided, one end of the sponge bar extends to the bottom of the barrel body, and the other end protrudes out from the through hole; one end of the suspension rod is connected to the barrel cover, and the other end is provided with a hook.

Preferably, in the above method, the inoculation box, the feed tray, the pupation box and the plastic tray are integrated into an inoculation and pupation device, and the inoculation and pupation device includes a box body, a box cover, a circular feed tray, a vertical connection poles, brackets and drawer bottom brackets, the top of the box is open;

The box cover is detachably covered on the top opening, a cover hole is opened on the box cover, a gauze is arranged on the cover hole, an upward convex ring is arranged around the cover hole, the An annular groove with an opening facing downward is provided in the convex ring; the bottom surface of the box cover is provided with a catch, two catches are evenly distributed on the circumference of the cover hole, and the catch faces the cover There is a slot on one side of the hole;

The size of the circular feed pan matches the annular groove, and two clamping blocks are symmetrically arranged on the outer side, the thickness of the clamping blocks is adapted to the clamping groove, and can be matched and inserted into the clamping groove;

One end of the vertical link is fixed on the inner bottom surface of the circular feed pan, and the other end extends outward through the gauze;

The brackets are arranged on both sides of the middle part of the box, and are used for placing the circular feed pan;

The drawer-type bottom support is arranged at the bottom of the box body, and the sterilized wet fine sand is laid in the bottom support.

Preferably, in the above-mentioned inoculation and pupation device, the mesh number of the gauze is 50-60 meshes.

Compared with the prior art, the present invention has the following beneficial effects:

1. The indoor large-scale breeding method of L. long-tailed wasp in the present invention is simple and easy to do, can be operated indoors, can breed L. long-tailed wasp on a large scale, realizes the year-round uninterrupted reproduction of this wasp, not only can To meet the needs of experimental research, it can also provide a large number of insect sources to the melon and fruit planting areas to prevent fruit flies from harming melon and fruit crops.

2. In the breeding method of the present invention, the inoculation parasitic time is controlled during inoculation, so as to avoid the low parasitic rate caused by the parasitic time being too short or cause a low bee out rate without too much selectivity, thereby improving the L. long-tailed wasp's growth rate. parasitic rate.

3. The inoculation and pupation device in the present invention integrates inoculation, subsequent feeding and pupation, reduces the operation steps, and makes the operation more convenient, the whole process does not need to transfer larvae and pupae, and can prevent the larvae from escaping and the transfer process to the larvae and pupae. Inflict damage; increase the parasitism rate and eclosion rate of L. long-tailed wasps, and speed up the breeding of L. long-tailed wasps.

Description of drawings

Fig. 1 is the structure diagram of the device for inoculation and pupation in Example 2 of the present invention.

2 is a sectional view of the inoculation and pupation device in Example 2 of the present invention.

Description of main reference signs:

1- Box body, 2- Box cover, 3- Round feed pan, 4- Vertical link, 5- Bracket, 6- Drawer bottom bracket, 7- Cover hole, 8- Screen mesh, 9- Raised ring, 10-card seat, 11-card slot, 12-card block, 13-ring groove, 14-ring.

Detailed ways

The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

Example 1

An indoor large-scale breeding method of Liriomyza longiformis, comprising the following steps:

(1) The eclosion was placed in a bee-keeping cage, and the density of the L. long-tailed wasp in the beekeeping cage was 10,000/m3, and the male and female L. The ratio of quantity is 1:1. There is a feeding device hanging on the top of the beekeeping cage. The feeding device is filled with 15% honey water, which is used to supplement nutrients and water for L. long-tailed cocoon. The temperature in the beekeeping cage is 26%. ±1°C, humidity of 65%, light cycle of 14 hours of light and 10 hours of darkness, and kept for 4 days after rearing;

(2) Put the 3-day-old orange fruit fly larvae and the larval feed into the inoculation box. The inoculation box includes a box body and a box cover. The top of the cover body is composed of 60 mesh gauze. The height of the box body is 6 mm. The thickness of the inner feed is 6 mm, the inoculation box is put into the beekeeping cage in step (1) for inoculation, the L. long-tailed wasp is punctured and parasitized through the gauze mesh, and the inoculation box is taken out after 12 hours; 3 days after eclosion is the peak egg-laying period, and new inoculation boxes are put in every day for a total of 3 replacements; the ratio of the number of larvae of L. long-tailed wasp to B. citricarpa is 1:30 during inoculation;

(3) Put the B. tangerineum larvae and larval feed in the taken out inoculation box into the feeding tray, add a certain amount of feed according to the number of larvae and continue to raise B. tangerineum larvae, when the larvae develop to 7 days of age, the feeding The plate is moved to the pupation box that is covered with wet sand layer at the bottom to make the larvae pupate, and the pupae that are left unemerged are collected by sieving on the 10th to 14th day of pupation, which are the parasitic pupae; the wet sand is the fine sand that has been disinfected and sterilized. , the moisture content of wet sand is 15%;

(4) the parasitic pupa of step (3) is placed in the plastic dish that the bottom is covered with wet sand, a layer of wet sand is spread on the parasitic pupae, the plastic dish is moved in the beekeeping cage, to the long-tailed Liriomys praecox Emergence, that is, the long-tailed Liriomyza sativae.

The feeding device includes a bucket body, a bucket cover, a sponge stick and a boom, and the inside of the bucket body is filled with 15% honey water. The top of the barrel body is provided with a barrel cover, and the barrel cover is detachably connected to the barrel body through threads. The barrel cover is provided with a through hole, a detachable sponge bar is arranged in the through hole, one end of the sponge bar extends to the bottom of the barrel body, and the other end extends outward from the through hole. One end of the boom is fixedly connected to the barrel cover, and the other end is provided with a hook. The feeding device is hung on the top of the beekeeping cage through the hook, and the sponge stick absorbs the honey water from the bucket to the exposed upper end of the sponge stick for the long-tailed L. long-tailed cocoon to eat, which can effectively prevent impurities from entering the honey water and deteriorate in a short time. , reduce the frequency of replacement.

Example 2

As shown in Figures 1 and 2, an inoculation and pupation device includes a box body 1, a box cover 2, a circular feed tray 3, a vertical connecting rod 4, a bracket 5, a drawer-type bottom bracket 6, a cover hole 7, The gauze 8 , the convex ring 9 , the clip seat 10 , the clip slot 11 , the clip block 12 , the annular slot 13 and the collar 14 . The top of the box body 1 is open, the box cover 2 is covered on the top opening of the box body 1, the cover hole 7 is opened on the box cover 2, and the cover hole 7 is covered with a gauze 8, which is conducive to ventilation, the gauze is 60 mesh, and the gauze The middle part is fixedly provided with a collar. An upward convex ring 9 is provided around the cover hole 7 , and a circular groove 13 with an opening facing downward is provided in the convex ring 9 . Two card holders 10 are fixedly arranged on the bottom surface of the box cover 2 , and the two card holders 10 are evenly distributed on the circumference of the cover hole 7 . The size of the circular feed pan 3 matches the annular groove 13 , and the side wall of the circular feed pan 3 can be snapped into the annular groove 13 . The two clamping blocks 12 are fixedly arranged in the middle of the outer side surface of the circular feed pan 3 , and the positions are symmetrical. One end of the vertical link 4 is fixed in the middle of the inner bottom surface of the circular feed pan 3 , and the other end extends outward through the collar 14 , and the vertical link 4 can slide freely on the collar 14 . The brackets 5 are fixedly arranged on two opposite sides of the box, and are used for placing the circular feed pan 3 . The drawer-type bottom bracket 6 is arranged at the inner bottom of the box body 1 , and an opening is opened in the lower part of the front side of the box body 1 for putting in and out of the drawer-type bottom bracket 6 . Disinfected and sterilized wet sand is laid in the drawer-type bottom bracket 6, and the moisture content of the wet sand is 15%.

When inoculating, remove the box cover 2, put the larvae and larvae feed into the circular feed pan 3, cover the box cover 2, and pull the vertical link 4 upward to drive the circular feed pan 3 upward, and the circular feed pan 3 is circular. The upper part of the feed pan 3 is snapped into the annular groove 13, the vertical connecting rod 4 is rotated, the block 12 is snapped into the snap slot 11, the circular feed pan 3 is fixed, and the lower part of the circular feed pan 3 and the gauze form an inoculation box For inoculation, the larvae and larvae feed are limited to the lower part of the circular feed plate 3 to prevent the larvae from bouncing and facilitate the parasitism of Liriomyza longiformis; after the inoculation is completed, rotate the vertical connecting rod 4 to block the block 12 Turn out from the card slot 11, push down the vertical link 4 until the circular feed tray 3 is placed on the bracket 5, open the box cover and add a certain amount of feed to continue raising the larvae. The larvae develop into mature larvae, and the mature larvae bounce into the wet sand of the drawer-type bottom support to pupate, and the non-parasitic pupae emerge and climb out of the wet sand after 8-10 days of pupation. The unemerged pupae are parasitic pupae. The bottom of the support is pulled out from the bottom of the box and placed in the beekeeping cage until the L. long-tailed cocoon emerges.

The inoculation and pupation device provides a good environment for inoculation, pupation, etc. It integrates inoculation, subsequent feeding and pupation, reduces the operation steps, and makes the operation easier. The whole process does not need to transfer larvae and pupae, which can prevent the larvae from escaping and in The transfer process causes damage to the larvae and pupae; the pupal stage of the parasitic pupae is the period of the formation of various organs and systems of L. long-tailed wasps, which are extremely susceptible to mechanical damage. The inoculation pupation device avoids the process of screening the parasitic pupae and effectively protects the parasitic The pupa can improve the parasitism rate and eclosion rate of L. long-tailed wasp, and speed up the reproduction efficiency of L. long-tailed wasp.

The present embodiment provides an indoor large-scale breeding method of L. long-tailed Braconite, comprising the following steps:

(1) The emerging L. long-tailed wasp was raised in a beekeeping cage, and the density of the long-tailed L. long-tailed wasp in the beekeeping cage was 10,000/m3, and the female and male L. long-tailed wasp were The ratio of quantity is 1:1. There is a feeding device hanging on the top of the beekeeping cage. The feeding device is filled with 15% honey water, which is used to supplement nutrients and water for L. long-tailed cocoon. The temperature in the beekeeping cage is 26%. ±1°C, humidity of 65%, light cycle of 14 hours of light and 10 hours of darkness, and kept for 4 days after rearing;

(2) put 3-day-old orange fruit fly larvae and larval feed into the circular feed tray of the inoculation pupation device, the feed thickness is 5mm, and the upper part of the circular feed tray is stuck in the annular groove by pulling the vertical connecting rod, The lower part of the circular feed tray and the gauze form an inoculation box, the height of the lower part of the circular feed tray is 6mm, the inoculation pupation device is put into the beekeeping cage in step (1) for inoculation, and the inoculation pupation is taken out after 12h The device, 3 days after eclosion is the peak egg-laying period of L. long-tailed wasp, and a new inoculation and pupation device was put in every day, and replaced 3 times; 1:30;

(3) push the circular feed plate in the inoculated pupation device taken out to the support, open the box cover and add an appropriate amount of larvae feed, continue to raise larvae in the inoculated pupation device, and the larvae are mature when they develop to 7 days of age Larvae, mature larvae bounce into the wet sand of the drawer-type support bottom to pupate, 10 to 14 days after pupation, the unparasitic pupae begin to emerge into adults of B. tangerines, climb out of the wet sand, and clean the inoculated pupation device. Fruit fly adults, the pupa that does not emerge in the wet sand of the drawer-type support bottom is the parasitic pupa, and the drawer-type support bottom is taken out;

(4) The drawer-type support bottom of step (3) is transferred into the beekeeping cage, until the L. long-tailed wasp emerges, that is, the long-tailed L. long-tailed wasp is obtained.

Example 3

An indoor large-scale breeding method of Liriomyza longiformis, comprising the following steps:

(1) The emerging L. long-tailed wasp was raised in a beekeeping cage, and the density of the long-tailed L. long-tailed wasp in the beekeeping cage was 10,000/m3, and the male and female L. long-tailed wasp were The ratio of quantity is 1:2. There is a feeding device hanging on the top of the beekeeping cage. The feeding device is filled with 15% honey water, which is used to supplement nutrients and water for L. long-tailed cocoon. The temperature in the beekeeping cage is 26%. ±1°C, humidity of 70%, light cycle of 14 hours of light and 10 hours of darkness, and kept for 4 days after rearing;

(2) Put the 2-day-old tangerine fruit fly larvae and the larval feed into the inoculation box. The inoculation box includes a box body and a box cover. The top of the cover body is composed of 60 mesh gauze. The height of the box body is 6 mm. The thickness of the inner feed is 6 mm, and the inoculation box is put into the beekeeping cage in step (1) for inoculation. During the inoculation, the ratio of the quantity of L. long-tailed cocoon to the larvae of B. citricarpa is 1:20, and the cocoon of L. long-tailed cocoon is 1:20. The bees puncture and parasitize through the mesh holes, and take out the inoculation box after 18 hours; put them in a new inoculation box, and 3 days after eclosion is the peak egg laying period of L. long-tailed wasps, and a new inoculation box can be placed every day for a total of 3 replacements. Second-rate;

(3) Put the B. tangerineum larvae and larval feed in the taken out inoculation box into the feeding tray, add a certain amount of feed according to the number of larvae and continue to raise B. tangerineum larvae, when the larvae develop to 7 days of age, the feeding The plate is moved to the pupation box that is covered with wet sand layer at the bottom to make the larvae pupate, and after 10 to 14 days of pupation, the remaining unemerged pupae are collected by sieving, which is the parasitic pupae; the wet sand is the fine sand that has been disinfected and sterilized. , the moisture content of wet sand is 15%;

(4) the parasitic pupa of step (3) is placed in the plastic dish that the bottom is covered with wet sand, a layer of wet sand is spread on the parasitic pupae, the plastic dish is moved in the beekeeping cage, to the long-tailed Liriomys praecox Emergence, that is, the long-tailed Liriomyza sativae.

indoor breeding test

1. Materials

The source of the tested insects: the host insect source is the larvae of B. citricarpa, which are reared in large quantities indoors; the L. long-tailed Braconid, which breeds indoors to establish a stable experimental population.

Test method: Example 1 group, Example 2 group, Example 3 group, Comparative group 1 and Comparative group 2 were set up respectively, Example 1 group, Example 2 group and Example 3 group respectively adopted Example 1 and Example 2 and the methods provided in Example 3 carry out the breeding of Liriomyza longiformis; Contrast group 1 adopts 1-day-old B. tangerineum larvae as the host insect source, and other parameters and method steps are the same as in Example 1; Contrast 2 groups of inoculations The time is 24h, and other parameters and method steps are the same as in Example 1. The parasitism rate and eclosion rate of L. longtail was observed in each group.

Table 1 Parasitism rate and emergence rate of L. long-tailed Braconite

group Parasitic rate % Feather rate % Example 1 group 83.4 88.3 Example 2 group 86.2 92.1 Example 3 groups 79.5 87.5 Compare 1 group 29.1 66.4 Compare 2 groups 84.0 57.9

It can be seen from Table 1 that the 1-day-old larvae can be parasitized, but the parasitic rate is significantly lower than that of the 2-3-day-old larvae, and the emergence rate is also significantly lower. The 24h parasitic time of L. long-tailed wasps had a significantly lower emergence rate. If the parasitization time was too long, over-parasitic phenomenon would occur, which reduced the emergence rate of L. long-tailed wasps. The results show that the present invention provides an indoor large-scale breeding method of L. long-tailed wasp, effectively improves the parasitic rate and eclosion rate of L. long-tailed wasp, and enables large-scale breeding of L. long-tailed wasp.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. These descriptions are not intended to limit the invention to the precise form disclosed, and obviously many changes and modifications are possible in light of the above teachings. The exemplary embodiments were chosen and described for the purpose of explaining certain principles of the invention and their practical applications, to thereby enable one skilled in the art to make and utilize various exemplary embodiments and various different aspects of the invention. Choose and change. The scope of the invention is intended to be defined by the claims and their equivalents.

Claims (7)

1. An indoor large-scale breeding method of the nakaea longissima is characterized by comprising the following steps:

(1) feeding eclosion pronil braconid bees in a bee cage, wherein a feeding device is hung at the top of the bee cage, 15% of honey water is filled in the feeding devices respectively, and the feeding devices are used for 3 days;

(2) putting 2-3 days old bactrocera dorsalis larvae and larva feed into an inoculation box, putting the inoculation box into the bee-keeping cage in the step (1) for inoculation, and replacing the new inoculation box after 12-18 hours for 3-4 times;

(3) putting the larvae of the bactrocera dorsalis and the larva feed in the replaced inoculation box into a feeding tray, adding the feed to continue feeding, moving the feeding tray to a pupation box with a wet sand layer paved at the bottom to pupate the larvae when the larvae grow to 7 days old, and screening and collecting the remaining pupae which are not feathered after 10-14 days of pupation, namely the parasitic pupae;

(4) and (3) placing the parasitic pupae in the step (3) in a plastic disc with wet sand spread at the bottom, spreading a layer of wet sand on the parasitic pupae, moving the plastic disc into a bee-keeping cage until the telangiecta braconid wasp emerges, and obtaining the telangiecta braconid wasp.

2. The indoor large-scale breeding method of the Cereus longissimus of claim 1, wherein in the step (1), the number ratio of drone to female of the Cereus longissimus is 1: 1-2; the temperature in the beekeeping cage is 26 +/-1 ℃, the humidity is 60-70%, and the illumination period is 14 hours of illumination and 10 hours of darkness.

3. The indoor large-scale breeding method of the Cercospora longissima cocoon bee according to claim 1, characterized in that in the step (2), the number ratio of the Cercospora longissima cocoon bee inoculated to the Cercospora citricola larvae is 1: 20-30; the inoculation box comprises a box body and a box cover, the top of the cover body is composed of a 50-60-mesh gauze, the height of the box body is 5-7 mm, and the thickness of feed in the inoculation box is 5-7 mm.

4. The indoor large-scale breeding method of the Scleroderma longirostris according to claim 1, wherein in the steps (3) and (4), the wet sand is sterilized fine sand, and the water content of the wet sand is 10-15%.

5. The indoor large-scale breeding method of the braconidae fusca as claimed in claim 1, wherein the feeding device comprises a barrel body, a barrel cover is arranged at the top of the barrel body, a through hole is formed in the barrel cover, a detachable sponge rod is arranged in the through hole, one end of the sponge rod extends to the bottom of the barrel body, and the other end of the sponge rod extends out of the through hole; one end of the hanging rod is connected with the barrel cover, and the other end of the hanging rod is provided with a hanging hook.

6. The indoor large-scale breeding method of the Cercospora longissima cocoon bee as claimed in claim 1, wherein the inoculation box, the feed tray, the pupation box and the plastic tray are integrated into an inoculation and pupation device, the inoculation and pupation device comprises a box body, a box cover, a circular feed tray, a vertical connecting rod, a bracket and a drawer type bottom support, and the top of the box body is open;

the box cover covers the top opening in a detachable mode, a cover hole is formed in the box cover, a gauze is arranged on the cover hole, a lantern ring is fixedly arranged in the middle of the gauze, a circle of upward convex ring is arranged on the periphery of the cover hole, and a circle of annular groove with a downward opening is formed in the convex ring; clamping seats are arranged on the bottom surface of the box cover, the two clamping seats are uniformly distributed on the periphery of the cover hole, and clamping grooves are formed in one sides, facing the cover hole, of the clamping seats;

the size of the circular feed tray is matched with that of the annular groove, two clamping blocks are symmetrically arranged on the outer side surface, the thickness of each clamping block is matched with that of the clamping groove, and the clamping blocks can be clamped into the clamping grooves in a matched mode;

one end of the vertical connecting rod is fixed on the inner bottom surface of the circular feed plate, and the other end of the vertical connecting rod penetrates through the gauze sleeve ring and extends outwards;

the bracket is arranged on two sides of the middle part in the box body and is used for placing the round feed plate;

the drawer type bottom support is arranged at the bottom in the box body, and wet and fine sand for disinfection and sterilization is paved in the bottom support.

7. The indoor large-scale breeding method of the Scleroderma longirostris according to claim 6, wherein the mesh number of the gauze is 50-60 meshes.

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